Shaoxin Catsyn Co., Ltd. Tel : +86 (0)575-82040869
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Catsyn offer gram to tons of 4,4’-(1,4-Phenylenebis(ethyne-2,1-diyl))dianiline | CAS 246141-52-6, its formula is C22H16N2, molecular weight is 308.38g/mol and the purity is usually NLT 98%.