<i>cis</i>-2-Pentene , >95.0%(GC) , 627-20-3

CAS NO.：627-20-3

Empirical Formula: C5H10

Molecular Weight: 70.13

MDL number: MFCD00063978

EINECS: 210-988-7

PRODUCT Properties

• Melting point: -180 °C (lit.)
• Boiling point: 37-38 °C (lit.)
• Density: 0.65 g/mL at 25 °C (lit.)
• vapor pressure: 8.17 psi ( 20 °C)
• refractive index: n20/D 1.382(lit.)
• Flash point: −1 °F
• storage temp.: Flammables area
• solubility: Soluble in alcohol, benzene, and ether (Weast, 1986)
• form: Liquid
• pka: >14 (Schwarzenbach et al., 1993)
• color: Clear colorless
• Specific Gravity: 0.650
• Water Solubility: 203 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966)
• BRN: 1718794
• Henry's Law Constant: 0.225 at 25 °C (approximate - calculated from experimentally determined water solubility and vapor pressure values)
• Stability: Stable. Highly flammable - note low flash point. Incompatible with oxidizing agents.

Description and Uses

Polymerization inhibitor; organic synthesis.

Safety

• Symbol(GHS): GHS02,GHS07,GHS08
• Signal word: Danger
• Hazard statements: H225-H304-H315-H319-H335
• Precautionary statements: P210-P233-P301+P310-P303+P361+P353-P305+P351+P338-P331
• Hazard Codes: F,Xn
• Risk Statements: 11-36/37/38-65
• Safety Statements: 9-16-26-29-33-36-62
• RIDADR: UN 3295 3/PG 1
• WGK Germany: 3
• HazardClass: 3.1
• PackingGroup: I
• HS Code: 29012990