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3,3',4,4'-biphenyltetracarboxylic dianhydride
Specification: CAS# 2420-87-3
Detail: For more information on this product please contact us directly.

1,2,4-trichlorobenzene
Specification: Assay 99.5%
Detail: Certified by SGS for its purity and for not containing carcinogenic substances, Polychlorinated Biphenyl and Dioxin.


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