CAS · 15244-38-9
Product Overview
Chromium(III) sulfate hydrate丨15244-38-9 is an inorganic compound commonly used in leather tanning, dyeing, catalysts, and water treatment. It contains trivalent chromium (Cr³⁺), which is significantly less toxic than hexavalent chromium (Cr⁶⁺), making it a preferred option for many industrial applications.
Product Specifications
| Property | Specification |
|---|---|
| Appearance | Green powder |
| Purity (Titration) | 98.0% min |
| Cr | 25.5% to 26% |
| Water Insoluble | 0.1% max |
| Fe | 0.1% max |
| pH | 3.0 to 4.0 |
Applications
1. Leather Tanning Industry
● Primary Tanning Agent:
Used in chrome tanning to convert raw hides into durable, flexible leather.
Provides high strength, water resistance, and smooth texture to the leather.
2. Textile and Dyeing Industry
● Mordant for Dyeing:
Used as a fixative in textile dyeing to help dyes bond more effectively to fabrics.
● Colorant for Pigments:
Used in ceramic glazes and paints for vibrant green shades.
3. Water Treatment
● Flocculant in Wastewater Treatment:
Helps in coagulation and removal of impurities in industrial wastewater.
4. Catalysts and Chemical Synthesis
● Catalyst for Organic Reactions:
Used in chemical manufacturing as a catalyst or precursor for other chromium compounds.
● Precursor for Chromium-Based Materials:
Helps in producing chromium-containing alloys and coatings.
5. Corrosion Inhibitor
● Used in Metal Treatment:
Acts as a corrosion inhibitor in industrial applications to protect metals from oxidation and wear.
Benefits
1. Essential for High-Quality Leather Production
● Provides softness, durability, and water resistance to leather products.
2. Environmentally Safer Alternative to Hexavalent Chromium
● Trivalent chromium is less toxic and safer for industrial applications compared to Cr⁶⁺.
3. Improves Textile Dyeing Efficiency
● Enhances color fastness and dye penetration in fabrics.
4. Aids in Water Purification
● Used as a flocculant to remove contaminants and heavy metals from wastewater.
5. Versatile Industrial Applications
● Found in leather, textiles, catalysts, pigments, and metal treatments, making it a multi-use compound.
Conclusion
Chromium(III) sulfate hydrate丨15244-38-9 is a versatile and widely used industrial compound with applications in leather tanning, textile dyeing, water treatment, catalysts, and corrosion protection. Its effectiveness, durability, and relative environmental safety make it a preferred choice for chromium-based applications.
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