... .Free sample 4.Basic chemical raw material 1. high quality of industrial naphthalene,technical naphthalene,Crude naphthalene,tar camphor ... chemical raw material 6)Supply Free sample 2.Technical data Molecular formula:C10H8Molecular weight:CAS NO.: 128.1791- ... . Ada ada#bailichem.cn 0086-15081709808skype:hbadachem high quality of industrial naphthalene,technical naphthalene,crude naphthnalene,tar camphor ...