(2Z)-2-Pentene
[CAS# 627-20-3]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Acyclic hydrocarbon
• Name: (2Z)-2-Pentene
• Synonyms: (2Z)-2-Pentene; (Z)-2-Pentene; cis-2-Pentene; cis-Pentene; cis-beta-Amylene
• Molecular Formula: C₅H₁₀
• Molecular Weight: 70.13
• CAS Registry Number: 627-20-3
• EC Number: 210-988-7

Properties

• Solubility: Very slightly soluble (0.11 g/L) (25 ºC), Calc.^*
• Density: 0.6586 g/cm³ (20 ºC)^**
• Melting point: -151.4 ºC^***
• Boiling point: 37.8 ºC^**
• Refractive index: 1.3828 (589.3 nm 20 ºC)^****
• Flash point: -45.6±0.0 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

^** Sherrill, Mary L.; Journal of the American Chemical Society 1937, V59, P2134-8.

^*** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

^**** Lucas, H. J.; Journal of the American Chemical Society 1941, V63, P22-8.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	2	H225
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	H335
Acute toxicity	Acute Tox.	2	H310
Acute toxicity	Acute Tox.	2	H300
Acute toxicity	Acute Tox.	2	H330