Melam (chemistry)

Melam
Names
	IUPAC name N2-(4,6-Diamino-1,3,5-triazin-2-yl)-1,3,5-triazine-2,4,6-triamine
	Other names A1,3,5-Triazine-2,4,6-triamine
Identifiers
CAS Number	3576-88-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	69563 ;
ECHA InfoCard	100.020.632
EC Number	222-695-1;
PubChem CID	77125;
CompTox Dashboard (EPA)	DTXSID50957156 ;
	InChI InChI=1S/C6H9N11/c7-1-11-2(8)14-5(13-1)17-6-15-3(9)12-4(10)16-6/h(H9,7,8,9,10,11,12,13,14,15,16,17) Key: YZEZMSPGIPTEBA-UHFFFAOYSA-N ; InChI=1/C6H9N11/c7-1-11-2(8)14-5(13-1)17-6-15-3(9)12-4(10)16-6/h(H9,7,8,9,10,11,12,13,14,15,16,17) Key: YZEZMSPGIPTEBA-UHFFFAOYAX;
	SMILES C1(=NC(=NC(=N1)NC2=NC(=NC(=N2)N)N)N)N;
Properties
Chemical formula	C6H9N11
Molar mass	235.21 g/mol
Appearance	white powder
Solubility in water	insoluble
Solubility	slightly soluble in acids
	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

Melam (N2-(4,6-diamino-1,3,5-triazin-2-yl)-1,3,5-triazine-2,4,6-triamine) is a condensation product of melamine.

Synthesis

Melam was discovered by Liebig in 1834 from the residue of heating ammonium thiocyanate.

In the presence of 30% ammonia, melam undergoes hydrolysis to form ammeline and melamine. It also reacts with concentrated nitric acid, producing cyanuric acid.

Upon heating, melam first loses ammonia to form melem, and then melon.

B. Bann and S.A. Miller, "Melamines and derivatives of melamine", Chemical Reviews, vol.58, p131-172 (1958).

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