Na2so3 CAS 7757-83-7 Price Anhydrous Sodium Sulphite Sodium Sulfite

• CAS No.: 7757-83-7
• Formula: Na2so3
• EINECS: 231-821-4
• Certification: CCIC, CIQ, RoHS, ISO
• Purity: 90%~99%
• Type: Sodium Sulfite
• Model NO.: Sodium Sulphite 92% 96% 97%
• Appearance: Powder
• Grade Standard: Food Grade
• Delivery Time: 7 Days
• Shipment: 14 Days
• Transport Package: 25kgs Bag, Ton Bags
• Specification: 92% 96% 97%
• Trademark: okay
• Origin: China
• HS Code: 2832100000
• Production Capacity: 100000mt/Year

Product Description

is mainly used as reduction agent. Furthermore, it is ideal for the bleaching of vegetable fibers and textile, for the production of solutions, which are used in the developing of photos and films as well as for the treatment of tanning agents in dyeing of textiles. ChoiceChem offers different sodium metabisulfite grades, all meeting highest quality standards.

Product Information

CAS RN.:	7681-57-4
EINECS:	231-673-0
H.S.CODE:	2832.1000.00

Chemical Analysis

 

Component	Industrial Grade	Food Grade	High Purity Grade
Appearance	White or yellowish crystalline powder
Assay(Na2S2O5 )	96.5%min	97%min	98%min
water insoluble matter	0.05%max	0.03%max	0.02%max
Iron content(Fe)	0.005%max	0.003%max	0.002%max
(As)	0.0001%max	0.0001%max	0.0001%max
Pb	0.0005%max	0.0005%max	0.0003%max

what is sodium sulfite

 

widely used in bleaching, glass, paper making, tanning, metal smelting, surface treatment and filler industries.
It is aslo Used in chemical industry as material of manufaturing sodium sul phide,sodium silicate and other chemical products.

  Function of sodium sulfite

widely used in bleaching, glass, paper making, tanning, metal smelting, surface treatment and filler industries. It is aslo Used in chemical industry as material of manufaturing sodium sul phide,sodium silicate and other chemical products.

 

  Application of sodium sulfite

Bleaching agent for textiles. Dechlorination agent for Bleached textiles. Bleaching agent
for paper pulps. Bactericide and antiseptic in food industries. Disposal agent for waste water,etc