CAS 98-82-8: Cumene (C9H12)

Identity

CAS Number	98-82-8
Molecular Formula	C9H12
IUPAC Name	propan-2-ylbenzene
Molecular Weight	120.19 g/mol
SMILES	`CC(C)c1ccccc1`
Synonyms	isopropylbenzene, cumene, 2-phenylpropane, isopropylbenzol

2D Structure

Physical Properties

Density	0.864 g/mL at 25°C
Boiling Point	152.0°C
Melting Point	-96.0°C
Flash Point	39.0°C
Vapor Pressure	0.5 kPa at 20°C
Refractive Index	nD = 1.491
Dielectric Constant	ε = 2.38

Safety & GHS Classification

FlammableIrritantHealth Hazard

H226: Flammable liquid and vapor
H304: May be fatal if swallowed and enters airways
H332: Harmful if inhaled
H335: May cause respiratory irritation
H411: Toxic to aquatic life with long lasting effects

Storage: Store in cool, well-ventilated area. Keep away from heat, sparks, and open flames. Ground/bond containers. Store away from strong oxidizers. Store in flammable liquids cabinet.