is a pale-yellow, waxy, water-insoluble solid with a gummy feel, obtained from the berries of certain sumacs
native to Japan
, such as Rhus verniciflua
(Japanese sumac tree) and R. succedanea
(Japanese wax tree).
Japan wax is a byproduct of lacquer manufacture. It is not a true wax but a fat that contains 10-15% palmitin, stearin, and olein with about 1% japanic acid (1,21-heneicosanedioic acid). Japan wax is sold in flat squares or disks and has a rancid odor. It is extracted by expression and heat, or by the action of solvents.
Japan wax is used chiefly in the manufacture of candles
, furniture polishes, floor waxes, wax matches, soaps
, food packaging, pharmaceuticals, cosmetics
, buffing compounds, metal lubricants
, thermoplastic resins, and as a substitute for beeswax
Japan tallow; sumac wax; sumach wax; vegetable wax
Melting point =53°C
Soluble in benzene, ether, naphtha and alkalis.
Insoluble in water or cold ethanol.