Sodium Metabisulfite_SHANDONG RISING INTERNATIONAL TRADE CO., LTD.

Product name: Sodium metabisulfite

CAS number: 7681-57-4

EINECE number: 231-673-0

Other name: sodium pyrosulfite;disodiummetabisulfite; disodiumpyrosulphite;

HS CODE: 28321000

Molecular Formula: Na2S2O5

Molecular weight: 190.09

Appearance: White crystal powder

Product Properties

White gravel or powder crystal, relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform, solasulfone and Benzaldehyde in medical industry
Packing

25kg 500kg 1000kg PP /PE or woven bag, or by request of clients.
Transport 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.
Application

(1) Mordant of printing and dyeing
(2) Dechlorinate of textil affer bleaching
(3) Sulphonated agent and reducer of chemical industry and pharmacy
(4) Bleach of paper pulp, bamboo and timber bleach of stapk
(5) Mineral-dressing of nonferrous metals
(6) Treatment agent of waste water
(7) Rubber solidifying agent
Specification List

Item
Index
Appearance
White crystal powder
Main content( as Na2SO3)%≥
97.00
Fe% ≤
0.003
Heavy metal (as Pb) % ≤
0.0005
As%
0.0001
Clarity
Clarity

Sodium Metabisulfite