Sześciowodny chlorek chromu (III)

Chromium(III) Chloride Hexahydrate
Other Names: Chromium trichloride hexahydrate, Hexaaquachromium(III) chloride

CAS Number: 10060-12-5
Sum Formula: CrCl₃·6H₂O
Molar Mass: 266.45 g/mol
Appearance: Dark green to purple crystalline solid

Chromium(III) chloride hexahydrate is a coordination compound composed of chromium(III) ions complexed with water molecules and chloride ions. It is commonly used as a precursor to other chromium compounds, in catalysis, and in coordination chemistry studies.

Chemical and Physical Properties
Density: Approx. 1.76 g/cm³
Melting Point: Decomposes upon heating
Boiling Point: Not applicable (decomposes)
Solubility in Water: Soluble
Solubility in Other Solvents: Slightly soluble in alcohol
Odor: Odorless

Applications
Inorganic and Coordination Chemistry: Source of Cr³⁺ for synthesis of chromium complexes.
Catalysis: Used in various catalytic reactions.
Material Science: Precursor for chromium-based materials.
Dye Chemistry: Employed in the preparation of metal-complex dyes.

Safety

Signal Word: Warning

Hazard Statements:
H290: May be corrosive to metals
H302: Harmful if swallowed
H317: May cause an allergic skin reaction
H411: Toxic to aquatic life with long lasting effects

Precautionary Statements – Prevention:
P273: Avoid release to the environment
P280: Wear protective gloves and eye protection

Precautionary Statements – Response:
P302+P352: IF ON SKIN: Wash with plenty of water
P333+P313: If skin irritation or rash occurs: Get medical advice/attention

Handling and Storage
Storage Conditions: Store in a tightly sealed container in a cool, dry, and well-ventilated area. Protect from moisture, heat, and incompatible substances such as strong oxidizing or reducing agents.
Handling Precautions: Avoid generating dust and direct contact with skin or eyes. Use appropriate personal protective equipment and work under standard laboratory safety protocols.