Sulfamic acid
Agent Name
Sulfamic acid
CAS Number
5329-14-6
Formula
H3-N-O3-S
Major Category
Other Classes
Synonyms
Amidosulfonic acid; Amidosulfuric acid; Aminosulfonic acid; Aminosulfuric acid; Imidosulfonic acid; Jumbo; Kyselina amidosulfonova [Czech]; Kyselina sulfaminova [Czech]; Sulfamic acid; Sulfamidic acid; Sulfaminic acid; Sulphamic acid; UN2967; [ChemIDplus]
Category
Sulfur Compounds
Description
White crystals; [CAMEO]
Sources/Uses
Used as a herbicide and chemical reagent; [ChemIDplus] Used as a herbicide (ammonium sulfamate) and to stabilize chlorine for swimming pools, cooling towers, and paper mills; used in electroplating (metal salts) and acid cleaning; [Merck Index] Used in photography (color bleach); [www.ci.tucson.az.us/arthazards/medium.html]
Comments
A skin and eye irritant; Molten substance may cause severe burns to the eyes and skin; [CAMEO] A strong acid; Slowly hydrolyzes to ammonium bisulfate in solution; [Merck Index] No active registrants; [NPIRS] Corrosive to the skin and eyes; Inhalation of aerosol can produce pulmonary edema; Nitrogen oxides and sulfur oxides are released when heated to decomposition; [ICSC] Moderately toxic by ingestion; Application of 0.5 ml. of a 4% solution into the eyes of a rabbit caused conjunctivitis, but no serious injury; [HSDB] Corrosive to skin and mucous membranes; Inhalation may induce chemical pneumonitis; [MSDSonline]
Biomedical References
Exposure Assessment
Explanatory Notes
Melting point equals 205 degrees C; [CAMEO]
NFPA
will not burn
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: