5-Chloro-1-pentyne Chemical Properties

Melting point:

-61°C (estimate)

Boiling point:

67-69 °C145 mm Hg(lit.)

Density 

0.968 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.444(lit.)

Flash point:

60 °F

storage temp. 

2-8°C

solubility 

Chloroform, Methanol (Slightly)

form 

Liquid

Specific Gravity

0.968

color 

Clear colorless to light brown

Water Solubility 

Not miscible in water.

BRN 

1736710

CAS DataBase Reference

14267-92-6(CAS DataBase Reference)

NIST Chemistry Reference

5-Chloro-1-pentyne(14267-92-6)

EPA Substance Registry System

1-Pentyne, 5-chloro- (14267-92-6)

Safety Information

Hazard Codes 

F,Xi

Risk Statements 

11-38-36/37/38

Safety Statements 

23-24/25-16

RIDADR 

UN 1993 3/PG 2

WGK Germany 

3

Hazard Note 

Irritant

TSCA 

Yes

HazardClass 

3

PackingGroup 

II

HS Code 

29032900

MSDS

• Language:English Provider:5-Chloro-1-pentyne
• Language:English Provider:SigmaAldrich
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5-Chloro-1-pentyne Usage And Synthesis

Chemical Properties

CLEAR COLOURLESS TO LIGHT BROWN LIQUID

Uses

5-Chloro-1-pentyne is used with α-diazoesters in a copper-catalyzed synthesis of pyrazoles. It is also used in the synthesis of 5-chloro-2-trimethylstannyl-1-pentene by reacting with Me3SnCu.Me2S.

Uses

5-Chloro-1-pentyne was used in the synthesis of 5-chloro-2-trimethylstannyl-1-pentene by reacting with Me₃SnCu.Me₂S. It was also used with α-diazoesters in a copper-catalyzed synthesis of pyrazoles.

5-Chloro-1-pentyne(14267-92-6)Related Product Information

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