... .Basic chemical raw material 1. high quality of industrial naphthalene,technical naphthalene,Crude naphthalene,tar camphor 1)CAS:91-20-3 ... ,specific gravity is 1.162,melting point is 80.1,boiling point is 217.9,flashing point is78.89, and spontaneous ignition point is 526. Explosion ... 15081709808skype:hbadachem high quality of industrial naphthalene,technical naphthalene,crude naphthnalene,tar camphor