Back to Search

Vinylacetylene

CAS: 689-97-4 | C4H4

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 689-97-4
Molecular Formula: C4H4
Molecular Weight: 52.076 g/mol

Names and Synonyms:

Vinylacetylene Common Name
Vinylethyne Synonym
3-Butyn-1-ene Synonym
1-Butenyne Synonym
Butenyne Synonym
3-Buten-1-yne Synonym
1-Butyn-3-ene Synonym
Monovinylacetylene Synonym
Ethene, ethynyl- Synonym
Vinylacetylene Synonym
1-Buten-3-yne Synonym

Identifiers:

SMILES:
C#CC=C
InChI:
InChI=1S/C4H4/c1-3-4-2/h1,4H,2H2

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Physical Properties

Property Value Source
molecular_mass 52.08 g/mol Legacy Database
density 0.71 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Vinylacetylene None Legacy Database
cas-boiling-point 5.1 °C @ Press: 760 Torr None Legacy Database
cas-canonical-smile C#CC=C None Legacy Database
cas-density 0.7095 g/cm3 @ Temp: 0 °C None Legacy Database
cas-inchi InChI=1S/C4H4/c1-3-4-2/h1,4H,2H2 None Legacy Database
cas-inchi-key InChIKey=WFYPICNXBKQZGB-UHFFFAOYSA-N None Legacy Database
cas-melting-point 203 °C @ Solvent: Water None Legacy Database
cas-name 1-Buten-3-yne None Legacy Database
wikipedia-name Vinylacetylene None Legacy Database
LogP 0.8056 RDKit

Molecular

Property Value Source
Molecular Weight 52.076 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 52.031300128 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 4 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 0 count RDKit
Hydrogen Bond Donors 0 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 0 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 0.0 Ų RDKit

Molar

Property Value Source
Molar Refractivity 19.029999999999998 RDKit

Recent Searches

Acetone
Ethanol
Navigate
esc Close