Sodium Sulphide AR 500Gram CDH

PRODUCT CODE 646665
SYNONYMS --
C.I. NO. --
CASR NO. (27610-45-3)
Na2S.XH2O
ATOMIC OR MOLECULAR FORMULA Na2S.XH2O
ATOMIC OR MOLECULAR WEIGHT 78.04
PROPERTIES Air Sensitive, Light Sensitive, Hygroscopic

PARAMETER LIMIT
Description Yellow deliquescent crystalline flakes, which becomes brown /grey on storage.
Solubility 10% solution in water is clear and bright
Assay (Na2S, Oxidimetric ) About 60.0%

MAXIMUM LIMIT OF IMPURITIES
Water insoluble matter Passes test
Nitrogen compounds (N) 0.005%
Sulphite (SO3) 0.1%
Thiosulphate (S2O3) 0.5%