3-Methyl-2-pentene
[CAS# 922-61-2]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Acyclic hydrocarbon
• Name: 3-Methyl-2-pentene
• Synonyms: 1,2,3-Trimethylpropene; 2-Ethyl-2-butene
• Molecular Formula: C₆H₁₂
• Molecular Weight: 84.16
• CAS Registry Number: 922-61-2
• EC Number: 213-077-2

Properties

• Solubility: Practically insoluble (0.05 g/L) (25 ºC), Calc.^*
• Density: 0.7158 g/cm³ (0 ºC)^**
• Boiling point: 70.45-70.6 ºC^***
• Refractive index: 1.4070 (589.3 nm 15 ºC)^***
• Flash point: -22.0±14.8 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Pariselle; Compt. rend. 1921, V173, P86-9.

^*** van Risseghem, H.; Bulletin de la Societe Chimique de France 1952, P177-82.

Safety Data

Hazard Classification

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