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Sodium sulfite anhydrous

Category : Inorganic chemicals
CAS NO : 7577-83-7          EC NO : 231-821-4
MF : Na2SO3
Main Specifications :
Synonyms : Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;
Sodium sulfite anhydrous
Molecular Structure:Sodium sulfite anhydrous 7577-83-7
Product description:

 

Product Name:

Sodium sulfite anhydrous

CAS NO:

7577-83-7

Molecular Formula:

Na2SO3

Specifications

Item

Grade

Best quality

First quality

Qualifier

Sodium sulfite (Na2SO3) Assay, %

≥ 97.0

≥ 96.0

≥ 93.0

Fe, %

≤ 0.003

≤ 0.005

≤ 0.02

Insol. in water, %

≤ 0.02

≤ 0.03

≤ 0.05

Free alkali (Na2SO3) Assay, %

≤ 0.10

≤ 0.40

≤ 0.80

Sulphate (Na2SO4) Assay, %

≤ 2.5

Chlorides (NaCl) Assay, %

≤ 0.10

 

Packing:

25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.

Specifications:

white crystal or powder; pH of aqueous solution: 9-9.5, At 33.4oC,it solubility is 28%. Density: 2.633(15.4oC), refracitive index: 1.565; Molecular weight126.04.
H.S code: 283210

Use:

Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries.

Contact us
Address:
No.18 Lianmeng Road, Houzhen project area ,Shouguang City Shandong Province, China.
Zip Code:
262724
Contact:
  Mr Li
Phone:
+86-532-80934385
Fax:
+86-532-5337000
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+86-15853656855 18853691103
Website:
www.sdhailanchem.com
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sales@sdhailanchem.com

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