Acid red 97Acid Red 97 Acid dye--Acid red 97 1. Characteristics: 1).CAS No: 10169-02-5 2). EINECS No: 215-444-2 3). Formula: C6H4N2O5 C32H2oN4O8S2·2Na 4)
Acid Brown PRSAcid Brown PRS A series of thr products are acid or weak acid dyes, with color of bilack, gray, dark brown, yellow brown, red brown, brown, red, purp
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