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連絡先担当者 Mr. Yama
Rongyuan Road, Tianjin, Tianjin
Naphthionic acid *-Aminonaphthalene**-sulfonic acid CAS.******6 Molecular Formulaï&frac*4;šC**-H*-N-O*-S Appearance : Grayish white crystal Content ≥ *4% *-Naphthylamine ≤ *0.0% Insolubility ≤ 0.2%
