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CONTACT US
Company: Choice Chemicals Ltd.
Address: Centre of City, No.235 Wuyi Road, Furong District, Changsha, Hunan Province 410011, P.R.China
Fax: 0086 731 89878447
E-mail: info@choice-chem.com
Sodium Metabisulfite
Information
|
Appearance |
White or yellowish crystalline powder |
|
CAS No. |
7681-57-4 |
|
EINECS |
231-673-0 |
|
H.S.CODE |
2832100000 |
|
Molecular Formula |
Na2S2O5 |
Quality Standard
|
Item |
Industrial Grade |
Food Grade |
High Purity Grade |
Medical Grade |
|
Main content(Na2S2O5),% |
≥96.5 |
≥97 |
≥98 |
≥98 |
|
Iron(as content Fe),% |
≤0.005 |
≤0.0015 |
≤0.001 |
≤0.0005 |
|
Clarity |
Clear |
Clear |
Clear |
Clear |
|
Water-Insoluble |
≤0.05 |
≤0.02 |
≤0.01 |
≤0.005 |
|
Heavy metal content (Pb),% |
- |
≤0.0002 |
≤0.0005 |
≤0.0005 |
|
Arsenic content (As),% |
≤0.0001 |
≤0.0001 |
≤0.0001 |
≤0.0005 |
|
NaCl content,% |
— |
— |
— |
≤0.010 |
|
PH |
4.2-4.8 |
|||
Application
- Bleach agent(e.g.Candies,cake,bamboo shoots,etc);loose agent(e.g.bread,cracker etc);
- Inhibitor and freshen agent(e.g.day lily,seafood,fruit and vegetable etc);
- Antiseptic and germicide(e.g.fruit juice,tinned food etc).
Packaging & Transportation
Packing: PP/PE bag.
Net weight:25kg / 50kg / 1000kg / 1200kg / 1250kg / 1350kg per bag.
