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Sodium sulfite anhydrous food grade
Sodium sulfite anhydrous food grade
Supplier Info
[China Supplier]
Contact Person : Ms. Yuan Catherine
Tel : 86-22-58058718
Fax : 86-22-26200520
Product Detail
sodium sulfite molecular formula: Na2SO3 CAS: 7757-83-7 Appearance:Colorless crystal or powder

sodium sulfite

Properties:

Clarify degrees test colorless, single inclined crystals or powder. For the eyes, skin and mucous membrane is irritant, can pollute the water. By the high produce poisonous sulfide decomposition smoke.

Use:

Industrial mainly used in making sulfite cellulose esters, glucosinolate and sodium, organic chemicals, bleached fabrics etc, also used as reductant, preservative, to chlorine agent.

Details:

Test item

Specification

Reagent grade

Pharmaceutical grade

Appearance

Conform

Conform

Assay /%

≥97.0

≥95.0

Clarify degrees test

Conform

Conform

Water insoluble /%

≤0.005

≤0.01

Acidic sulphite (NaHSO3)

Conform

Conform

Free alkali (Na2CO3)/%

≤0.1

≤0.3

Chloride (Cl)/%

≤0.005

≤0.02

Glucosinolate and sulphate (S2O3)/%

≤0.01

≤0.02

Arsenic  (As) /%

≤0.0001

≤0.0005

Ferric (Fe)/%

≤0.0005

≤0.002

Heavy metal (Pb)/%

≤0.001

≤0.002

We supply reagent grade food grade industrial grade. If you are interested in our products please contact me.

 

Sodium sulfite anhydrous food grade

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