Cyanuric acid
Agent Name
Cyanuric acid
CAS Number
108-80-5
Formula
C3-H3-N3-O3
Major Category
Nitrogen Compounds
Synonyms
1,3,5-Triazine-2,4,6(1H,3H,5H)-trione; 2,4,6-Trihydroxy-1,3,5-triazine; CP 4789; Cyanuric acid (VAN); Isocyanurate acid; Isocyanuric acid; Kyselina kyanurova [Czech]; Pseudocyanuric acid; Tricyanic acid; Trihydroxycyanidine; Trihydroxytriazine; s-2,4,6-Triazinetriol; s-Cyanuric acid; s-Triazine-2,4,6(1H,3H,5H)-trione; s-Triazinetriol; sym-Triazinetriol; [ChemIDplus]
Category
Triazines
Description
White, odorless solid; [Hawley] Hygroscopic; [CHEMINFO] Off-white powder; [MSDSonline]
Sources/Uses
Used in labs as a source of cyanic acid gas and in swimming pools as a disinfectant; Also used to make melamine, sponge rubber, herbicides, dyes, resins, scouring powders, household bleaches, institutional and industrial cleansers, automatic dishwasher compounds, general sanitizers, and antimicrobial agents; [HSDB]
Comments
An eye and respiratory tract irritant; [HSDB] A mild eye irritant; Ingestion of large quantity may cause kidney injury; [ICSC] An irritant; [MSDSonline] Classified as essentially nontoxic; Avoid ingestion, inhalation of dust, and contact with eyes; [Ullmann] Causes crystals that can damage urinary tract in animals fed high doses; [AIHA]
Biomedical References
Exposure Assessment
Vapor Pressure
3.05E-08 mm Hg
Lethal Concentration
LC50 (rat) > 612 mg/m3
Half Life
90% excreted within 12 hours, and of this 99% is excreted unchanged as cyanuric acid; [HSDB]
WEEL
10 mg/m3, (total dust), 5 mg/m3 (respirable fraction)
Adverse Effects
Nephrotoxin
Yes
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: