- Organic Acid[1]
- Organic Salt[1]
- Chemical Auxiliary Agent[4]
- Food Additives[10]
- Alkali[1]
- Inorganic Acids[5]
- Carbonate[9]
- Chloride[5]
- Nitrate[1]
- Other Inorganic Salts[2]
- Silicate[2]
- Sulfide[3]
- Sulphate[7]
- Other Inorganic Chemicals[3]
- Oxide[5]
- Other Chemicals[1]
- Metal Building Materials[1]
- Other Energy Related Products[5]
- Abrasives[4]
- Ceramics[2]
- Graphite Powder[10]
- Other Graphite Products[3]
- Other Non-Metallic Mineral Deposit[1]
- Talc[1]
- Other Metals & Metal Products[3]
- Other Non-Metallic Minerals & Products[9]
- Refractory[10]
Anhydrous Sodium Sulfite
1.Anhydrous Sodium Sulfite(Na2So3)
2.Purity:96%,97%
3.Quality Guaranteed
4.Competitive price
5.Large and stable Quantity
Molecular Formula: Na2SO3
Molecular Weight: 126.04
CAS No. : 7757-83-7
Synonym: disodium sulfite; disodium salt; exsiccated sodium sulfite
Molecular Formula: Na2SO3
Molecular Weight: 126.04
CAS No. : 7757-83-7
Property: White crystal powder, Specific gravity: 2.633, Melting point: 150.
It soluble in water, lightly soluble in alcohol. Water solution appears light alkalinity, it decomposition when heated, and has reduction role.
Specification:
Na2SO3 | 96.0% Min | 97% Min |
| Fe | 0.005% Max | 0.003% Max |
Water Insoluble Matter | 0.03% Max | 0.02% Max |
Free alkali (as sodium carbonate) | 0.4% Max | 0.10% Max |
Packing: Net each in 25kg plastic woven bag, lined with PE bag.
Usage: It is mainly used for the industry of dyeing, medicine, leather making, paper making, chemical fiber, film, photographing, food, etc.
