2-Pentene
[CAS# 109-68-2]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Acyclic hydrocarbon
• Name: 2-Pentene
• Synonyms: 1-Methyl-2-ethylethylene; 3-Pentene; NSC 7894; sym-Methylethylethylene; beta-Amylene; beta-n-Amylene
• Molecular Formula: C₅H₁₀
• Molecular Weight: 70.13
• CAS Registry Number: 109-68-2
• EC Number: 203-695-0

Properties

• Solubility: Very slightly soluble (0.11 g/L) (25 ºC), Calc.^*
• Density: 0.9584 g/cm³ (20 ºC)^**
• Melting point: -147 ºC^***
• Boiling point: 104-106 ºC (5 Torr)^**
• Refractive index: 1.5164 (589.3 nm 25 ºC)^**
• Flash point: -36.1±8.0 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Zavgorodnii, S. V.; Trudy Voromezh. Univ. 1956, V42(No. 2), P37-9.

^*** van Risseghem, H.; Compt. rend. 1914, V158, P1694-8.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Aspiration hazard	Asp. Tox.	1	H304
Flammable liquids	Flam. Liq.	2	H225
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335