- Organic Intermediate[9]
- Chemical Auxiliary Agent[7]
- Other Organic Chemical[4]
- Catalyst[2]
- Amine[2]
- Halide ( Except Chloride )[5]
- Organic Salt[2]
- Carbonate[4]
- Alkali[7]
- Dyestuffs[1]
- Carbonless Paper[10]
- Sulphate[10]
- Pigment[4]
- Chloride[10]
- Organic Acid[2]
- Feed Additives[2]
- Oxide[1]
- Nitrate[1]
- Water Treatment[3]
- Contact Person : Mr. Yuan Tom
- Company Name : Weifang Haibin Chemical Co., Ltd.
- Tel : 86-536-5330248
- Fax : 86-536-5330248
- Address : Shandong,Weifang,Xinxing Industrial Park, Binhai Development Zone, Weifang
- Country/Region : China
- Zip : 262737
Sodium Metabisulfite
sodium metabisulphite tech grade 97% is white crystal
Molecular formula Na2S2O5
Molecular weight 190.10
CAS NUMBER 7681-57-4
Appearance white or light yellow crystalline powder , relative density is 1.4 .
Uses: It can be used as the material of medicine, or used as curing agent of rubber; It also
can be used as dechlorinating agent and scouring agent of textile; It also can be used in the
process of leather Moreover, it can be used as the material of fine chemicals, or used as
developer; In food industry, It can be used as bleaching agent, loosening agent, antisepsis
bactericide and antioxygen antistaling agent.
ITEM | SPECIFICATION | TEST RESULT |
PURITY(AS Na2S2O5 ): | 97.0%MIN | 97.3% |
SULFUR DIOXIDE(SO2): | 65.0%MIN | 65.50% |
ARSENIC(As) : | 0.0002%MAX | 0.00008% |
SELENIUM(Se) : | 0.0005%MAX | 0.00007% |
HEAVY METALS(As Pb): | 0.0005%MAX | 0.0003% |
WATER INSOLUBLE: | 0.02%MAX | 0.01% |
IRON(Fe): | 0.002%MAX | 0.0012% |
PH VALUE: | 4.0-4.8 | 4.4 |
Packing External packing is PP woven bag, Internal packing is PE bag, the thickness ≥0.05mm.
Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No
mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It
should be transported by clean car, with covering matter, avoid raining.
Netwt. 25kg, 50kg, 1000kg/bag.
Sodium Metabisulfite
