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Sodium thiosulfate

Catalog No. 72049 Name Sigma Aldrich
CAS Number 7772-98-7 Website http://www.sigmaaldrich.com
M. F. Na2O3S2 Telephone 1-800-521-8956
M. W. 158.10774 Fax
Purity ≥98.0% (RT) Email
Storage Chembase ID: 129567

SYNONYMS

Title
硫代硫酸钠
IUPAC name
disodium 1-oxo-1λ6-disulfene-1,1-bis(olate)
IUPAC Traditional name
disodium hypo

DATABASE IDS

EC Number 231-867-5
CAS Number 7772-98-7
MDL Number MFCD00003499
PubChem SID 24886350

PROPERTIES

Antion Traces sulfide (S2-): ≤50 mg/kg
Cation Traces Ca: ≤50 mg/kg
Cation Traces Cd: ≤50 mg/kg
Cation Traces Co: ≤50 mg/kg
Cation Traces Cu: ≤50 mg/kg
Cation Traces Fe: ≤50 mg/kg
Cation Traces K: ≤500 mg/kg
Cation Traces Ni: ≤50 mg/kg
Cation Traces Pb: ≤50 mg/kg
Cation Traces Zn: ≤50 mg/kg
Grade purum p.a.
Linear Formula Na2S2O3
Purity ≥98.0% (RT)
pH 6.0-8.5 (25 °C, 50 mg/mL in H2O)
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS XN6476000
German water hazard class 1

DETAILS

REFERENCES