Sodium Sulphite BP Ph Eur IP Sodium Sulfite Pure & USP NF Analytical Reagent FCC Food Grade Suppliers Exporters, CAS 7757-83-7 |
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MSDS of Sodium Sulfite Sodium Sulphite BP USP NF IP Analytical Reagent FCC Food grade Manufacturers
Sodium Sulfite
Pure Sodium Sulphite
Also IP BP Ph Eur USP-NF Reagent FCC Food Grades
Specifications of Sodium Sulphite Heptahydrate BP Ph Eur
Sodium Sulfite BP
Action and use
Antioxidant.
DEFINITION
Content
48.0 per cent to 52.5 per cent of Na2SO3.
CHARACTERS
Appearance
Colourless crystals.
Solubility
Freely soluble in water, very slightly soluble in ethanol (96 per cent).
IDENTIFICATION
A. Solution S (see Tests) is slightly alkaline.
B. To 5 ml of solution S add 0.5 ml of 0.05 M iodine. The solution is colourless and gives reaction of sulphates.
C. Solution S gives reaction (a) of sodium (2.3.1).
D. It complies with the limits of the assay.
TESTS
Meets all the tests for Specifications of Sodium Sulphite Heptahydrate BP Ph Eur mongograph.
Sodium Sulfite USP NF
Na2SO3 -- 126.0 CAS 7757-83-7
Sodium Sulfite USP NF
Contains not less than 95.0 percent and not more than 100.5 percent of Na2SO3
Identification—
A: Dissolve 5 g of in 100 mL of water. [NOTE—Reserve portions of the solution so obtained for use in Identification test B and in the test for Color and clarity of solution.] Add a drop of phenolphthalein TS: a pink color is produced.
B: To 5 mL of the solution from Identification test A, add 0.5 mL of iodine TS: the solution is colorless, and it meets the requirements of the barium chloride test for Sulfate.
C: It meets the requirements of the pyroantimonate precipitate test for Sodium.
TESTS
Meets all the tests for Specifications of Sodium Sulfite USP NF mongograph.
Sodium Sulfite FCC Food Grade
Na2SO3 Formula weight 126.04
INS: 221 CAS 7757-83-7
DESCRIPTION
It occurs as a white or tan to slightly pink powder. It undergoes oxidation in air. Its solutions are alkaline to litmus and to phenolphthalein. One gram dissolves in about 4 mL of water. It is sparingly soluble in alcohol.
Function: Preservative; antioxidant; bleaching agent.
TESTS
Meets all the tests for Specifications of Sodium Sulfite FCC Food Grade mongograph.
Sodium Sulfite Anhydrous Analytical Reagent
Sodium Sulfite
Sodium Sulfite Anhydrous
Na2SO3
Formula Weight 126.04
CAS Number 7757-83-7
REQUIREMENTS
| Assay | min. 98.0% Na2SO3 |
TESTS
Meets all the tests for Specifications of Anhydrous Analytical Reagent mongograph.
Sodium Sulphite BP Ph Eur Sodium Sulfite USP NF Analytical Reagent FCC Food grade Manufacturers at:
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Chemicals Suppliers, API and Excipient Suppliers, Toll manufacturing & Warehouse at Houston & Midland, Texas, USA and India
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