5-HEXYN-3-OL Chemical Properties

Melting point:

-34°C (estimate)

Boiling point:

73-76°C 60mm

Density 

0.886 g/mL at 25 °C

refractive index 

1.4430

Flash point:

21°C

storage temp. 

2-8°C

form 

clear liquid

pka

14.29±0.20(Predicted)

color 

Colorless to Light orange to Yellow

BRN 

1698904

EPA Substance Registry System

5-Hexyn-3-ol (19780-84-8)

Safety Information

Hazard Codes 

Xn

Risk Statements 

36/37/38-41-22-10

Safety Statements 

26-36/37/39-39

RIDADR 

1987

WGK Germany 

3

TSCA 

Yes

HazardClass 

3

PackingGroup 

III

HS Code 

29052900

MSDS

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5-HEXYN-3-OL Usage And Synthesis

Purification Methods

Purify the hexynol by fractionation in a vacuum. The carbamoyl derivative (prepared by reaction with COCl2/toluene followed by NH3) is crystallised by dissolving in the minimum volume of toluene and adding excess of pet ether (b 40-60o ) and has m 70-71o. [L.nger et al. Helv Chim Acta 42 2379 1959, Beilstein 1 IV 2235.]

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