Manufacturers Price Wholesale Sodium Sulfite Anhydrous

• CAS No.: 7757-83-7
• Formula: Na2so3
• EINECS: 231-821-4
• Model NO.: Industrial Grade
• Certification: CCIC, CIQ, RoHS, ISO
• Purity: 90%~99%
• Type: Sodium Sulfite
• 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

 

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