627-21-4 pent-2-yne pent-2-yne

Synonyms：Pent-2-yne
CAS Number：627-21-4
EINECS：210-989-2
Molecular Formula：C₅H₈
Molecular Weight：68.117
InChI：InChI=1/C5H8/c1-3-5-4-2/h3H2,1-2H3
Molecular Structure：
Density：0.721g/cm³
Boiling point：56.7°C at 760 mmHg
Refractive index：1.406
Vapour Pressur：237mmHg at 25°C
Hazard Symbols: Xi:Irritant;
F+:Highly flammable;
Risk Codes： R11:Highly flammable;
R36/37/38:Irritating to eyes, respiratory system and skin.;
Safety Description： S16:Keep away from sources of ignition.;
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.;
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.;