Siarczan chromu (III) - 1000g

Chromium (III) Sulfate

Other Names: Chromium sulfate, Chromic sulfate, Chromium trisulfate
Chemical Formula: Cr₂(SO₄)₃ or Cr₂(SO₄)₃·xH₂O
Molar Mass:

• Anhydrous: 392.18 g/mol

• Hydrated form (commonly Cr₂(SO₄)₃·18H₂O): ~500–600 g/mol (depending on hydration level)
  CAS Number: 10101-53-8
  Appearance: Dark violet to green crystalline solid (color may vary depending on hydration and form)
  Odor: Odorless

Physical and Chemical Properties

• Solubility in Water: Soluble, forms acidic solution

• Solubility in Alcohol: Slightly soluble or insoluble

• Density: Varies depending on hydration

• Melting Point: Decomposes before melting (hydrated form)

• Stability: Stable under recommended storage conditions

• Reactivity: Incompatible with strong oxidizers

Applications

• Leather Industry: Widely used as a tanning agent in chrome tanning processes

• Textiles: Employed in dyeing and mordanting of fabrics

• Pigment Production: Intermediate in the manufacture of chromium-based pigments

• Water Treatment: Occasionally used in chemical treatment of wastewater

• Analytical Chemistry: Reagent in redox reactions and metal ion analysis

Safety Information

• This chemical does not meet GHS hazard criteria for 93.6% (2019 of 2157) of all reports. Pictograms displayed are for 6.4% (138 of 2157) of reports that indicate hazard statements.

Handling and Storage

• Handling: Avoid creating dust. Use only in well-ventilated areas

• Storage: Store in a tightly sealed container in a cool, dry place, away from incompatible substances

Environmental Considerations

Chromium (III) compounds are less toxic than chromium (VI), but still harmful to aquatic life in high concentrations. Prevent environmental release.