Sulfamic acid

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Description

White, crystalline solid. Sulfamic acid is used as a flame retardant for textiles and wood, buffer, acid cleaner, chlorine stabilizer in swimming pools, nitrite scavenger, and sulfonating agent. It is also used as a bleaching agent for paper pulp, textiles, and color photographs.

Synonyms and Related Terms

amidosulfonic acid; amidosulfuric acid; sulfamidic acid

Chemical structure

Sulfamic acid.jpg


Other Properties

Soluble in water, but hydrolyzed in water to form ammonium bisulfate. Slightly soluble in organic solvents.

Composition SOOHNH2
CAS 5329-14-6
Melting Point 205 (dec)
Density 2.15
Molecular Weight mol. wt. = 97.1

Hazards and Safety

Toxic by ingestion. Corrosive to eyes, skin and lungs causing irritation and burns.

Heating results in the production of toxic sulfur dioxide fumes.

LINK: International Chemical Safety Card

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 782
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • The Dictionary of Paper, American Paper Institute, New York, Fourth Edition, 1980
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9090