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Cobalt hydroxide(21041-93-0)

Cobalt hydroxide(21041-93-0)
Product IdentificationBack to Contents
【Product Name】

Cobalt hydroxide
【Synonyms】

Cobalt dihydroxide
Cobaltous hydroxide
【CAS】

21041-93-0
【Formula】

CoH2O2
【Molecular Weight】

92.95
【EINECS】

244-166-4
【RTECS】

GG0904500
【RTECS Class】

Tumorigen
【Merck】

13,2467
【Beilstein/Gmelin】

8813 (G)
Physical and Chemical PropertiesBack to Contents
【Appearance】

Blue-green crystals
【Solubility in water】

Slightly soluble
【Density】

3.597 g/cm3 (15 C)
【Usage】

Production of co compds.
First Aid MeasuresBack to Contents
【Ingestion】

If swallowed, wash out mouth with water provided person is conscious. Call a physician.
【Inhalation】

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
【Skin】

In case of contact, immediately wash skin with soap and copious amounts of water.
【Eyes】

In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.
Handling and StorageBack to Contents
【Storage】

Keep tightly closed. Store in a cool dry place. Store under nitrogen.
Hazards IdentificationBack to Contents
【Inhalation】

Material is irritating to mucous membranes and upper respiratory tract.
【Hazards】

Emits toxic fumes under fire conditions.
【EC Risk Phrase】

20/21/22 36/37/38
【EC Safety Phrase】

26 37/39
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Compatible chemical-resistant gloves. Chemical safety goggles.
【Respirators】

Government approved respirator.
【Exposure Effects】

Harmful. Harmful by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin.
【Exposure limit(s)】

0.02 mg/m3 TLV
【Poison Class】

2
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability and ReactivityBack to Contents
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Nature of decomposition products not known.
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