| CAS Number | 7784-24-9 |
|---|---|
| Appearance | White crystalline powder |
| Chemical Formula | KAl(SO₄)₂·12H₂O |
| Solubility | Soluble in water |
| pH | 3.0 ± 0.5 |
| Melting Point | Decomposes at ~92 °C |
| Density | ~1.75 g/cm³ |
Alum Powder | Potassium Aluminum Sulfate
Alum Powder, commonly referring to Potassium Alum (KAl(SO₄)₂·12H₂O), is a white crystalline substance widely used for its astringent, antiseptic, and coagulating properties. It is water-soluble and mildly acidic, making it versatile for applications in various industries.
Applications
- Water Treatment: Acts as a flocculant to purify water by removing impurities.
- Cosmetics: Used in deodorants, aftershave astringents, and facial toners for it’s antimicrobial and tightening properties.
- Food Industry: Employed in pickling, baking powders, and as a firming agent in foods.
- Textile Industry: Utilized in dyeing and tanning as a mordant to fix dyes onto fabrics.
- Medicinal Uses: Helps in treating minor cuts and as an oral rinse for mouth ulcers.
- Other Uses: Found in fireproofing compounds, paper manufacturing, and even as a natural antiperspirant.
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