Sodium aluminium sulfate

Sodium aluminium sulfate

Soda alum; Sodium alum; Aluminum sodium sulfate dodecahydrate; Sodium aluminium sulphate

CAS 10102-71-3

Chemical Formula NaAl(SO₄)₂ • 12H₂O

Molecular Weight 458.25 g/mol (dodecahydrate form)

Sodium aluminium sulfate, also known as soda alum, is a white, crystalline compound commonly used in the food and pharmaceutical industries. In baking, it functions as a leavening acid in baking powders, helping doughs and batters rise. It’s also used in water purification, paper manufacturing, and as a mordant in dyeing textiles. Additionally, sodium aluminium sulfate plays a role in the formulation of some cosmetics and antiperspirants.

Industrial Uses

1. Food & Healthcare

  • Leavening Agent in Baking Powders: Acts as a slow-reacting acid in double-acting baking powders, helping dough rise during baking.
  • Food Additive (E521): Used in small quantities as a firming agent and acidity regulator in food products like pickles and processed cheese.

2. Pharmaceuticals

  • Astringent and Antiseptic: Used in topical formulations for treating minor cuts, reducing irritation, and as a soothing agent.
  • Tablet Binder: Occasionally used in certain formulations as an excipient or binder.

Specifications

Assay Typically ≥ 98% (commercial grade)
Appearance White crystalline solid or powder
Odor Odorless
Boiling Point Decomposes before boiling
Melting Point ~61 °C (dodecahydrate loses water)
Density ~1.62 g/cm³ (for dodecahydrate)
Solubility Soluble in water, insoluble in alcohol
Viscosity Not applicable (solid); aqueous solutions have low viscosity
Flash Point Not applicable (non-flammable inorganic salt)

Hazard Symbols

Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of Sodium aluminium sulfate in India?
The price of Sodium aluminium sulfate can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.6301 00 6301 directly for a customized quote tailored to your needs.

2. Where can I buy Sodium aluminium sulfate in India?
You can purchase Sodium aluminium sulfate from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across global markets. 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 Sodium aluminium sulfate?
Our minimum order quantity (MOQ) for Sodium aluminium sulfate 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 250kg.

4. How can I ensure the quality of Sodium aluminium sulfate 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.