tert-Butylcyclopentadiene
[CAS 41539-65-5]

Identification

• Name: tert-Butylcyclopentadiene
• Synonyms: (1,1-Dimethylethyl)-1,3-cyclopentadiene; tert-Butyl-1,3-cyclopentadiene
• Molecular Formula: C₉H₁₄
• Molecular Weight: 122.21
• CAS Registry Number: 41539-65-5
• EC Number: 801-783-9

Properties

• Boiling point: 127-128 °C^*
• Refractive index: 1.4582 (589.3 nm 20 °C)^**

^* Riemschneider, R.

^** Hafner, Klaus

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Flammable liquids	Flam. Liq.	2	H225
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319