Ammonium thiosulphate
  • CAS Number 7783-18-8
  • Catalog Number io-58098
  • Classification Salts
  • Molecular Weight 148.2100
  • SMILES [NH4+].[NH4+].[O-]S(=O)(=S)[O-]
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Ammonium thiosulfate is an inorganic ammonium salt composed of ammonium and thiosulfate ions in a 2:1 ratio. It is used in the leaching of gold and silver, as a fertilizer and as a photographic fixing salt. It has a role as a fertilizer, a herbicide safener, a bleaching agent and a reducing agent. It contains a thiosulfate(2-).

1 Ammonium thiosulphate
2 Diammonium thiosulfate
3 Thio-Sul
4 Ammonium hyposulfite
5 Ammo hypo
Molecular Formula H8N2O3S2
Canonical SMILES [NH4+].[NH4+].[O-]S(=O)(=S)[O-]
Isomeric SMILES [NH4+].[NH4+].[O-]S(=O)(=S)[O-]
Molecular Weight 148.2100
InChIKey XYXNTHIYBIDHGM-UHFFFAOYSA-N
InChI InChI=1S/2H3N.H2O3S2/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
XLogP 0.0000
ExactMass 147.9976
MonoisotopicMass 147.9976
TPSA 106.0000
Complexity 82.0000
Charge 0.0000
HBondDonorCount 2
HBondAcceptorCount 4
RotatableBondCount 0
HeavyAtomCount 7
IsotopeAtomCount 0
AtomStereoCount 0
DefinedAtomStereoCount 0
UndefinedAtomStereoCount 0
BondStereoCount 0
DefinedBondStereoCount 0
UndefinedBondStereoCount 0
CovalentUnitCount 3
PatentCount 27964
PatentFamilyCount 18126
LiteratureCount 138