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185809

Sigma-Aldrich

Cyanuric acid

98%

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Synonym(s):
1,3,5-Triazine-2,4,6-triol, 2,4,6-Trihydroxy-1,3,5-triazine
Empirical Formula (Hill Notation):
C3H3N3O3
CAS Number:
Molecular Weight:
129.07
Beilstein:
126982
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

mp

>360 °C (lit.)

solubility

water: soluble 0.2% at 25 °C(lit.)
water: soluble 10% at 150 °C(lit.)
DMSO: soluble 17.4%(lit.)
water: soluble 2.6% at 90 °C(lit.)
DMF: soluble 7.2%(lit.)
acetone: insoluble
alcohol: soluble (hot)(lit.)
benzene: insoluble
chloroform: insoluble
diethyl ether: insoluble
hydrochloric acid: soluble (conc.)
methanol: insoluble (cold)
potassium hydroxide solution: soluble

SMILES string

O=C1NC(=O)NC(=O)N1

InChI

1S/C3H3N3O3/c7-1-4-2(8)6-3(9)5-1/h(H3,4,5,6,7,8,9)

InChI key

ZFSLODLOARCGLH-UHFFFAOYSA-N

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This Item
M2659C95501CRM42279
Cyanuric acid 98%

Sigma-Aldrich

185809

Cyanuric acid

Melamine 99%

Sigma-Aldrich

M2659

Melamine

Cyanuric chloride 99%

Sigma-Aldrich

C95501

Cyanuric chloride

Supelco

Supelco

CRM42279

Cyanuric Acid

mp

>360 °C (lit.)

mp

>300 °C (lit.)

mp

145-147 °C (lit.)

mp

-

solubility

water: soluble 0.2% at 25 °C(lit.), water: soluble 10% at 150 °C(lit.), DMSO: soluble 17.4%(lit.), water: soluble 2.6% at 90 °C(lit.), DMF: soluble 7.2%(lit.), acetone: insoluble, alcohol: soluble (hot)(lit.), benzene: insoluble, chloroform: insoluble, diethyl ether: insoluble, hydrochloric acid: soluble (conc.), methanol: insoluble (cold), potassium hydroxide solution: soluble

solubility

water: soluble 25 mg/mL, clear to slightly hazy, colorless

solubility

-

solubility

-

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

-

General description

Cyanuric acid reacts with melamine to form a stable insoluble complex. Degradation of cyanuric acid has been examined in Pseudomonas sp. strain D. Adsorption and coadsorption structures formed from cyanuric acid and melamine molecules at Au(111) has been studied by surface scanning tunneling microscopy.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Cyanuric Acid Test photometric, 2-160 mg/L (cyanuric acid), Spectroquant®

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Self-assembly based on the cyanuric acid-melamine lattice.
Seto CT and Whitesides GM.
Journal of the American Chemical Society, 112(17), 6409-6411 (1990)
A M Cook et al.
The Biochemical journal, 231(1), 25-30 (1985-10-01)
The degradative pathway of cyanuric acid [1,3,5-triazine-2,4,6(1H,3H,5H)-trione] was examined in Pseudomonas sp. strain D. The bacterium grew with cyanuric acid, biuret, urea or NH4+ as sole source of nitrogen, and each substrate was entirely metabolized concomitantly with growth. Enzymes from
Cyanuric acid and melamine on Au111: structure and energetics of hydrogen-bonded networks.
Wei Xu et al.
Small (Weinheim an der Bergstrasse, Germany), 3(5), 854-858 (2007-03-30)
N Pirarat et al.
Journal of comparative pathology, 147(2-3), 259-266 (2012-02-10)
The toxicity of melamine and its analogue in man and animals has been reported widely. The aim of the present study was to examine the pathological effects of feeding melamine and cyanuric acid, separately or in combination, to walking catfish
Cynthia B Stine et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(10), 3426-3432 (2012-08-15)
Melamine and its triazine analogs, such as cyanuric acid, have been used to artificially inflate protein content both in animal feed ingredients, as well as in milk products produced for human consumption. We report here a LC-MS/MS method to quantify

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