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Commande minimale:
500kgs
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Personne àcontacter Ms. Helen
Unit 902 Block D3,Xu Jing Jia Yuan, Zhongshan Da Dao, Guangzhou, Guangdong
OPTICAL BRIGHTERNER OB Chemical Name: 2, *-bis-(*-ter-butyl-benzoxazolyl-)thiophene Molecular Formula: C*7H*7O2N2S Molecular Weight: **3 CAS No.: ********5 *****: **4 Specification: Appearance Yellowish or yellowish green crystal powder Assay, % *9min. Melting point, âï¿Â&frac*2;ï¿Â&frac*2; ******3 Volatile, % 0.5max Ash, % 0.5max