1-(3-Sulfophenyl)-3-Methyl-5-Pyrazolone

  post date: dec 26,2021   expiry date: jun 24,2022   detailed description: cas no. :119-17-5 application： dyes intermediates, mainly used to produce acid red 183, 186, direct orange 96 etc.   cas registry number: 119-17-5   synonyms: ;1-(3-sulfophenyl)-3-methyl-5-pyrazolone;3-methyl-1-(3-sulfophenyl)-2-pyrazolin-5-one;(4,5-dihydro-3-methyl-5-oxo-1h-pyrazol-1-yl)benzenesulphonic acid;3-(3-methyl-5-oxo-4,5-dihydro-1h-pyrazol-1-yl)benzenesulfonic acid;3-(3-methyl-5-oxo-2,5-dihydro-1h-pyrazol-1-yl)benzenesulfonic acid;1-(3-sulphophenyl)-3-methyl-5-pyrazolone;   molecular formula: c10h10n2o4s   molecular weight: 254.2624   molecular structure:   hazard symbols:  xi:irritant;   risk codes: r43:;   safety description: s36/37:;