Sodium sulphate anhydrous is a white, free-flowing powder used as a filler in powder detergents, in the kraft pulping process, as a fining agent in glass making, and as a levelling agent in textile dyeing.
Moreva Export supplies Grade A sodium sulphate anhydrous with a minimum 99% assay on dry basis. It is fully soluble in water, has no odour and contains no organic impurities.
1Product information
| Chemical name | Sodium Sulphate Anhydrous |
|---|---|
| Chemical formula | Na2SO4 |
| CAS No. | 7757-82-6 |
| HS code | 2833 11 00 |
| Appearance | White free-flowing powder |
| Grade | Grade A, 99% |
| Molecular weight | 142.04 g/mol |
| Packaging | 25 / 50 kg bags, jumbo bags |
2Typical technical specifications
| Parameter | Specification |
|---|---|
| Product name | Sodium Sulphate (Grade A) |
| Assay % w/w (on dry basis) | 99.00 % min |
| Nature | White fine free-flowing powder |
| Physical appearance | White |
| Identification | Complies |
| Odour | No smell |
| 1% solubility | 100% soluble in water |
| pH (10% solution) | 8.5 |
| Moisture | 0.2 % |
| Other organic impurities | Nil |
3Applications of Sodium Sulphate Anhydrous
Detergents
The main filler and processing aid in powder detergents, helping the powder stay free-flowing.
Paper & pulp
Used in the kraft pulping process, where it is converted to sodium sulphide for cooking wood chips.
Glass making
A fining agent that removes small air bubbles from molten glass.
Textile industries
A levelling agent that helps direct and reactive dyes take up evenly on cotton.
4Packaging & handling
| Form | Export packaging |
|---|---|
| Powder | 25 kg bags, 50 kg bags, jumbo bags |
Store in a dry place. The anhydrous form absorbs moisture from air, so bags are kept sealed until use.
5Technical documents
Documents are sent by email for the exact grade and lot you are quoting.
Sodium Sulphate Anhydrous: frequently asked questions
What is the HS code for sodium sulphate anhydrous?
Sodium sulphate anhydrous from India is exported under HS code 2833 11 00. Its CAS number is 7757-82-6.
What purity is your sodium sulphate?
Grade A with a minimum assay of 99.00% w/w on dry basis, 0.2% moisture and no organic impurities.
What is the difference between anhydrous and decahydrate sodium sulphate?
The anhydrous form contains no water of crystallisation, so it delivers more sodium sulphate per tonne. The decahydrate (Glauber's salt) contains about 56% water.
Which packaging is available?
25 kg bags, 50 kg bags and jumbo bags.
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