1-(4-sulfophenyl)-3-methyl-5-pyrazolone
post date: dec 26,2021 expiry date: jun 24,2022 detailed description: cas no. :89-36-1 m.w.: 254.2 formula：c10h10n2o4s appearance：light yellow crystals purity(as dry)：99% min. water content：2% max. insolubles in acid: 0.15% max. application：dyes intermediates, mainly used to produce acid yellow 11, 12, 25, 76, 117, acid orange 63, direct orange 1, 30, 31, direct yellow 17 etc.…
