7844. Propylbenzene

Nomenclature

CAS number: 103-65-1
Isocumene; 1-phenylpropane.
C9H12; mol wt 120.19.
C 89.94%, H 10.06%.

Description and references

Prepd by the action of diethyl sulfate on benzylmagnesium chloride: H. Gilman, W. E. Catlin, Org. Synth. coll. vol. I, 471 (2nd ed., 1941). Toxicity study: P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964).

Chemical structure

Properties

Liquid. d420 0.8621. mp -99.2°. bp760 159.2°; bp400 135.7°; bp200 113.5°; bp100 94°; bp40 71.6°; bp20 56.8°; bp10 43.4°; bp5 31.3°; bp1.0 6.3°. nD20 1.4919. Flash pt, closed cup: 107.6°F (42°C). Flammable. Irritant. Very slightly sol in water (0.06 g/l); sol in alcohol, ether. LD50 orally in rats: 6040 mg/kg (Jenner).

Use

In textile dyeing and printing; as solvent for cellulose acetate.