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product Name	Petroleum benzin
Synonyms	Naphtha; Petroleum ether 100-120; ; Petrolether 40-70; Petrolether 70-100; Petrolether
Molecular Formula	C_nH_2n(n=5~8)
CAS Registry Number	8030-30-6;121448-83-7;50813-73-5;54847-97-1;8030-31-7;64742-49-0
EINECS	232-443-2;265-151-9
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