Sodium Sulfide
Molecular Formula:Na2S·9H2O Molecular Weight:240.18 g/mol CAS NO.:1313-84-4
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Test
Specification…USP
Appearance
Hygroscopic solid
Solubility
Soluble in water, insoluble in ether, slightly soluble in alcohol
Iron
Specified test. The solution is clear and colorless.
Sulfite and thiosulfate
Specified test
Residual solvent
Meets the requirement
Assay
Not less than 98.0% and not more than 103.0%