Nitrosylsulfuric acid (HCID 82157)

概要

Shipped in solution with sulfuric acid (solutions are usually 40% nitrosylsulfuric acid and 54% sulfuric acid (Hawley)). Solution is a straw-colored oily liquid with a sharp odor. When pure, a crystalline solid decomposing at 73 °C. Very irritating to skin and eyes. Used to make dyes and other chemicals.

名称と識別子

優先名称: Nitrosylsulfuric acid
IUPAC: nitroso hydrogen sulfate
現地名: 硫酸水素ニトロシル
英語名: Nitrosylsulfuric acid
分子式: HNO5S
分子量: 127.07

名称と別名

Nitrosylsulfuric acidnitrosyl sulfatechamber crystalsNitrosylsulphuric acidNITROSOSULFURIC ACIDnitrosyl sulfuric acidnitrosulfonic acidnitrosyl hydrogen sulfatenitro acid sulfiteNitroxylsulfuric acidSulfuric acid, monoanhydride with nitrous acidUNII-40K942UPM8

名称をさらに表示

硫酸ニトロシル硫酸水素(窒素オキシド)ニトロシル硫酸硫酸亜硝酸無水物ニトロシル硫酸,40%硫酸溶液ニトロシル硫酸溶液硫酸水素ニトロシルNitrosylsulfuric acid 40%nitrosylsulphuricNitrosylschwefelsureNITROSYSULFURIC ACIDNitrosyl hydrogensulfateSulfuric nitrous anhydride

40K942UPM8Sulfuric acid monoanhydride with nitrous acidEINECS 231-964-2UN2308DTXSID30889380EC 231-964-2NITROSYLSULFURIC ACID [MI]Sulfuric acid, anhydride with nitrous acid (1:1)

データベース識別子

CAS: 37297-09-9、7782-78-7
PubChem CID: 82157
DTXSID: DTXSID30889380
ChEBI: CHEBI:230452
UNII: 40K942UPM8
EC Number: 231-964-2
Nikkaji: J96.480H

物性

構造計算による物性

XLogP: -0.9
極性表面積: 101 Å²
水素結合供与体数: 1
水素結合受容体数: 6
回転可能結合数: 1
重原子数: 7
形式電荷: 0
複雑度: 136

実験および物理化学的性質

Chemical Classes · 2 件

Toxic Gases & Vapors -> Acids, Inorganic

Corrosives

SpringerMaterials PropertiesCorrosion

Density3 @25 °C

Melting Point73.5 °C

Physical Description · 3 件

Shipped in solution with sulfuric acid (solutions are usually 40% nitrosylsulfuric acid and 54% sulfuric acid (Hawley)). Solution is a straw-colored oily liquid with a sharp odor. When pure, a crystalline solid decomposing at 73 °C. Very irritating to skin and eyes. Used to make dyes and other chemicals.

Solid; [Merck Index] Sulfuric acid solution: Straw-colored liquid with a sharp odor; [CAMEO] Light yellow crystals; [Sigma-Aldrich MSDS]

Solid

物理化学的性質

融点: -10 °C · -10 °C
沸点: 333 ℃ · 333℃ at 101.33kPa
比重(密度): 1.612 g/mL · 1.612 g/mL at 25 °C
蒸気圧: 2.6 · 2.6-30Pa at 20-50℃
貯蔵温度: Refrigerator (+4°C)
溶解性: 2 O; · reacts with H2O; soluble in H2SO4
酸解離定数(Pka): -7.51 · -7.51±0.18(Predicted)
外見: 粘性液体
色: 透明～乳白色～緑がかった色
水溶解度: 分解する
Merck: 13 · 13,6682
InChI: InChI=1S/HNO5S/c2-1-6-7(3,4)5/h(H,3,4,5)
InChIKey: VQTGUFBGYOIUFS-UHFFFAOYSA-N
SMILES: O(N=O)S(O)(=O)=O
CAS データベース: 7782 · 7782-78-7(CAS DataBase Reference)
EPAの化学物質情報: Sulfuric acid, monoanhydride with nitrous acid (7782-78-7)

化学的性質

化学的特性Nitrosylsulfuric acid, HNO5S, is a straw-colored, oily liquid furnished as a 40% solution in 87% sulfuric acid,and stable at room temperature. It is used as a diazotizing agent for dyes,chemical intermediate, drugs and pharmaceuticals.

安全と法規制

GHS分類

GHS Classification · 4 件

Danger

H271 (12.4%): May cause fire or explosion; strong Oxidizer [Danger Oxidizing liquids; Oxidizing solids]

P210, P220, P260, P261, P262, P264, P264+P265, P270, P271, P280, P283, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P306+P360, P316, P317, P321, P330, P361+P364, P363, P370+P378, P371+P380+P375, P403+P233, P405, P420, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 185 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

危険有害性情報

Hazards Identification · 2 件

Water-reactive material (WR)

Regulatory Information · 5 件

Chemical: Sulfuric acid, monoanhydride with nitrous acid

Sulfuric acid, anhydride with nitrous acid (1:1) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Sulfuric acid, anhydride with nitrous acid (1:1) 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)

Status: Active Update: 25-07-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/12460

Nitrosylsulfuric 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.)

DOT LabelCorrosive

Fire Hazards · 3 件

Excerpt from ERG Guide 157 [Substances - Toxic and/or Corrosive (Non-Combustible / Water-Sensitive)]:

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

Health Hazards · 3 件

Excerpt from ERG Guide 157 [Substances - Toxic and/or Corrosive (Non-Combustible / Water-Sensitive)]:

· TOXIC and/or CORROSIVE; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death.

Hazards Summary · 1 件

Decomposed by moisture producing sulfuric and nitric acids; [Merck Index] Shipped in solution with sulfuric acid; A strong oxidizing agent; Reacts vigorously with water evolving sulfuric acid and nitric acids; A strong skin and eye irritant; [CAMEO] Reacts violently with water; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Highly toxic by inhalation; Toxic by ingestion and skin absorption; [Sigma-Aldrich MSDS]

安全と保護具

Fire FightingExcerpt from ERG Guide 157 [Substances - Toxic and/or Corrosive (Non-Combustible / Water-Sensitive)]:

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.

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

First Aid · 3 件

Excerpt from ERG Guide 157 [Substances - Toxic and/or Corrosive (Non-Combustible / Water-Sensitive)]:

General First Aid:

Exposure Control and Personal Protection · 3 件

· 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].

Nonfire Spill ResponseExcerpt from ERG Guide 157 [Substances - Toxic and/or Corrosive (Non-Combustible / Water-Sensitive)]:

Isolation and Evacuation · 6 件

Excerpt from ERG Guide 157 [Substances - Toxic and/or Corrosive (Non-Combustible / Water-Sensitive)]:

Immediate precautionary measure

When spilled in water

Immediate precautionary measure

When spilled in water

毒性情報

Adverse EffectsDermatotoxin - Skin burns.

安全データ

wgk: 3
tsca: TSCA listed
ridadr: UN 3456 8/PG II (NITROSYLSULPHURIC ACID, SOLID)
hs_code: 28111980
risk_code: 8-14-23/24/25-35-34
hazard_code: O,T
safety_code: 17-26-36/37/39-45-27
hazard_class: 8
packing_group: II
Hazard Classifications: Acute Tox. 3 DermalAcute Tox. 3 OralAcute Tox. 4 InhalationEye Dam. 1Met. Corr. 1Ox. Liq. 2Skin Corr. 1A
ストレージクラス: 5.1B - Oxidizing hazardous materials

化学と産業

用途と製造

Uses · 2 件

Used for bleaching cereal; [Merck Index] Used to make dyes and other chemicals; [CAMEO] Used in the chemicals industry as an intermediate and solvent; [IUCLID]

Toxic Gas from Spilling Chemical in Water [Category: Other]

U.S. Production2023: 166,568 lb

Consumer UsesNot Known or Reasonably Ascertainable

Industry UsesNot Known or Reasonably Ascertainable

General Manufacturing Information · 2 件

Not Known or Reasonably Ascertainable

Sulfuric acid, anhydride with nitrous acid (1:1): ACTIVE

応用分野 · 4 件

解説硫酸水素ニトロシル,無色の斜方晶系イオン結晶．融点73.5 ℃(分解)．濃硫酸に可溶．乾いた空気中では安定である．湿気または水で分解して，硫酸と，硝酸(50 ℃ 以下)または窒素酸化物(50 ℃ 以上)になる．森北出版「化学辞典（第2版）

用途硫酸水素ニトロシル,粉砕した穀物の漂白などに用いられる．

使用Nitrosylsulfuric acid is used for diazotisation, nitrosation, oxidation and oximation reactions. Product Data Sheet

一般的な説明Shipped in solution with sulfuric acid (solutions are usually 40% Nitrosylsulfuric acid and 54% sulfuric acid (Hawley)). Solution is a straw-colored oily liquid with a sharp odor. When pure, a crystalline solid decomposing at 73°C. Very irritating to skin and eyes. Used to make dyes and other chemicals.