2-PENTEN-4-YN-1-OL Property

Boiling point:

68-69°C 19mm

Density 

0.9348 (estimate)

refractive index 

1.4850

Flash point:

68°C

pka

14.04±0.10(Predicted)

BRN 

1236364

CAS DataBase Reference

5557-88-0

Safety

Risk Statements 

36/37/38

Safety Statements 

26-36/37/39

PackingGroup 

II

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P501Dispose of contents/container to..…

2-PENTEN-4-YN-1-OL Chemical Properties,Usage,Production

Uses

2-Penten-4-yn-1-Ol is a useful reagent in the silver-?catalyzed cyclization of acetylenic alcohols. It is also employed in the studies related to the field of acetylenic epoxides.