Sodium metabisulphite

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.

Company standard
Assay ( as Na2S2O5 ) % °›
Fe % °‹
Heavy metal (Pb)% °‹
As % °‹

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.

Copyright © 2006-2010Changsha May Chemis Co.,Ltd.
Tel:86-731-84423162,84424162,84425162 Fax:86-731-84429162 E-mail£ļ Designer£ļ