Alum powder

Alum powder

Potash Alum; Potassium Alum; Aluminum Potassium Sulfate Dodecahydrate

CAS 7784-24-9

Chemical Formula KAl(SO₄)₂•12H₂O

Molecular Weight 474.39 g/mol

Alum powder, commonly known as Potassium Aluminum Sulfate, is an inorganic salt widely used for its astringent, antiseptic, coagulating, and water-purifying properties. It has applications across water treatment, pharmaceuticals, food processing, cosmetics, and textile finishing industries.

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Industrial Uses

1. Water Treatment

  • Coagulant in Water Purification: Alum is widely used in municipal and industrial water treatment plants to remove suspended solids, turbidity, and pathogens by coagulation and flocculation.
  • Effluent Treatment: Applied in wastewater treatment for sludge dewatering and pollutant removal.

2. Pharmaceuticals

  • Astringent & Antiseptic: Used in styptic pencils and aftershave products to stop minor bleeding and disinfect cuts.
  • Traditional Remedies: Used in small doses for mouth ulcers, sore throat (as gargle), and foot odor control.
  • Topical Applications: Included in anti-acne and deodorizing powders due to its antibacterial properties.

3. Food & Healthcare Ingredients 

  • Food Additive (E522): Used as a firming agent in pickles, baking powder formulation, and to maintain crispness in processed vegetables.
  • Clarifying Agent: Employed in sugar refining and brewing for clarification.

4. Pulp & Paper Solutions

  • Mordant in Dyeing: Essential for fixing natural dyes on cotton and silk during traditional fabric printing and dyeing.
  • Sizing Agent in Paper Manufacturing: Improves surface quality and ink receptivity of paper.

5. Personal Care

  • Natural Deodorant: Used in crystal deodorants for its antibacterial and sweat-reducing effects.
  • Skincare Products: Found in face masks and powders for oil control and skin tightening.

Specifications

Assay ≥ 99%
Appearance White crystalline powder
Odor Odorless
Boiling Point Decomposes before boiling (~92 °C loses water)
Melting Point ~ 92 °C (loses water, then decomposes)
Density 1.74 g/cm³
Solubility Soluble in water (14 g/100 mL at 20 °C), insoluble in alcohol
Viscosity Not typically relevant for solid powder
Flash Point Not applicable (non-flammable)

Hazard Symbols

Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of Alum powder in India?
The price of Alum powder can vary based on factors such as purity, metal content, and quantity. For the most accurate and competitive pricing, please contact us at +91.979 979 2121 directly for a customized quote tailored to your needs.

2. Where can I buy Alum powder in India?
You can purchase Alum powder from MULTICHEM, a leading importer with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across India. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Alum powder?
Our minimum order quantity (MOQ) for Alum powder is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product, which could range from 25 kg to 250 kg.

4. How can I ensure the quality of Alum powder supplied by Multichem?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.