1,1-Dimethylcyclopentane
[CAS# 1638-26-2]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Cyclic hydrocarbon
• Name: 1,1-Dimethylcyclopentane
• Synonyms: 1,1-Dimethylcycopentane; NSC 74145; gem-Dimethylcyclopentane
• Molecular Formula: C₇H₁₄
• Molecular Weight: 98.19
• CAS Registry Number: 1638-26-2
• EC Number: 216-673-0

Properties

• Solubility: Practically insoluble (0.038 g/L) (25 °C), Calc.^*
• Density: 0.8483 g/cm³ (20 °C)^**
• Melting point: 118-119 °C (water ethanol )^***
• Boiling point: 213-215 °C^**
• Refractive index: 1.4582 (589.3 nm 20 °C)^**
• Flash point: -8.8±11.7 °C, Calc.^*

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

^** Zelinskii, N. D.

^*** Rabjohn, Norman

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Flammable liquids	Flam. Liq.	3	H226
Flammable liquids	Flam. Liq.	2	H225
Specific target organ toxicity - single exposure	STOT SE	3	H336
Aspiration hazard	Asp. Tox.	1	H304