... Basic chemical raw material 1. high quality of industrial naphthalene,technical naphthalene,Crude naphthalene,tar camphor 1)CAS:91-20-3 ... supplier5)Basic chemical raw material 6)Supply Free sample 2.Technical data Molecular formula:C10H8Molecular weight:CAS NO.: 128.1791-20 ... .cn 0086-15081709808skype:hbadachem high quality of industrial naphthalene,technical naphthalene,crude naphthnalene,tar camphor