Cobalt (II) Nitrate Hexahydrate Pure [CAS: 10026-22-9 ] - 100g

Cobalt(II) Nitrate Hexahydrate
Other Names: Cobalt nitrate hexahydrate
Chemical Formula: Co(NO₃)₂·6H₂O
Molar Mass: 291.04 g/mol
CAS Number: 10026-22-9
EC Number: 233-402-1
Appearance: Red to rose-colored crystalline solid

Cobalt(II) nitrate hexahydrate is an inorganic coordination compound composed of cobalt(II) cations and nitrate anions, coordinated with six water molecules. It is commonly encountered as intensely colored crystals and is widely used in materials chemistry, catalysis, and electroplating processes.

Chemical and Physical Properties

• Density: Approx. 1.88 g/cm³ (estimated)

• Melting Point: Decomposes before melting

• Solubility in Water: Highly soluble

• Solubility in Alcohol: Soluble

• Odor: Odorless

• Color in Solution: Pink to red, depending on concentration

Applications

Catalysis:

• Used as a precursor in the preparation of cobalt-containing catalysts.

Glass, Ceramics, and Pigments:

• Provides rich blue or violet coloration in ceramic glazes and colored glasses.

Electroplating:

• Serves as a cobalt source in electrolytic cobalt deposition.

Laboratory Use:

• Utilized in synthesis of other cobalt compounds and coordination complexes.

Safety

Signal Word: Danger

Hazard Statements:

• H272: May intensify fire; oxidizer

• H302+H332: Harmful if swallowed or if inhaled

• H317: May cause an allergic skin reaction

• H318: Causes serious eye damage

• H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled

• H341: Suspected of causing genetic defects

• H350i: May cause cancer by inhalation

• H360: May damage fertility or the unborn child

• H400: Very toxic to aquatic life

• H410: Very toxic to aquatic life with long-lasting effects

Precautionary Statements:

• P201: Obtain special instructions before use

• P210: Keep away from heat/sparks/open flames/hot surfaces – No smoking

• P220: Keep/Store away from clothing and other combustible materials

• P260: Do not breathe dust or fumes

• P273: Avoid release to the environment

• P280: Wear protective gloves, clothing, and eye/face protection

• P284: In case of inadequate ventilation wear respiratory protection

• P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if easy to do. Continue rinsing

• P337+P313: If eye irritation persists: Get medical advice/attention

• P308+P313: IF exposed or concerned: Get medical advice/attention

• P391: Collect spillage

• P501: Dispose of contents/container in accordance with local/regional/national/international regulations

First Aid Measures

Eye Contact: Rinse thoroughly with water for at least 15 minutes. Seek immediate medical attention.
Skin Contact: Wash with soap and water. Remove contaminated clothing. If skin irritation or rash occurs, seek medical advice.
Inhalation: Move to fresh air. If breathing difficulties or allergic symptoms appear, seek immediate medical attention.
Ingestion: Rinse mouth. Do not induce vomiting. Seek medical help if symptoms occur.

Handling and Storage

Storage Conditions: Store locked up, in a tightly closed container in a cool, dry, and well-ventilated place. Keep away from heat and incompatible substances.
Handling Precautions: Handle with care using appropriate PPE. Avoid dust formation and prevent release to the environment.

Environmental Considerations

Cobalt(II) nitrate hexahydrate is very toxic to aquatic organisms and may cause long-lasting environmental harm. Prevent any uncontrolled release. Waste must be handled as hazardous and disposed of in accordance with local environmental regulations.