108-80-5
Product Name:
Cyanuric acid
Formula:
C3H3N3O3
Synonyms:
1,3,5-Triazine-2,4,6-triol;1,3,5-Triazine-2,4,6-triol, Isocyanuric acid;2,4,6-Trihydroxy-1,3,5-triazine;Cyanuric acid
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Crystals. (NTP, 1992) |
|---|---|
| Color/Form | White crystalline solid |
| Odor | Odorless |
| Taste | Slightly bitter |
| Boiling Point | DECOMPOSES (NTP, 1992) |
| Melting Point | greater than 680 °F (DEC.) (NTP, 1992) |
| Solubility | 0.5 mL (NTP, 1992) |
| Density | 2.5 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 0.00000003 [mmHg] |
| Decomposition | The substance decomposes on heating above 320-350 °C producing (highly) toxic fumes including nitrogen oxides and cyanic acid. |
| pH | pH of saturated aqueous solution @ room temperature = 4.8 |
| Dissociation Constants | pKa1 = 6.88; pKa2 = 11.40; pKa3 = 13.5 |
| Other Experimental Properties | SOL IN PYRIDINE; INSOL IN ACETIC ACID; MAX ABSORPTION (WATER PH= 8): 214 NM (LOG E= 4.01); DENSITY: 1.768 @ 0 °C; SADTLER REFERENCE NUMBER: 7027 (IR, PRISM) /DIHYDRATE/ |
| Chemical Classes | Nitrogen Compounds -> Triazines |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 129.07 g/mol |
|---|---|
| XLogP3 | -1.2 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 129.01744097 g/mol |
| Monoisotopic Mass | 129.01744097 g/mol |
| Topological Polar Surface Area | 87.3 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 136 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Crystals. (NTP, 1992)

