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Sodium Sulfite

Sodium Sulfite

Category :

Organic chemicals and Derivatives

CAS NO : 7757-83-7
EC NO : 231-821-4
Molecular Formula : Na2SO3
Main Specifications :
Synonyms : Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;
Sodium Sulfite
Molecular Structure:Sodium Sulfite 7757-83-7
Product description:

Formula: Na2S03

Properties: Sodium sulfite is a reducing agent soluble in water. Its solution in water is basic. It is feeble solution in liquid chlorine or ammonia.

Usage: It is used as a desoxydating or bleaching agent for printing and dyeing industry, as a developer for photographic industry; as a lignin-removing agent for paper industry, as a stablilzer for synthetic fiber for textile industry, as a reducing agent for chemical industry, or for electroplating industry etc.

Executive: standard HG/T 2967-2000 <>

Package and storage: Plastic film-lined PP woven bag, net weight per bag: 25kg or 50kg. Not allowed in a room with any oxidant or strong acid, and keep away from sunlight and humidity during its transportation. No more than a half year from ex-factory date.

Items

Norms

Superior grade

First grade

Qualified grade

Na2S03

97.0

96.0

93.0

Fe ≤

0.003

0.005

0.02

Water-insoluble matter ≤

0.02

0.03

0.05

Free alkali (as Na2C03

0.10

0.40

0.80

Na2S04

2.5

--

--

NaCl ≤

0.10

--

--

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Company:
   Laizhou Haixin Chemical Co.,Ltd.
Contact:
   Mr.Zhang
Phone:
+86-535-2839087 13805325229
Mobile phone:
+86-13805325229
Fax:
+86-535-2839378
E-mail:
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Website:
http://www.lzhxchem.com
Address:
Tushan township industrial park, Laizhou, Shandong
Zip Code:
261413
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