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4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid

4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Structure
4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid
  • CAS No.22346-43-6
  • Chemical Name:4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid
  • CBNumber:CB4306340
  • Molecular Formula:C11H11NO4S
  • Formula Weight:253.27
  • MOL File:22346-43-6.mol
4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Property
Safety
  • HS Code  :2930909899
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H302
  • Precautionary statements P280-P305+P351+P338

4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Chemical Properties,Usage,Production

  • Chemical Properties 4-Hydroxy-7-methylaminonaphthalene-2- sulfonic acid [22346-43-6], N-methyl J acid, is produced by reaction of 2,5-dihydroxynaphthalene-7-sulfonic acid with methylamine and aqueous sodium bisulfite at 96 C for 36 h (yield 83 %). It is used to produce C.I. Reactive Orange 4, C.I. Reactive Orange 13, and C.I. Reactive Red 33.
4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Preparation Products And Raw materials
Raw materials
Preparation Products
4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Suppliers
Global(94)Suppliers
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4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid Spectrum
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