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Barium oxide

HCID 62392
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기본 정보개요이름 및 식별자물성안전 및 규제화학 및 산업관련 반응화합물 노트
부분 구조 검색유사 구조 찾기

기본 정보

CAS
1304-28-5
표준 SMILES
[O]=[Ba]
InChIKey
QVQLCTNNEUAWMS-UHFFFAOYSA-N
분자식
BaO
평균 분자량
153.33 g/mol
단동위원소 질량
153.90016182

개요

Barium oxide appears as a white to yellow powder. May be toxic by ingestion. Irritates skin, eyes and mucous membranes. Used as a drying agent for gasoline and solvents.

이름 및 식별자

우선 이름
Barium oxide
IUPAC
oxobarium

이름 및 동의어

BARIUM OXIDE1304-28-5oxobariumBarytaBarium monoxideCalcined barytaBarium protoxideBarium oxide (BaO)Oxyde de baryumDTXSID2089323477603K202BRefChem:116544
이름 더 보기
DTXCID501323167215-127-9Barium oxide, obtained by calcining witheriteMFCD00003453Oxyde de baryum [French]EINECS 215-127-9UN1884Baria

데이터베이스 식별자

CAS
1304-28-5
PubChem CID
62392
DTXSID
DTXSID20893234
EC Number
215-127-9
Nikkaji
J43.682H

물성

구조 계산 물성보충 중

극성 표면적
17.1 Ų
수소 결합 공여자 수
0
수소 결합 수용자 수
1
회전 가능 결합 수
0
무거운 원자 수
2
형식 전하
0
복잡도
2

실험 및 물리화학적 성질

Chemical Classes · 2건

Metals -> Metals, Inorganic Compounds

Reactive agents - 2nd degree

SpringerMaterials Propertiesphonon wavenumber
Density · 2건

5.7 g/cm³

5.72 @25 °C

SolubilitySolubility in water, g/100ml at 20 °C: 3.8
Boiling Point~2000 °C
Melting Point · 2건

1923 °C

1973 °C

Physical Description · 4건

Barium oxide appears as a white to yellow powder. May be toxic by ingestion. Irritates skin, eyes and mucous membranes. Used as a drying agent for gasoline and solvents.

Large Crystals; CBI; Other Solid

White to yellowish-white solid; Soluble in water; [Merck Index] Beige powder; [Aldrich MSDS]

YELLOWISH-WHITE SOLID IN VARIOUS FORMS.

안전 및 규제

안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.

GHS 분류

GHS Classification · 6건

This chemical does not meet GHS hazard criteria for 1.4% (5 of 359) of reports.

Danger

H271 (36.8%): May cause fire or explosion; strong Oxidizer [Danger Oxidizing liquids; Oxidizing solids]

P210, P220, P260, P261, P264, P264+P265, P270, P271, P280, P283, P301+P316, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P306+P360, P316, P317, P321, P330, P332+P317, P337+P317, P362+P364, P363, P370+P378, P371+P380+P375, P405, P420, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 359 reports by companies from 18 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Danger

유해성 정보

Regulatory Information · 5건

Chemical: Barium oxide (BaO)

Barium oxide (BaO) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Barium oxide (BaO) 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: 06-04-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/13409

Barium oxide, anhydrous: 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 LabelPoison
Fire Hazards · 3건

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.

Not combustible.

Health Hazards · 2건

화학 및 산업

약리 정보

Metabolism/Metabolites · 1건

Barium compounds are absorbed via ingestion and inhalation, the extent of which depends on the individual compound. In the body, the majority of the barium is found in the bone, while small amounts exists in the muscle, adipose, skin, and connective tissue. Barium is not metabolized in the body, but it may be transported or incorporated into complexes or tissues. Barium is excreted in the urine and faeces. (L214)

용도 및 제조

Uses · 3건

Used to dry gases and solvents and to make lubricating oil detergents and barium methoxide; [Merck Index] Used as a drying agent for gasoline and solvents; [CAMEO]

Petroleum Production and Refining [Category: Industry]

Barium oxide is used as a coating for hot cathodes, in cathode ray tubes, and in the production of certain kinds of glass, such as optical crown glass. (L208)

U.S. Production2023: 1,000,000 - <5,000,000 lb
Consumer UsesOther
Industry UsesOther
General Manufacturing Information · 2건

All Other Basic Inorganic Chemical Manufacturing

Barium oxide (BaO): ACTIVE

공급사100 곳

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화합물 노트

불러오는 중…

이 페이지에서기본 정보개요이름 및 식별자물성안전 및 규제화학 및 산업관련 반응화합물 노트

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 · 1건

Highly alkaline; Absorbs moisture and carbon dioxide from air; Produces barium hydroxide and much heat on contact with water; [Merck Index] Reacts violently with water posing fire and explosion hazard; A skin, eye, and respiratory tract irritant; Short-term exposure may affect the nervous system and cause hypokalemia (leading to cardiovascular and muscular disorders); [ICSC] Reacts with water evolving energy and forming barium hydroxide (corrosive); A skin, eye, and respiratory tract irritant; [CAMEO] Causes somnolence and tetany in intraperitoneal lethal-dose studies of mice; [RTECS] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Toxic by ingestion; Targets heart, nerves, kidney, GI tract, bone marrow, spleen, and liver; [Aldrich MSDS] See Barium.

DOT ID and Guide1884 157
Reactive GroupBases, Strong
EC ClassificationSymbol: Xn; R: 20/22; S: (2)-28; Note: A
UN ClassificationUN Hazard Class: 6.1; UN Pack Group: III
Reactivity AlertsWater-Reactive
Reactivity Profile · 1건

BARIUM OXIDE reacts as a strong base. Combines exothermically with all categories of acids. Reacts with carbon dioxide to form barium carbonate [Merck 11th ed. 1989]. Ignites hydroxylamine on contact [Mellor 8:291 1946-47]. Mixtures with mercurous or nickel oxide react vigorously with hydrogen sulfide in air. Explosions may result [Mellor 10:140 1946-47]. Can react, particularly in the presence of moisture, with aluminum and zinc)to form oxides or hydroxides of the metal and generate gaseous hydrogen. May initiate polymerization reactions in polymerizable organic compounds, especially epoxides. May generate flammable and/or toxic gases with ammonium salts, nitrides, halogenated organics, peroxides, and hydroperoxides.

Chemical DangersThe solution in water is a medium strong base. Reacts violently with water, dinitrogen tetraoxide, hydroxylamine, sulfur trioxide and hydrogen sulfide. This generates fire and explosion hazard.

안전 및 보호

Fire Fighting · 2건

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

In case of fire in the surroundings, use appropriate extinguishing media.

First Aid Measures · 4건

Fresh air, rest. Refer for medical attention.

Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Give one or two glasses of water to drink. Refer for medical attention .

Accidental Release Measures · 2건

· 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 · 2건

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

General First Aid:

Safe StorageSeparated from food and feedstuffs. Dry. Well closed.
Exposure Control and Personal Protection · 2건

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

0.5 [mg/m3], as Ba, inhalable fraction(soluble compds)[German Research Foundation (DFG)]

Nonfire Spill ResponseExcerpt from ERG Guide 157 [Substances - Toxic and/or Corrosive (Non-Combustible / Water-Sensitive)]:
Spillage Disposal · 1건

Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. Carefully collect remainder. Then store and dispose of according to local regulations.

Isolation and Evacuation · 2건

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

Immediate precautionary measure

Eye PreventionWear safety spectacles or eye protection in combination with breathing protection if powder.
Inhalation RiskEvaporation at 20 °C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.
Skin PreventionProtective gloves.

독성 정보

TreatmentIntravenous infusion of potassium often relieves many of the symptoms of barium toxicity. (L214)
Health Effects · 1건

The health effects of the different barium compounds depend on how well the compound dissolves in water or the stomach contents. At low doses, barium acts as a muscle stimulant, while higher doses affect the nervous system, causing cardiac irregularities, tremors, weakness, anxiety, dyspnea, paralysisand possibly death. Barium may also cause gastrointestinal disturbances, damage the kidneys and cause decreases in body weight. (L214)

Adverse EffectsNephrotoxin - The chemical is potentially toxic to the kidneys in the occupational setting.
Exposure Routes · 2건

The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

Oral (L214) ; inhalation (L214)

Toxicity Summary · 1건

Barium is a competitive potassium channel antagonist that blocks the passive efflux of intracellular potassium, resulting in a shift of potassium from extracellular to intracellular compartments. The intracellular translocation of potassium results in a decreased resting membrane potential, making the muscle fibers electrically unexcitable and causing paralysis. Some of these barium's effects may also be due to barium induced neuromuscular blockade and membrane depolarization. (L214)

Signs and Symptoms · 5건

Cough. Sore throat.

Redness. Pain.

Redness. Pain.

Abdominal pain. Diarrhoea. Nausea. Vomiting. Muscle paralysis. Irregular heartbeat. Elevated blood pressure.

Ingesting excess barium may cause vomiting, abdominal cramps, diarrhea, difficulties in breathing, increased or decreased blood pressure, numbness around the face, and muscle weakness. High levels may result in changes in heart rhythm or paralysis and possibly death. (L214)

ICSC Environmental DataThe substance is harmful to aquatic organisms.
Carcinogen ClassificationNo indication of carcinogenicity to humans (not listed by IARC).
Toxicity DataLD50: 50 mg/kg (Oral, Rat) (L274)
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