Sodium hydrosulfite

Post Date:
Feb 25,2014
Expiry Date:
Aug 24,2014
Detailed Description:
Cas No. :7775-14-6 Specs:90%
Molecular Formula: Na2S2O4
Molecular Weight: 174.10
CAS: 7775-14-6
HS: 2831.1010,
Hazard Calss: Class 4.2, 4.3 Spontaneously combustible substance
Property: Sodium hydrosulfite is a white crystalline powder with weak sulfurous odor. It is readily soluble in water, insoluble in alcohol.
Application: Widely used in printing and dyeing industry, can be used as a reducing agent for vat dyes, disperse dyes can be used to restore the clean, reactive dyes can be used for stripping color, silk, hair bleach, food bleaching agent, the depositary agent, antioxidant agents, preservation agents, bleaching of paper, industrial bleaching agent, processing, reducing agent, sulfonating agent.
Packing: Polyethylene film bag lined with double layer, 50kg/iron drum, 21MT/1x20'FCL.
CAS Registry Number:
7775-14-6
Synonyms:
;Sodium dithionite hydrate;Sodium hydrosulphite;Sodium dithionite;disodium dithionite;
Molecular Formula:
Na₂O₄S₂
Molecular Weight:
174.1071
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
Risk Codes:
R22:;
R31:;
R7:;
Safety Description:
S26:;
S28A:;
S43E:;
S7/8:;

Offter to Sell