2-Ethenyl-2-methyloxirane
[CAS# 1838-94-4]

Identification

• Classification: Chemical reagent >> Organic reagent >> Epoxide
• Name: 2-Ethenyl-2-methyloxirane
• Synonyms: 2-Vinylpropylene oxide; 3,4-Epoxy-3-methyl-1-butene; 3-Methyl-3,4-oxido-1-butene; Isoprene epoxide; Isoprene oxide; NSC 48598
• Molecular Formula: C₅H₈O
• Molecular Weight: 84.12
• CAS Registry Number: 1838-94-4
• EC Number: 628-136-1

Properties

• Solubility: Sparingly soluble (23 g/L) (25 ºC), Calc.^*
• Density: 0.8592 g/cm³ (20 ºC)^**
• Boiling point: 80-82 ºC^***
• Refractive index: 1.4260 (20 ºC)^****
• Flash point: -7.8±0.0 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Akopyan, S. K.; Armyanskii Khimicheskii Zhurnal 1980, V33(3), P218-23.

^*** Murata, Kenichi; Osaka Kogyo Gijutsu Shikensho Kiho 1969, V20(3), P231-6.

^**** Arakelyan, A. S.; Khimiya Geterotsiklicheskikh Soedinenii 1989, (6), P736-7.

Safety Data

Hazard Classification

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