Cyanuric acid

Cyanuric acid or 1,3,5-triazine-2,4,6-triol is a chemical compound with the formula (CNOH)3. Like many industrially useful chemicals, this triazine has many synonyms. This white, odorless solid finds use as a precursor or a component of bleaches, disinfectants, and herbicides. In 1997, worldwide production was 160 000 tonnes.

Cyanuric acid
Cyanuric (triol) tautomer
Isocyanuric (trione) tautomer
Names
Preferred IUPAC name
1,3,5-Triazinane-2,4,6-trione
Other names
1,3,5-Triazine-2,4,6(1H,3H,5H)-trione
1,3,5-Triazinetriol
s-Triazinetriol
s-Triazinetrione
Tricarbimide
Isocyanuric acid
Pseudocyanuric acid
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.290
KEGG
RTECS number
  • XZ1800000
UNII
  • InChI=1S/C3H3N3O3/c7-1-4-2(8)6-3(9)5-1/h(H3,4,5,6,7,8,9) Y
    Key: ZFSLODLOARCGLH-UHFFFAOYSA-N Y
  • InChI=1/C3H3N3O3/c7-1-4-2(8)6-3(9)5-1/h(H3,4,5,6,7,8,9)
    Key: ZFSLODLOARCGLH-UHFFFAOYAR
  • Cyanuric (triol) tautomer: Oc1nc(O)nc(O)n1
  • Isocyanuric (trione) tautomer: O=C1NC(=O)NC(=O)N1
Properties
C3H3N3O3
Molar mass 129.07 g/mol
Appearance white crystalline powder
Density 1.75 g/cm3
Melting point 320–360 °C (608–680 °F; 593–633 K) decomposes
0.27 g/100 ml (25 °C)
-61.5·10−6 cm3/mol
Hazards
Safety data sheet (SDS) ICSC 1313
Related compounds
Related triazines
Cyanuric fluoride
Cyanuric chloride
Cyanuric bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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