Product name :4-Hydroxybenzoic acid 99-96-7 CAS :99-96-7 Molecular Formula :C7H6O3 Standard :99% Packing: 25kg compound bag, Appearance: colorless to ...
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... variety of dyes, and the most commonly used is fluoranated compounds; ② Chromogenic agent. About 20%, bisphenol A and p- are co...
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