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Sodium Sulfide Nonahydrate
CAS Number: 1313-84-4 for Nonahydrate (1313-82-2 for Anhydrous)
Molecular Formula: Na2S-9H2O
Molecular Weight: 240.18
Sodium Sulfide Nonahydrate
Sodium Sulfide USP Grade Specifications
Na2S.9H2O 240.18
Sodium sulfide nonahydrate.
Disodium sulfide nonahydrate CAS 1313-84-4
Sodium Sulfide contains not less than 98.0 percent and not more than 103.0 percent of Na2S.9H2O.
Identification: [NOTE—Conduct this test in a fume hood.] Transfer about 100 mg of Sodium Sulfide, to a suitable container, add 10 mL of 3 N hydrochloric acid, and cover the top of the container with filter paper saturated with a 0.2 M lead acetate solution: a brownish or silvery-black color forms on the paper.
Limit of iron: Dissolve about 5.0 g in 100 mL of water: the solution is clear and colorless.
Limit of sulfite and thiosulfate: Dissolve 3.0 g in 200.0 mL of filtered and degassed water. Add 100.0 mL of 0.2 N zinc sulfate, mix, and allow to stand for 30 minutes. Filter, add 1 mL of starch, and titrate 100.0 mL of the filtrate with 0.01 N iodine: not more than 3.0 mL is required.
Sodium Sulfide Nonahydrate Analytical Reagent Grade
Na2S-9H2O --- Formula Weight 240.18
CAS Number 1313-84-4
NOTE: To enhance stability, storage below 10C is recommended.
REQUIREMENTS
Appearance: Crystals, colorless or with only a slight yellow color
Assay: 98.0% Na2S-9H2O
MAXIMUM ALLOWABLE
Ammonium (NH4): 0.005%
Sulfite and thiosulfate (as SO4): 0.1%
Iron: Passes test.
Please visit SDS Safety Data Sheet of Sodium Sulfide Nonahydrate Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
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