|
Items |
Specifications |
|
Content (as Na2S2O5) , %¡Ý |
97.5 |
|
Iron (as Fe) , %¡Ü |
0.001 |
|
Clarify degree |
Clearly |
|
Heavy metals (as Pb) , %¡Ü |
0.001 |
|
Arsenic (as As) , %¡Ü |
0.0002 |
Detailed introduction :
Synonyms: sodium pyrosulfite
Molecular Formula: Na2S2O5
Cas No.: 7681-57-4
HS Code: 28331900
Properties: White or yellow crystalline powder or crystal with strong SO2 smell, specific gravity: 1.4,soluble in water, aqueous solution appears acid. It can release SO2 when met with strong acids. It will be oxidized into Na2SO4 when in the air.
Applications:
It is mainly used as bleaching agent of food
Packing: 25kg in net PP bag, 20mts in the 20'FCL
SHIJIAZHUANG LANYANG CHEMICALS CO.,LTD. TEL:86-0311-83808069 E-mail:lychemi@vip.tom.com
