Synonyms:

CHequivCCH2COOH;But-3-ynoic acid;Ethynylacetic acid;3-butynoic acid(SALTDATA: FREE);2-Ethynylacetic acid;3-Butynoic acid 95%

Canonical SMILES: C#CCC(=O)O

HS Code: 29161900

Density:1.152

Boiling Point:195℃

Flash Point: 83℃

Melting Point: 188-195℃

PKA: 3.62±0.10(Predicted)

Hazard Codes: Xn,T

Risk Statements:  22-41-34-24/25

Safety Statements: 26-36-45-36/37/39

Transport: 2923

WGK Germany: 3

HazardClass: 8