Welcome to Linyi Kemele Co., Ltd
Welcome to Linyi Kemele Co., Ltd
Current position: Home > Linyi Kemele Co., Ltd > Sodium Sulphite
Synonyms ：natriumsulfid；natriumsulfit；natriisulphis；Sodium sulfite；Sodium sulphite；disodiumsulfite；natriumsulfurosum；anhydroussodiumsulfite；exsiccatedsodiumsulfite
CAS NO. : 7757-83-7
EINECS : 231-821-4
Molecular Formula : Na2O3S
Molar Mass : 126.04
Melting Point : 500 °C
Properties : colorless monoclinic crystals. Soluble in water, its aqueous solution is alkaline reaction. Insoluble in ethanol. In air stroke and oxidation to sodium sulfate.
Specification(HG/T 2967-2010):
|
ltem |
Index |
||
|
Superior quality |
First class |
Qualified |
|
|
Sodium sulfite(Na₂SO₃),%≥ |
98 |
97 |
96 |
|
lron(Fe),%≤ |
0.003 |
0.003 |
0.005 |
|
Water-insoluble,%≤ |
0.01 |
0.02 |
0.03 |
|
Free alkali(Na₂SO₃),%≤ |
0.001 |
0.1 |
0.4 |
|
Sodium sulfate(Na₂SO₃),%≤ |
1.2 |
2.5 |
2.5 |
|
Sodium chloride(NaCl),%≤ |
0.003 |
0.1 |
0.1 |
Applications and Usages: For artificial fiber stabilizer, fabric bleaching agent, photographic developer, dyeing and deoxidizing agent, perfume and dye reducing agent, paper lignin removal agent
Packing: 25 kg/woven bag / ton bag,or as per request.
PIC：Yan Zhuo
Email：km11@kmchem.com
WhatsApp/Mobile：+86 15505390359