重1.42-1.52，熔点170℃以上，易溶于乙酸乙酯、丙酮、氢氧化钠及碳酸钠的稀溶液中，溶于乙醇，不易溶于苯，不溶于水和汽油。贮存稳定，呈现粉尘时，爆炸下限为21g/m3.
Properties: It is yellow powder with little osmyl and taste bitter. The density is 1.42-1.52. Soluble in ethyl acetate、ethanol，solution of NaOH and Na2CO3， unsoluble in benzene、water and gasoline. Good storage stability. Lower explosion limit is 21g/m3.
用途:主要用于制造轮胎、内胎、胶带、胶鞋和其它工业橡胶制品.
Usage:mainly used to make t