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| ImageFile1 = Ammelide-3D-balls.png |
| ImageFile1 = Ammelide-3D-balls.png |
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| ImageName1 = Ball-and-stick model |
| ImageName1 = Ball-and-stick model |
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| IUPACName = 6-Amino-2,4- |
| IUPACName = 6-Amino-2,4-dihydroxy-1,3,5-triazine |
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| OtherNames = Ammelid, 2-Amino-1,3,5-triazine-4,6-dione, 2-Amino-4,6-dihydroxy-s-triazine |
| OtherNames = Ammelid, 2-Amino-1,3,5-triazine-4,6-dione, 2-Amino-4,6-dihydroxy-s-triazine |
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|Section1={{Chembox Identifiers |
|Section1={{Chembox Identifiers |
Revision as of 06:05, 28 June 2019
Names | |
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IUPAC name
6-Amino-2,4-dihydroxy-1,3,5-triazine
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Other names
Ammelid, 2-Amino-1,3,5-triazine-4,6-dione, 2-Amino-4,6-dihydroxy-s-triazine
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.010.416 |
KEGG | |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C3H4N4O2 | |
Molar mass | 128.09 g/mol |
Appearance | white powder |
insoluble | |
Solubility | soluble in concentrated mineral acids, alkalis and ammonia |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Ammelide (6-amino-2,4-dihydroxy-1,3,5-triazine) is a triazine and the hydrolysis product of ammeline.
Synthesis
Ammelide can be obtained by heating dicyandiamide with aqueous ammonia at 160−170 °C. It can also be synthesized by heating melam with concentrated sulfuric acid for a short time at 190 °C.
Chemical property
Ammelide forms salts with both acids (hydrochloric acid, nitric acid, sulfuric acid) and bases (sodium hydroxide, ammonium, calcium hydroxide).
Ammelide decomposes at 170 °C with water to form carbon dioxide and ammonia. It can be converted into cyanuric acid by oxidizing agents (e.g. potassium permanganate) or by boiling with acids or alkalis.
References
- B. Bann and S.A. Miller, "Melamines and derivatives of melamine", Chemical Reviews, vol.58, p131-172 (1958).