2-methylpropylbenzene

 

2-methylpropylbenzene
aka isobutylbenzene

Chemical formula	C10H14
Index of refraction	1.488
Molar Mass(g/mol)	148.249
Density(g/cc)	0.853
Melting Point(°C)	-50-52
Boiling Point(°C)	170
NFPA 704	2 2 0

Uses

Primary

• Feedstock for WHO LEM component ibuprofen

Natural occurrence

• Does not occur naturally in significant quantities

Production

via toluene

React toluene and propene (as pressurized liquids) over a catalyst producing 2-methylpropylbenzene

C₇H₈(l) + C₃H₆(l)

{Na(C),K(C)

→

140-300°C, 3+atm}

C₁₀H₁₄(l)

via isobutyryl chloride

Isobutyryl chloride and benzene followed by Zn/Hg/HCl reduction