1-Pentene
[CAS# 109-67-1]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Acyclic hydrocarbon
• Name: 1-Pentene
• Synonyms: Propylethylene; alpha-n-Amylene
• Molecular Formula: C₅H₁₀
• Molecular Weight: 70.13
• CAS Registry Number: 109-67-1
• EC Number: 203-694-5

Properties

• Density: 0.641
• Melting point: -165 ºC
• Boiling point: 30 ºC
• Refractive index: 1.3704-1.3724
• Flash point: -28 ºC
• Water solubility: 0.15 g/L (20 ºC)

Safety Data

• Hazard Symbols: F+;Xn
• Risk Codes: R12;R65
• Safety Description: S16

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	1	H224
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Aspiration hazard	Asp. Tox.	1	H304
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H336
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Eye irritation	Eye Irrit.	2A	H319

• Transport Information: UN 1108