Propyne

C₃H₄CAS 74-99-740.06 g/mol

Open in Covalent MOL file

Properties

Molecular formula: C₃H₄
Molar mass: 40.06 g/mol
Exact mass: 40.0313 Da
Density: 0.7062 g/mL (at −50 °C)
Melting point: −102.7 °C
Boiling point: −23.2 °C
Water solubility: 3.64 g/L (25 °C)
logP: 0.64Crippen estimate
Polar surface area: 0.0 Å²
H-bond donors / acceptors: 0 / 0
Rotatable bonds: 0

Hazards

Danger

H220 Extremely flammable gas98.8% of notifiers
H280 Contains gas under pressure; may explode if heated100% of notifiers
H335 May cause respiratory irritation52.9% of notifiers
H336 May cause drowsiness or dizziness34.7% of notifiers

Aggregated from 346 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P210, P222, P261, P271, P280, P304+P340, P319, P377, P381, P403, P403+P233, P405, P410+P403, P501

Identifiers

CAS number

74-99-7

SMILES

C#CC

InChIKey

MWWATHDPGQKSAR-UHFFFAOYSA-N

InChI

InChI=1S/C3H4/c1-3-2/h1H,2H3

Weigh it out

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

Names and synonyms

4 names

1-Propyne
Methylacetylene
Propine
Allylene

Work with Propyne

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Same formula

Propadiene463-49-0

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia