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sulfamic acid

Product name sulfamic acid
Synonyms amidosulfonic acid
sulphamidic acid
GOST no data
CAS 5329-14-6

Sulfamic acid, also known as amidosulfonic acid amidosulfuric acid, aminosulfonic acid, and sulfamidic acid, is colorless crystalline compound. Partially soluble in water, formamide, methanol, acetone, diethyl ether.

Production.

  • Interaction of urea with SO3 and H2SO4:

    H2NC(O)NH2 + SO3 + H2SO4 --> 2NH2SO3H + CO2

  • Reaction of ammonia with SO3:

    SO3 + NH3 --> NH2SO3H

  • Interaction of hydroxylamine with SO2:

    NH2OH + SO2 --> NH2SO3H

    Uses.

  • Sulfamic acid is used as an acidic cleaning agents, typically for metals and ceramics. It is a replacement for hydrochloric acid for the removal of rust;
  • Catalyst for esterification process;
  • Dye and pigment manufacturing;
  • Herbicide;
  • Coagulator for urea-formaldehyde resins;
  • Ingredient in fire extinguishing media;
  • Pulp and paper industry as a chloride stabilizer;
  • Synthesis of nitrous oxide by reaction with nitric acid;

  • Manufacturer(s) OJSC Beraton
    JSC Khimprom
    OJSC Pigment
    Chemical structure of sulfamic acid

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