Sodium metabisulfite
 Molecular formula : Na2S2O5
Molecular weight : 190.10
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.
Quality standard : GB1893-1998
Item |
Company standard |
| Assay ( as Na2S2O5 ) % ≥ |
95.0 |
| Fe % ≤ |
0.005 |
| Clarity |
clear |
| Heavy metal (Pb)% ≤ |
0.001 |
| As % ≤ |
0.0002 |
Packing : External packing is PP woven bag, Internal packing is PE bag, the thickness ≥0.05mm. There are "food additives Sodium metabisulfite" printed on the external packing, with the sign of "Avoid moisture and heat". The trademark is "Xianwang" .
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.
Company : Hunan Yueyang Sanxiang Chemical Co., Ltd.
Address : Qilishan community, Yueyang, Hunan, China
Tel : +86-730-8555768
Fax :+86-730-8555728
Contact :13907300718 (Ms. Xie), 15873093368 (Mr. Yang)
,13469239119 ( Mr. Wang) |
