CAS 110-82-7: Cyclohexane (C6H12)

Identity

CAS Number	110-82-7
Molecular Formula	C6H12
IUPAC Name	cyclohexane
Molecular Weight	84.16 g/mol
SMILES	`C1CCCCC1`
Synonyms	hexamethylene, hexanaphthene, C6H12 cyclic

2D Structure

Physical Properties

Density	0.779 g/mL at 25°C
Boiling Point	80.7°C
Melting Point	6.5°C
Flash Point	-20°C
Vapor Pressure	12.9 kPa at 20°C
Refractive Index	nD = 1.426
Dielectric Constant	ε = 2.02

Safety & GHS Classification

FlammableIrritantHealth HazardGHS09

H225: Highly flammable liquid and vapor
H304: May be fatal if swallowed and enters airways
H315: Causes skin irritation
H336: May cause drowsiness or dizziness
H411: Toxic to aquatic life with long lasting effects

Storage: Store in cool, well-ventilated area away from ignition sources. Keep container tightly sealed. Ground/bond during transfer. Use explosion-proof equipment per NFPA 30 Flammable Liquids Code.