Semicarbazide

CH5N3OCAS 57-56-775.07 g/mol

NH2ONHNH2
Primary amine

Properties

Molecular formula
CH5N3O
Molar mass
75.07 g/mol
Exact mass
75.0433 Da
Melting point
243 °C
logP
-1.06Crippen estimate
Polar surface area
82.1 Ų
H-bond donors / acceptors
4 / 2
Rotatable bonds
0

Hazards

Danger
Acute Toxic (GHS06)Irritant (GHS07)

Aggregated from 76 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
57-56-7
SMILES
N=C(O)NN
InChIKey
DUIOPKIIICUYRZ-UHFFFAOYSA-N
InChI
InChI=1S/CH5N3O/c2-1(5)4-3/h3H2,(H3,2,4,5)

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

9 names
  • Hydrazinecarboxamide
  • Isosemicarbazide
  • Carbamic acid, hydrazide
  • Carbazamide
  • Urea, amino-
  • Hydrazine, (aminocarbonyl)-
  • Carbazimidic acid
  • Carbamylhydrazine
  • Aminourea

Work with Semicarbazide

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.

Elsewhere