Orthoaminophenol-4-sulphonic acid (OAPSA)

Orthoaminophenol-4-sulphonic acid (OAPSA)
Orthoaminophenol-4-sulphonic acid (OAPSA)
Product Specifications
  • Industrial
  • 29222921
  • C6H7NO4S
  • 92-94%
  • <0.1 g/100 ml at 21.5*C
  • 189 Grams (g)
  • 98-37-3
  • Industrial
  • Powder
  • Used in dyes, pharmaceuticals etc.
  • Crystal
  • 300*C (lit.)
  • Brown crystalline powder
Product Description

Available in brown crystalline form, Orthoaminophenol-4-sulphonic acid (OAPSA) has extensive applications in pharmaceutical and dyestuff production fields. This chemical is offered in 92% to 94% purity range. Its solubility is less than 0.1% g in 100 ml liquid at 21.5 degree C temperature. Orthoaminophenol-4-sulphonic acid (OAPSA) has been formulated under controlled temperature to preserve all its chemical attributes. This chemical has gone through various stringent quality checking procedure to prove its standard. It can be stored for specific period when kept under specific temperature.


  • M.W. 189.185
  • Physical appearance Brown crystalline powder 
  • Packing 25 kg bag
  • Used in dyes, pharmaceuticals etc. 


Short Name
Full Name
Impirical Formulla


Trade Information
  • Cheque, Cash on Delivery (COD), Cash in Advance (CID), Cash Advance (CA), Cash Against Delivery (CAD), Telegraphic Transfer (T/T)
  • 1000 Per Month
  • 25 kg bag
  • Asia
  • All India
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    Phone :+918037400889