Specification of Ammonium Thiosulfate Pure

Product name:Ammonium Thiosulfate Pure
CAS: 7783-18-8
Molecular Formula: H8N2O3S2
Molecular weight:148.21 g/mol
Description of Ammonium Thiosulfate Pure:
Synonym :Ammonium hyposulfite, (NH4)2S2O3
HS-No.: 28323000
EC-No.: 231-982-0
Specification: 
Assay (titr.): 88 - 92 %
pH (10 %; H2O) :6.0 - 7.0
Sodium sulfite :max. 0.001 %
Sodium thiosulfate :8 - 12 %
Water :max. 0.3 %
Fe :max. 0.001 %
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