SPECIFICATION

STANDARD

Appearance

White crystal powder

Main content( as Na2SO3)

97% max.

Fe

0.003% max.

Heavy metal (as Pb)

0.0005% max.

As

0.0001% max.

Chemical Name

Sodium Metabisulphite

CAS Number

7681-57-4

EINECS No.

231-673-0

H.S. Code

28321000

Molecular Formula

Na2S2O5

Appearance

White Crystal Powder

Packing

25kg or 1000Kg bags

Application

1.Mordant of printing and dyeing

2.Dechlorinate of textile after bleaching

3.Sulphonated agent and reducer of chemical industry and pharmacy

4.Bleach of paper pulp, bamboo and timber bleach

5.Mineral-dressing of nonferrous metals

6.Treatment agent of waste water

7.Rubber solidifying agent

Loading Quantity

27MT/20’FCL

Handle & Storage

When transported, it should be in a clean, clean, covered wagon or boat.

Should be stored in a dry, clean, ventilated warehouse, not in the open air.