Nomenclature
CAS number: 8001-39-6
Vegetable wax; sumach wax; Japan tallow.
Description and references
A fat expressed from mesocarp of the fruit
of Rhus succedanea L., Anacardiaceae. Habit. Japan and China. Constit. 10-15% palmitin; stearin,
olein; 1% japanic acid and homologs. Brief review: C. S. Letcher
in Kirk-Othmer Encyclopedia of Chemical Technology vol. 24 (Wiley-Interscience, New York, 3rd ed., 1984)
p 470.
Properties
Pale yellow, flat cakes, disks or squares with
a greasy feel; somewhat tallow-like, rancid odor and taste. d 0.97-0.98. mp 53.5-55°. Acid number 22-23.
Saponification number 217-237. Iodine number 10-15. Insol in water
or cold alcohol; sol in benzene, carbon disulfide, petr ether, ether,
hot alc, alkalies.Use
As a substitute for beeswax in wax varnishes or
candles, ingredients in plasters, ointments; floor waxes, furniture
polish. As a plasticizer in dental impression compounds.