5-Chloro-1-pentyne , 98% , 14267-92-6

CAS NO.：14267-92-6

Empirical Formula: C5H7Cl

Molecular Weight: 102.56

MDL number: MFCD00001014

EINECS: 238-159-5

PRODUCT 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)

Description and 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.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Danger
• Hazard statements: H225-H315
• Precautionary statements: P210-P302+P352
• 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
• Limited Quantities: 1.0 L (0.3 gallon) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)