Propiolic acid

C3H2O2CAS 471-25-070.05 g/mol

OOH
AlkyneCarboxylic acid

Properties

Molecular formula
C3H2O2
Molar mass
70.05 g/mol
Exact mass
70.0055 Da
Density
1.1435 g/mL (at 15 °C)
Melting point
9 °C
Boiling point
57 °C
Flash point
58 °C (closed cup)
Water solubility
miscible
logP
-0.30Crippen estimate
Polar surface area
37.3 Ų
H-bond donors / acceptors
1 / 1
Rotatable bonds
0

Hazards

Danger
Flammable (GHS02)Corrosive (GHS05)Acute Toxic (GHS06)

Aggregated from 49 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P210, P233, P240, P241, P242, P243, P260, P262, P264, P270, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P330, P361+P364, P363, P370+P378, P403+P235, P405, P501

Identifiers

CAS number
471-25-0
SMILES
C#CC(=O)O
InChIKey
UORVCLMRJXCDCP-UHFFFAOYSA-N
InChI
InChI=1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)

Weigh it out

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

Names and synonyms

8 names
  • 2-Propynoic acid
  • Acetylenecarboxylic acid
  • Propargylic acid
  • Propynoic acid
  • Carboxyacetylene
  • Acetylenemonocarboxylic acid
  • 2-Propyne-1-carboxylic acid
  • NSC 16152

Work with Propiolic acid

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere