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Barium hydroxide monohydrate(22326-55-2)

Barium hydroxide monohydrate(22326-55-2)
Product IdentificationBack to Contents
【Product Name】

Barium hydroxide monohydrate
【CAS】

22326-55-2
【Formula】

BaH4O3
【Formula】

H2BaO2
【Molecular Weight】

171.34
【Beilstein/Gmelin】

196407 (G)
Physical and Chemical PropertiesBack to Contents
【Appearance】

A white powder. Corrodes metals and tissue.
【Density】

3.743 g/cm3
【Usage】

Used in water purification, to make lubricating and oil additives, to make barium-containing chemicals.
First Aid MeasuresBack to Contents
【Ingestion】

Seek medical assistance.
【Inhalation】

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
【Skin】

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
【Eyes】

Immediately flush with running water for at least 20 minutes.
Handling and StorageBack to Contents
【Storage】

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
【Handling】

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Hazards IdentificationBack to Contents
【Ingestion】

See Inhalation.
【Inhalation】

TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.
【Skin】

Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.
【Eyes】

See Inhalation.
【Hazards】

Contact with metals may evolve flammable hydrogen gas.
【UN (DOT)】

1564
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Wear appropriate protective gloves, clothing and goggles.
【Respirators】

Wear positive pressure self-contained breathing apparatus (SCBA).
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

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 fog. Apply water from as far a distance as possible.
【Fire Potential】

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Keep material out of water sources and sewers. Land spill: Dig a pit, pond, lagoon, holding area to contain liquid or solid material. Cover solids with a plastic sheet to prevent dissolving in rain or fire fighting water. Dike surface flow using soil, sand bags, foamed polyurethane, or foamed concrete. Neutralize with vinegar or other dilute acid. Absorb bulk liquid with fly ash or cement powder. Water spill: Use natural barriers or oil spill control booms to limit spill travel. Neutralize with dilute acid.
Stability and ReactivityBack to Contents
【Stability】

No data.
【Incompatibilities】

Reacts similarly to sodium hydroxide (NaOH), but is less soluble in water Can react with aluminum and zinc to form oxides or hydroxides of the metal and generate gaseous hydrogen.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

1564
【Hazard Class】

6.1
【Packing Group】

II; III
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