2,4,4-Trimethyl-2-pentene
[CAS# 107-40-4]

Identification

• Classification: Chemical reagent >> Organic reagent >> Olefins (cyclic and non-cyclic)
• Name: 2,4,4-Trimethyl-2-pentene
• Synonyms: 2,2,4-Trimethyl-3-pentene; Propene, 1-tert-butyl-2-methyl-
• Molecular Formula: C₈H₁₆
• Molecular Weight: 112.21
• CAS Registry Number: 107-40-4
• EC Number: 203-488-5

Properties

• Solubility: Insoluble (8.0E^-3 g/L) (25 ºC), Calc.^*
• Density: 0.7223 g/cm³ (20 ºC)^**
• Melting point: 72 ºC^***
• Boiling point: 104.9 ºC^****
• Refractive index: 1.4160 (589.3 nm 20 ºC)^**
• Flash point: -1.7±0.0 ºC, Calc.^*

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

^** van Pelt, A. J., Jr.; Recueil des Travaux Chimiques des Pays-Bas et de la Belgique 1941, V60, P55-64.

^*** Huettel, Rudolf; Chemische Berichte 1963, V96(12), P3101-4.

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

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	2	H225
Aspiration hazard	Asp. Tox.	1	H304
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - single exposure	STOT SE	3	H336