Sodium Pyrosulfite 7681-57-4, China Sodium Pyrosulfite 7681-57-4 Manufacturers, China Sodium Pyrosulfite 7681-57-4 Suppliers

Sodium Pyrosulfite

Category :

Intermediates

EC NO : 231-673-0

Molecular Formula : Na₂S₂O₅

Main Specifications :

Synonyms : Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);

Molecular Structure:

Product description:

CAS No.: 7681-57-4

Application:
Industrial Uses
1. Water Treatment
2. Bleaching Agent

Food Preservative
1. Antimicrobial

Other Uses
1. Medicinal
2. Photographic and film industry
3. Landscape Gardening
4. Fiber Industry
5. Gold mining

Item	Quality Index
Item	Food Grade	Industry Grade
Purity ( As Na2S2O5)	98.0% min	96.0% min
Sulfur Dioxide( SO2)	65.0% min	65.0% min
Arsenic ( As )	0.0002% max	-
Heavy metals ( As Pb )	0.0005% max	-
Selenium (Se )	0.0005% max	-
Iron (Fe)	0.001% max	0.002% max
Water insoluble	0.02% max	0.05% max
PH value :	4.0-4.8	4.0-4.8

Send your inquiry to Sodium Pyrosulfite supplier

Company：	Zibo Aojin Chemical Co., Ltd.
Contact：	Ms.Zhang (General Manager)
Phone：	+86-533-2188606
Mobile phone：	+86-13518644321
Fax：	+86-533-2188606
E-mail：	Contact Supplier
Website：	http://www.aojinchem.cn
Address：	Zhangdian District, Zibo City, Shandong Province (Zibo New Materials Trading Center), China
Zip Code：	255022