Anhydrous sodium sulfite

Model:	A Class
Brand:	Bochaung
Origin:	Made In China
Category:	Chemicals / Inorganic Chemical Materials / Inorganic Salt
Label:	Anhydrous sodium sul
Price:	US $310 / ton
Min. Order:	20 ton

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Product Description

Quick Details

Classification: Sulphate

Type: Sodium Sulfite

Other name:Sodium Sulfite

Appearance:White crytal powder

Brand Name:Bochaung

Place of Origin: Weifang,China (Mainland)

Grade Standard: Food Grade, Industrial Grade

Purity:96,98%
CAS no.:7757-83-7

HS CODE: 2832100000

EINECS No.: 231-821-4
MF:Na2SO3

Packaging :

Sodium sulfite is packed in net weight 50kg plastic woven bag with plastic inner bag.

Application: Used in Dyeing and printing Industry etc.

(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.

(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.

(3) Photo Grade: In the photographic industry as component of developer bath.

(4) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone

Storage

Sodium sulfite should be stored in a dry and cool place.

7.Speicificaion

Specification for Industry Grade and Food Grade :

Item	Quality Index
Item	Industry Grade	Food Grade
Purity ( As Na2SO3)	96.0% min	98.0% min
Sodium sulphate ( SO4)	2.0% max	1.0% max
Chlorides ( As NaCL)	0.5% max	0.1% max
Arsenic ( As )	-	0.0002% max
Heavy metals ( As Pb )	-	0.0005% max
Iron (Fe)	0.005% max	0.002% max
Water insolubles	0.05% max	0.02% max