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ようかすいそ

Hydrogen iodide

HCID 24841
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基本情報概要名称と識別子物性安全と法規制化学と産業関連反応化合物ノート
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基本情報

CAS
10034-85-2
標準SMILES
I
InChIKey
XMBWDFGMSWQBCA-UHFFFAOYSA-N
分子式
HI
平均分子量
127.9124 g/mol
単同位体質量
127.9123

概要

Hydriodic acid appears as a colorless to yellow liquid with a pungent odor. Consists of a solution of hydrogen iodide in water. Fumes irritate the eyes and mucous membranes. Corrosive to metals and to tissue.

名称と識別子

優先名称
Hydrogen iodide
IUPAC
iodane
現地名
ようかすいそ
英語名
Hydriodic acid
分子式
HI
分子量
127.91

名称と別名

Hydriodic acidHYDROGEN IODIDEHydroiodic acid10034-85-2iodaneHyriodic acidAcido yodhidricoAcide iodhydriqueHydrogen iodide (HI)Anhydrous hydriodic acidHydrogen iodide, anhydrousIodure d'hydrogene anhydre
名称をさらに表示
よう化水素酸 (57%) [一般有機合成用]よう化水素酸塩ヒドリドよう素よう化水素酸よう化水素よう化水素酸 (57%)よう化水素酸 55~58%ようかすいそHydroiodic Acid 55% to 57% SolutionHydriodic acid, 57 wt.% solution in H2OHydriodic55-57 wt.%caswellno482cHydrideiodinehydrogen Hydrogeniodid
Yoduro de hidrogeno anhidro694C0EFT9QCHEBI:43451EPA Pesticide Chemical Code 046912DTXSID2044349RefChem:789094DTXCID0024349233-109-9

データベース識別子

CAS
10034-85-2、14362-44-8、17144-19-3
PubChem CID
24841
DTXSID
DTXSID2044349
ChEMBL
CHEMBL1233550
ChEBI
CHEBI:24859
UNII
5D3DB66WM3、694C0EFT9Q
EC Number
233-109-9
Nikkaji
J1.900.581J、J95.185D

物性

構造計算による物性

XLogP
0.9
極性表面積
0 Ų
水素結合供与体数
1
水素結合受容体数
0
回転可能結合数
0
重原子数
1
形式電荷
0
複雑度
0

実験および物理化学的性質

Chemical Classes · 2 件

Toxic Gases & Vapors -> Acids, Inorganic

Corrosives

SpringerMaterials Propertiesphonon wavenumber
OdorAcrid
Density · 3 件

5.66 g/L at 0 °C; 5.23 g/L at 25 °C

A solution of hydrogen iodide in water; marketed in various concentrations; 57% HI density: 1.7; 47% HI, density: 1.5; 10% HI, density: 1.1; colorless when freshly made, but rapidly turns yellowish or brown on exposure to light and air; miscible with water and alcohol; dissolves iodine; the azeotrope (56.9% HI) boils at 127 °C; density: 1.70; strong, corrosive acid; attacks natural rubber; 0.10 molar solution: pH 1.0 /Hydriodic acid/

5.66 @25 °C

Color/FormColorless gas; fumes in moist air
Solubility · 2 件

Extremely soluble in water; 234 g/100 g water at 10 °C; 900 g/100 g water at 0 °C

Solubility in water, g/100ml at 20 °C: 42 (freely soluble)

Boiling Point · 4 件

-35.1 °C at 760 mm Hg

Boiling point: -18.9 °C at 2 atm; 7.3 °C at 5 atm; 32.0 at 10 atm; 127.5 °C at 60 atm; decomposed by light; specific heat: 0.0545 cal/ g °C at 25 °C; forms an azeotrope with water /Hydrogen iodide/

-35.5 °C

安全と法規制

安全情報は参考情報です。供給元の安全データシート(SDS)、適用法令、専門家による評価に代わるものではありません。

GHS分類

GHS Classification · 6 件

Danger

H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)

Danger

H280 (46.8%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]

P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P403+P233, P405, P410+P403, and P501 (click each P-code to see the statement)

危険有害性情報

Hazards IdentificationToxic/poison by inhalation (TIH/PIH)
Regulatory Information · 6 件

Chemical: Hydriodic acid

List I Chemical: A chemical specified by regulation that, in addition to legitimate uses, is used in manufacturing a controlled substance in violation of the Act and is important to the manufacture of a controlled substance. (21 eCFR 1310.02)

Hydriodic acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Hydriodic acid are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

REACH registered substance: Hydrogen iodide (EC: 233-109-9)

Hydriodic acid: Does not have an individual approval but may be used under an appropriate group standard

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

Other Safety InformationIMAP assessments - Hydriodic acid: Environment tier I assessment
DOT Label · 2 件

Corrosive

Poison Gas Corrosive

化学と産業

薬理情報

Mechanism of Action... Believed to act reflexly by irritating the gastric mucosa, which in turn, stimulates resp tract secretion. /Hydriodic acid syrup/
Absorption, Distribution and ExcretionThe iodide ion is excreted in part by the bronchial glands. ... /Hydriodic acid syrup/

用途と製造

Uses · 6 件

Used as a reducing agent and in laboratory analysis; Used to produce pharmaceuticals, disinfectants, and other chemicals; [HSDB]

For hydriodic acid (USEPA/OPP Pesticide Code: 46912) there are 0 label matches. /SRP: Not registered for current use in the U.S., but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses./

Reducing agent, manufacture of inorganic iodides, pharmaceuticals, disinfectants. The 57% acid is also used for analytical purposes, such as methoxyl determinations. /Hydriodic acid/

FORMERLY USED FOR ITS EXPECTORANT ACTION IN CHRONIC BRONCHITIS & BRONCHIAL ASTHMA TO LIQUEFY THICK, TENACIOUS SPUTUM. /HYDRIODIC ACID, SYRUP/

Preparation of iodine salts, organic preparations, analytical reagent, disinfectant, and pharmaceuticals. /Hydriodic acid/

For more Uses (Complete) data for HYDROGEN IODIDE (6 total), please visit the HSDB record page.

U.S. Production · 3 件

2023: 550,000 - <700,000 lb

(1972) GREATER THAN 4.54X10+5 G

(1975) GREATER THAN 4.54X10+5 G

Consumer UsesOther
Industry UsesLaboratory chemicals
Methods of Manufacturing · 5 件

Prepared by absorption of hydrogen iodide gas in water or by the action of iodine on hydrogen sulfide. /Hydriodic acid/

Prepared by catalytic reaction of iodine and hydrogen or concentrated hydriodic acid solutions with phosphorous pentoxide. /Hydrogen iodide gas/

関連反応

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HRID 27588 の反応式
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HRID 32602 の反応式
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1 / 245 ページ

化合物ノート

読み込み中…

このページの内容基本情報概要名称と識別子物性安全と法規制化学と産業関連反応化合物ノート
その他の操作
ノートを作成反応を作成見積依頼を出す

-35.38 °C @760 [mm Hg]

Decomposition · 2 件

WHEN HEATED TO DECOMPOSITION, IT EMITS HIGHLY TOXIC FUMES OF /HYDROGEN IODIDE/.

/IF/ ... DECOMP IN SIMPLE AQUEOUS SOLN ... FREE IODINE ... LIBERATED.

Melting Point · 3 件

-50.8 °C

-50.8 °C

-50.8 °C

Vapor Density · 2 件

4.4 (Air = 1)

Relative vapor density (air = 1): 4.4

Vapor Pressure · 3 件

5,938 mm Hg at 25 °C

Vapor pressure, kPa at 20 °C: 733

5940 [mm Hg] @25 °C

Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR

物理化学的性質

融点
-50.8 ° · -50.8°
沸点
127 °C · 127 °C(lit.)
比重(密度)
1.96 g/mL · 1.96 g/mL at 20 °C
蒸気圧
721.8 kPa · 721.8kPa at 20℃
闪点
126 · 126-127°C
貯蔵温度
2 · 2-8°C
溶解性
2 O; · very soluble in H2O; soluble in organic solvents
外見
無色または黄色のガス
酸解離定数(Pka)
-10 · -10(at 25℃)
色
無色~褐色
臭い (Odor)
刺激臭
PH
3.01 · 3.01(1 mM solution);2.04(10 mM solution);1.08(100 mM solution)
水溶解度
溶ける
比熱容量
0.23 J/ · Cp(gas): 0.23 J/(g·K), at 25℃
Merck
14 · 14,4776
Henry's Law Constant
2.5 · 2.5×10-1 mol/(m3Pa) at 25℃, Ordóñ (2012)
Dielectric constant
3.4 · 3.4(-50℃)
安定性
安定。 塩基およびアミンとは相容れない。 腐食性の鋼。 空気や光にさらされると、変色することがあります。
InChI
1S/HI/h1H
InChIKey
XMBWDFGMSWQBCA-UHFFFAOYSA-N
SMILES
I
CAS データベース
10034 · 10034-85-2(CAS DataBase Reference)
NISTの化学物質情報
Hydrogen iodide(10034-85-2)
EPAの化学物質情報
Hydriodic acid (10034-85-2)
化学的性質 · 3 件

化学的特性ヒドロヨウ酸化学式ではH3IO2と表されるは特異な化学物質でありその性質と用途は科学や工業の多岐にわたる分野で注目されていますこの化合物は水溶性であり特定の条件下でヨウ素と水酸化物イオンOH–から生成されますヒドロヨウ酸は酸化数1のヨウ素を含んでおりヨウ素の化合物の中では比較的珍しい例の一つです

化学的特性Hydrogen iodide is a colourless to yellow/brown with an acrid odour non-flammable gas. Hydrogen iodide is incompatible with water and other halides. Hydrogen iodide, upon contact with moisture in air, releases dense vapours. Hydrogen iodide reacts with water to form corrosive acids and reacts violently with alkalis. Most metals corrode rapidly on contact with wet hydrogen iodide, and prolonged exposure of hydrogen iodide to fire or intense heat has been reported to cause the container to rupture and rocket.

化学性质色で刺激臭の気体,融点?50.77℃,沸点?35.55℃

Fire Hazards · 5 件

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Excerpt from ERG Guide 125 [Gases - Toxic and/or Corrosive]:

· Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

· Some may burn but none ignite readily.

Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.

Fire PotentialIgnites on contact with magnesium; perchloric acid; potassium + heat; potassium chlorate + heat; oxidants.
Health Hazards · 4 件

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Excerpt from ERG Guide 125 [Gases - Toxic and/or Corrosive]:

· TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury or death.

· TOXIC and/or CORROSIVE; may be fatal if inhaled, ingested or absorbed through skin.

Hazards Summary · 1 件

Highly corrosive to skin; [Quick CPC] Inhalation exposures of 35 ppm can cause irritation of the throat, and higher exposures can cause laryngeal edema and pulmonary edema. [HSDB] When spilled in water, Acetyl iodide can release Hydrogen iodide. [ERG 2016] Decomposed by light; Anhydrous hydrogen iodide forms hydriodic acid when mixed with water; A strong irritant; [Merck Index] Evaporating liquid can cause frostbite; Corrosive to skin, eye, and respiratory tract; Inhalation may cause severe swelling of the throat and pulmonary edema; [ICSC] See Iodine for the TLV of Iodides.

DOT ID and Guide · 2 件

1787 154

2197 125

Reactive Group · 2 件

Acids, Strong Non-oxidizing

Acids, Strong Non-oxidizing

EC ClassificationSymbol: C; R: 35; S: (1/2)-9-26-36/37/39-45; Note: 5
UN ClassificationUN Hazard Class: 2.3; UN Subsidiary Risks: 8

安全と保護具

Fire Fighting · 3 件

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Excerpt from ERG Guide 125 [Gases - Toxic and/or Corrosive]:

In case of fire in the surroundings, use appropriate extinguishing media. In case of fire: keep cylinder cool by spraying with water.

First Aid Measures · 3 件

Half-upright position. Artificial respiration may be needed. Refer immediately for medical attention.

Rinse skin with plenty of water or shower for at least 15 minutes. ON FROSTBITE: rinse with plenty of water, do NOT remove clothes. Refer immediately for medical attention.

Rinse with plenty of water (remove contact lenses if easily possible). Refer immediately for medical attention.

Accidental Release Measures · 4 件

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· Do not touch or walk through spilled material.

First Aid · 4 件

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Excerpt from ERG Guide 125 [Gases - Toxic and/or Corrosive]:

General First Aid:

General First Aid:

Safe StorageFireproof if in building. Separated from metals and oxidants. Keep in a well-ventilated room.
Exposure Control and Personal Protection · 3 件

· Wear positive pressure self-contained breathing apparatus (SCBA).

· Wear positive pressure self-contained breathing apparatus (SCBA).

TIH (Toxic Inhalation Hazard) - Term used to describe gases and volatile liquids that are toxic when inhaled. Some are TIH materials themselves, e.g., chlorine, and some release TIH gases when spilled in water, e.g., chlorosilanes. [ERG 2016].

Fire Fighting Procedures · 2 件

If material involved in fire: Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Cool all affected containers with flooding quantities of water. Do not apply water to point of leak in tank car or container. Apply water from as far a distance as possible. Do not use water on material itself. If large quantities of combustibles are involved, use water in flooding quantities as spray and fog. Use water spray to knock-down vapors. /Hydrogen Iodide, anhyrous/

If material involved in fire: Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Use water in flooding quantities as spray and fog. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. /Hydriodic acid/

Storage Conditions · 3 件

Hydroidic acid must be stored to avoid contact with strong acids (such as hydrochloric, sulfuric and nitric), chemically active metals (such as potassium, sodium, magnesium and zinc), and strong oxidizers (such as chlorine, bromine, and fluorine) since violent reactions occur. Store in tightly closed containers in a cool, well vented area away from heat and moisture. Protect storage containers from physical damage. Procedures for the handling, use and storage of cylinders should be in compliance with OSHA 1910.101 and 1910.169 as with the recommendations of the Compressed Gas Association.

MATERIALS THAT ARE TOXIC AS STORED OR THAT CAN DECOMPOSE INTO TOXIC COMPONENTS ... SHOULD BE STORED IN A COOL WELL VENTILATED PLACE, OUT OF THE DIRECT RAYS OF THE SUN, AWAY FROM AREAS OF HIGH FIRE HAZARD, & SHOULD BE PERIODICALLY INSPECTED. INCOMPATIBLE MATERIALS SHOULD BE ISOLATED. ...

Keep protected from light and air, preferably not above 3 °C.

Cleanup Methods · 1 件

Evacuate and restrict persons not wearing protective equipment from area of spill or leak until cleanup is complete. Remove all ignition sources. Ventilate area of spill or leak. Neutralize with chemically basic substances such as sodium bicarbonate, soda ash, or slaked lime. Absorb liquids in vermiculite, dry sand, earth, peat, carbon, or a similar material and deposit in sealed containers. Keep this chemical out of confined spaces, such as a sewer, because of the possibility of an explosion, unless the sewer is designed to prevent the build up of explosive concentrations. It may be necessary to contain and dispose of this chemical as a hazardous waste. If material or contaminated runoff enters waterways, notify downstream users of potentially contaminated waters. Contact your Department of Environmental Protection or your regional office of the federal EPA for specific recommendations. If employees are required to clean-up spills, they must be properly trained and equipped. OSHA 1910.120(q) may be applicable.

Nonfire Spill Response · 2 件

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Excerpt from ERG Guide 125 [Gases - Toxic and/or Corrosive]:

Disposal Methods · 2 件

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Add slowly to a large amount of soda ash and slaked lime in solution with stirring. Flush resulting solution to a sewer.

Spillage DisposalPersonal protection: complete protective clothing including self-contained breathing apparatus. Ventilation.

毒性情報

Adverse EffectsDermatotoxin - Skin burns.
Exposure RoutesSerious local effects by all routes of exposure.
Signs and Symptoms · 3 件

Cough. Sore throat. Burning sensation behind the breastbone. Shortness of breath. Laboured breathing.

Redness. Pain. Skin burns. Blisters. ON CONTACT WITH LIQUID: FROSTBITE.

Redness. Pain. Severe burns.

Medical SurveillanceBefore beginning employment and at regular times after that, for those with frequent or potentially high exposures, the following are recommended: lung function tests, chest x-ray following acute overexposure, kidney function tests.
Human Toxicity Excerpts · 5 件

/SIGNS AND SYMPTOMS/ Long term exposure: Chronic exposure can cause injury to kidneys and spleen, hypotension, palpitation, ataxia and weakness. Very irritating substances may cause lung damage. Prolonged absorption of /hydriodic acid/ can cause skin rash. headache, irritation of mucous membranes with running nose.

/SIGNS AND SYMPTOMS/ Edema of the glottis necessitating tracheotomy has occurred.

/SIGNS AND SYMPTOMS/ Inhalation of hydrogen iodide causes irritation of the upper respiratory tract, and a concentration of about 35 ppm causes irritation of the throat after short exposure. More severe exposures result in pulmonary edema, and often in laryngeal edema.

/SIGNS AND SYMPTOMS/ /If/ ... decomposition in simple aqueous soln ... free iodine ... liberated and if taken internally ... it is irritating to the alimentary tract.

For more Human Toxicity Excerpts (Complete) data for HYDROGEN IODIDE (8 total), please visit the HSDB record page.

Probable Routes of Human Exposure(NOES Survey 1981-1983) has statistically estimated that 8,545 workers (2,191 of these are female) are potentially exposed to hydrogen iodide in the US(1).
Antidote and Emergency Treatment · 4 件

Basic treatment: Establish a patent airway (oropharyngeal or nasopharyngeal airway, if needed). Suction if necessary. Watch for signs of respiratory insufficiency and assist respirations if needed. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary ... . Monitor for shock and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with 0.9% saline (NS) during transport ... . Do not use emetics. Activated charcoal is not effective. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool ... . Do not attempt to neutralize because of exothermic reaction. Cover skin burns with dry, sterile dressings after decontamination ... . /Inorganic acids and related compounds/

Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient who is unconscious, has severe pulmonary edema, or is in severe respiratory distress. Early intubation, at the first sign of upper airway obstruction, may be necessary. Positive-pressure ventilation techniques with a bag valve mask device may be beneficial. Consider drug therapy for pulmonary edema ... . Consider administering a beta agonist such as albuterol for severe bronchospasm ... . Monitor cardiac rhythm and treat arrhythmias as necessary ... . Start IV administration of D5W /SRP: "To keep open", minimal flow rate/. Use 0.9% saline (NS) or lactated Ringer's(LR) if signs of hypovolemia are present. For hypotension with signs of hypovolemia, administer fluid cautiously. Consider vasopressors if patient is hypotensive with a normal fluid volume. Watch for signs of fluid overload ... . Use proparacaine hydrochloride to assist eye irrigation ... . /Inorganic acids and related compounds/

Basic treatment: Establish a patent airway (oropharyngeal or nasopharyngeal airway, if needed). Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary ... . Monitor for shock and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with 0.9% saline (NS) during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patent can swallow, has a strong gag reflex, and does not drool. Administer activated charcoal ... . Cover skin burns with dry sterile dressings after decontamination ... . /Iodine and related compounds/

Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient who is unconscious, has severe pulmonary edema, or is in severe respiratory distress. Positive-pressure ventilation techniques with a bag valve mask device may be beneficial. Consider drug therapy for pulmonary edema ... . Monitor cardiac rhythm and treat arrhythmias if necessary ... . Start IV administration of D5W /SRP: "To keep open", minimal flow rate/. Use 0.9% saline (NS) or lactated Ringer's (LR) if signs of hypovolemia are present. For hypotension with signs of hypovolemia, administer fluid cautiously. Consider vasopressors if patient is hypotensive with a normal fluid volume. Watch for signs of fluid overload ... . Use proparacaine hydrochloride to assist eye irrigation ... . /Iodine and related compounds/

法規制情報

FIFRA Requirements · 2 件

Residues of the following chemical substances are exempted from the requirement of a tolerance when used in accordance with good manufacturing practice as ingredients in an antimicrobial pesticide formulation, provided that the substance is applied on a semi-permanent or permanent food-contact surface (other than being applied on food packaging) with adequate draining before contact with food. ... (b) The following chemical substances when used as ingredients in an antimicrobial pesticide formulation may be applied to: Dairy processing equipment, and food-processing equipment and utensils. Hydriodic acid is included on this list. Limit: When ready for use, the total end-use concentration of all iodide-producing chemicals is not to exceed 25 ppm of titratable iodine. /Hydriodic acid/

Residues of the following chemical substances are exempted from the requirement of a tolerance when used in accordance with good manufacturing practice as ingredients in an antimicrobial pesticide formulation, provided that the substance is applied on a semi-permanent or permanent food-contact surface (other than being applied on food packaging) with adequate draining before contact with food. ... (c) The following chemical substances when used as ingredients in an antimicrobial pesticide formulation may be applied to: Food-processing equipment and utensils. hydriodic acid is included on this list. Limit: When ready for use, the total end-use concentration of all iodide-producing chemicals in the solution is not t exceed 25 ppm of titratable iodine. /Hydriodic acid/

DHS Chemicals of Interest (COI) · 4 件

Hydrogen iodide, anhydrous

95.33

500

Weapons of Mass Effect chemical material that, if stolen or diverted, can be converted into weapons using simple chemistry, equipment, or techniques.

安全データ

F
8
wgk
-
IDLA
45 ppm (70 mg/m3)
tsca
TSCA listed
rtecs
MW3760000
ridadr
UN 2197 2.3 (HYDROGEN IODIDE, ANHYDROUS)
hs_code
2811199010
risk_code
34-35
化審法
(1)-364
安衛法
57,57-2
hazard_code
C
safety_code
26-36/37/39-45-9
hazard_class
8
packing_group
II
毒劇物取締法
劇物
Hazard Classifications
Aquatic Chronic 2Eye Dam. 1Met. Corr. 1Skin Corr. 1B
ストレージクラス
8B - Non-combustible corrosive hazardous materials
有毒物質データの
10034-85-2(Hazardous Substances Data)

Hydroiodic acid is the colorless solution formed when hydrogen iodide gas dissolves in water. It is prepared by reaction of iodine with hydrogen sulfide or hydrazine, or by an electrolytic method. Typically commercial hydroiodic acid contains 40-55% HI.

By catalytic union of the elements. Also prepd by treating concn hydriodic acid soln with phosphorus pentoxide. /Hydrogen iodide gas/

... /Hydrogen iodide gas/ cannot be prepared using strong acids because it is readily oxidized; therefore, it must be prepared from a weak acid and iodine, or by the hydrolysis of certain iodides. Hydriodic acid is the colorless solution formed when hydrogen iodide gas dissolves in water, and at commercial strength, typically contains 47% hydrogen iodide.

Formulations/Preparations · 5 件

HYDRIODIC ACID SYRUP /AN EXPECTORANT/ CONTAINS APPROX 1.4% HYDRIODIC ACID ... /HYDRIODIC ACID SYRUP; FORMER/

Commercial aqueous hydrogen iodide solution contains 40-55 wt% hydrogen iodide

Forms colorless liquid at atmospheric pressure when cooled with dry ice & ether or other cooling mixture /Hydrogen iodide gas/

A solution of hydrogen iodide in water.

Grades: Technical, 47%; NF, diluted 10% /Hydriodic acid/

DEA Listed Chemicals · 2 件

Hydriodic Acid

A chemical specified by regulation that, in addition to legitimate uses, is used in manufacturing a controlled substance in violation of the Act and is important to the manufacture of a controlled substance. (21 eCFR 1310.02)

General Manufacturing Information · 2 件

Agriculture, Forestry, Fishing and Hunting

Hydriodic acid: ACTIVE

応用分野 · 8 件

解説ようかすいそ,無色,刺激性のある発煙性の気体で,液体は淡黄色を呈する。融点は-50.8℃,沸点-35.1℃,臨界温度150.8℃。気体の密度は5.66g/cm3(0℃,1気圧)で,空気の4.77倍。液体の密度は2.799g/cm3(-35.4℃)。気体におけるHI分子のH―I結合距離は1.609Å。双極子モーメントは0.38D(Dは双極子モーメントの単位デバイの略で,1D=3.336×10-30C・m)で,H-I結合のイオン性は5%。株式会社平凡社 世界大百科事典 第2版について 情報

用途医薬中間原料、試薬、殺虫剤

用途汎用試薬。還元剤。

用途分析用試薬,医薬原料(化学工業日報社)

説明‘Iodine’ is derived from iodes, a Greek word meaning violet. It is a member of the halide family and hydrogen iodide is considered a strong acid.

使用Hydriodic acid is used in the manufactureof iodides, as a reducing agent, and indisinfectants and pharmaceuticals.

一般的な説明A colorless to yellow liquid with a pungent odor. Consists of a solution of hydrogen iodide in water. Fumes irritate the eyes and mucous membranes. Corrosive to metals and to tissue. It is prepared by the reaction of iodine and hydrosulfuric acid or by the reaction of phosphorus plus iodine plus water followed by distillation. Concentrated hydroiodic acid reacts with the oxygen of the air to form free iodine, which gives a brownish color to the solution. It also gives an idea of the reducing nature of this acid. It is an important reagent in organic chemistry and is used commercially in the preparation of iodides.

使用用途ヨウ化水素は、同じハロゲン化水素である塩化水素やと比べて不安定で、酸化されやすいです。そのため、強い還元剤として利用されます。また、塩化物、臭化物、金属酸化物などと反応してヨウ化物を生成するため、無機ヨウ化物の製造に利用可能です。 さらに、ITO (インジウムスズ酸化物) のドライエッチング剤としても知られています。エッチングとは、物質の腐食作用を利用して、ICの回路を形成する工程のことです。

調製方法 · 3 件

製造方法Hydrogen iodide is prepared by direct combination of hydrogen and iodinevapor in the presence of platinum catalyst: H2 + I2 → 2HI The compound is produced in commercial scale by reaction of iodine withhydrazine or hydrogen sulfide: 2I2 + N2H4 → 4HI + N2 I2 + H2S → 2HI + S Hydriodic acid may be prepared by dissolving hydrogen iodide gas in water.The acid also may be obtained by electrolysis of iodine solution or by passinghydrogen sulfide into a suspension of iodine in water and boiling to expelexcess sulfide. After boiling, the precipitated sulfur is removed by filtrationthrough fritted glass plate or glass wool. Hydriodic acid in small quantities may be prepared by adding water care-fully to a solid mixture of red phosphorus and iodine. Technical grade hydriodic acid is a 47% HI solution and usually has abrown color due to the presence of free iodine, produced by air oxidation of HI.Hydriodic acid should be stored in the dark to prevent photochemical decom-position, and free from air to prevent oxidation. The addition of 1.5%hypophosphorus acid (H3PO2) prevents oxidative decomposition. Hydriodic acid also is commercially sold at 57% (azeotropic concentration)and 10% aqueous solutions.

合成方法ヨウ化物に濃リン酸溶液を加えて加熱する

純化方法Iodine can be removed from aqueous HI, probably as the amine hydrogen triiodide, by three successive extractions using a 4% solution of Amberlite LA-2 (a long-chain aliphatic amine) in CCl4, toluene or pet ether (10mL per 100mL of acid). [Davidson & Jameson Chem Ind (London) 1686 1963.] Extraction with tributyl phosphate in CHCl3 or other organic solvents is also suitable. Alternatively, a De-acidite FF anion-exchange resin column in the OH--form using 2M NaOH, then into its I--form by passing dilute KI solution through, can be used. Passage of an HI solution under CO2 through such a column removes polyiodide. The column can be regenerated with NaOH. [Irving & Wilson Chem Ind (London) 653 1964]. The earlier method was to reflux with red phosphorus and distil in a stream of N2. The colourless product is stored in ampoules in the dark [Bradbury J Am Chem Soc 74 2709 1952, Heisig & Frykholm Inorg Synth I 157 1939]. It fumes in moist air. HARMFUL VAPOURS.

上流・下流製品情報

上流原料

よう素

下流製品

4-Iodopyridine-2-carboxylic acidアンモニウムヨージド2-ブロモ-3-ヨード-イソニコチン酸DL-イソロイシン2-ヨードイソニコチン酸2-ヨードピリジンヨウ化カリウム3-ヨード-2-ニトロピリジン9H-プリン-6-カルボニトリル4(3H)-ピリミジノン6-ヨードピコリン酸メチルピラゾロ[1,5-A]ピリジン-3-カルボン酸4-ヨードキノリン3,3'-ジヒドロキシベンジジン2-(3,4-ジヒドロキシフェニル)エチルアルコールよう素キサンツレン酸インダゾールネロール2,5-ジクロロ-4-アミノフェノール1-フルオレンカルボン酸6-ヨード-1H-プリン2-アミノ-6-ヨードプリン
補足説明 · 1 件

定義hydrogen iodide: A colourless gas,HI; m.p. –51°C; b.p. –35.38°C. It canbe made by direct combination ofthe elements using a platinum catalyst.It is a strong acid dissociating extensivelyin solution (hydroiodic acid or hydriodic acid). It is also a reducingagent.