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]

Exposure Assessment
Explanatory Notes

Melting point equals 205 degrees C; [CAMEO]

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Processes

Industrial Processes with risk of exposure: