5-Chloro-1-pentyne

CAS NO.：14267-92-6
Empirical Formula: C5H7Cl
Molecular Weight: 102.56
MDL number: MFCD00001014
EINECS: 238-159-5
SAFETY DATA SHEET (SDS)
Update Date: 2023-12-26 17:07:23

What is 5-Chloro-1-pentyne?

Chemical properties

CLEAR COLOURLESS TO LIGHT BROWN LIQUID

The Uses of 5-Chloro-1-pentyne

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.

The Uses of 5-Chloro-1-pentyne

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.

What are the applications of Application

5-Chloro-1-pentyne is an alkynyl substrate

Properties of 5-Chloro-1-pentyne

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 for 5-Chloro-1-pentyne

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H225:Flammable liquids H315:Skin corrosion/irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water.