4-PENTYN-2-OL Property

Melting point:

-24.1°C (estimate)

Boiling point:

126-127 °C (lit.)

Density 

0.892 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.438(lit.)

Flash point:

99 °F

storage temp. 

Flammables area

solubility 

Miscible with chloroform and ethyl acetate.

form 

Liquid

pka

14.29±0.20(Predicted)

Specific Gravity

0.892

color 

Clear colorless to pale yellow

BRN 

1734245

CAS DataBase Reference

2117-11-5(CAS DataBase Reference)

Safety

Hazard Codes 

Xi

Risk Statements 

10-36/37/38

Safety Statements 

26-36

RIDADR 

UN 1987 3/PG 3

WGK Germany 

3

F 

10

HazardClass 

3

PackingGroup 

III

HS Code 

29052990

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H226Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

4-PENTYN-2-OL Chemical Properties,Usage,Production

Chemical Properties

4-PENTYN-2-OL is clear colorless to pale yellow liquid

Uses

4-PENTYN-2-OL is used in QSAR studies pertaining to toxicity levels of organic compounds in environmental situations.

Uses

4-Pentyn-2-ol is used in Quantitative structure activity relationship (QSAR) studies pertaining to toxic levels of organic compounds in environmental situations. It is also used in the preparation of Fischer-type rhenium(III) benzoyldiazenido-2-oxacyclocarbenes. Further, it is used in the preparation of C-aryl glycosides by undergoing cycloaddition reaction with an aryl nitrile oxide.

General Description

4-Pentyn-2-ol, a secondary homopropargylic alcohol, is toxic with LC50 value of 160.