Ammonium thioglycolate

C2H7NO2SCAS 5421-46-5109.14 g/mol

NH3OHOSH
Carboxylic acidThiol

Properties

Molecular formula
C2H7NO2S
Molar mass
109.14 g/mol
Exact mass
109.0197 Da
Density
1.205 g/mL (at 20 °C)
Melting point
139–139.5 °C
pKa
3.55 (25 °C), 10.22 (25 °C)
Water solubility
miscible
logP
0.16Crippen estimate
Polar surface area
72.3 Ų
H-bond donors / acceptors
3 / 3
Rotatable bonds
1

Hazards

Danger
Corrosive (GHS05)Acute Toxic (GHS06)Irritant (GHS07)

Aggregated from 133 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P234, P261, P264, P270, P272, P273, P280, P301+P316, P302+P352, P321, P330, P333+P317, P362+P364, P390, P405, P406, P501

Identifiers

CAS number
5421-46-5
SMILES
N.O=C(O)CS
InChIKey
ZZTCCAPMZLDHFM-UHFFFAOYSA-N
InChI
InChI=1S/C2H4O2S.H3N/c3-2(4)1-5;/h5H,1H2,(H,3,4);1H3

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Names and synonyms

6 names
  • Acetic acid, 2-mercapto-, ammonium salt (1:1)
  • Acetic acid, mercapto-, monoammonium salt
  • Ammonium mercaptoacetate
  • Ammonium thioglycollate
  • Thioglycolic acid ammonium salt
  • Thiofaco A-50

Work with Ammonium thioglycolate

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Same formula

Elsewhere