CAS 110-54-3: n-Hexane (C6H14)

Identity

CAS Number	110-54-3
Molecular Formula	C6H14
IUPAC Name	hexane
Molecular Weight	86.18 g/mol
SMILES	`CCCCCC`
Synonyms	n-hexane, hexane, normal hexane, hexyl hydride

2D Structure

Physical Properties

Density	0.659 g/mL at 25°C
Boiling Point	69.0°C
Melting Point	-95.0°C
Flash Point	-22.0°C
Vapor Pressure	17.0 kPa at 20°C
Refractive Index	nD = 1.375
Dielectric Constant	ε = 1.89

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
H361: Suspected of damaging fertility or the unborn child
H373: May cause damage to organs through prolonged or repeated exposure
H411: Toxic to aquatic life with long lasting effects

Storage: Store in cool, well-ventilated area. Extremely flammable — keep away from all ignition sources. Ground/bond containers. Use explosion-proof equipment. Store in flammable liquids cabinet.