Ammonium tellurate

Ammonium tellurate
Names
	IUPAC name Ammonium tellurate
	Other names Diammonium tellurate, ammonium tellurate(IV)
Identifiers
CAS Number	13453-06-0;
3D model (JSmol)	Interactive image;
ChemSpider	55516;
ECHA InfoCard	100.033.279
EC Number	236-622-6;
PubChem CID	61608;
CompTox Dashboard (EPA)	DTXSID20928656;
	InChI InChI=1S/2H3N.H2O4Te/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4) Key: DRGYXGZFRXFMHF-UHFFFAOYSA-N;
	SMILES [NH4+].[NH4+].[O-][Te](=O)(=O)[O-];
Properties
Chemical formula	H8N2O4Te
Molar mass	227.67 g·mol−1
Appearance	White powder
Density	3.024 g/cm3
Solubility in water	soluble
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Precautionary statements	P264, P270, P301, P312, P330, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Ammonium tellurate is a chemical compound with the chemical formula (NH₄)₂TeO₄.^[1]^[2]

Synthesis

The compound can be obtained by oxidation of tellurium dioxide TeO₂ with hydrogen peroxide in an ammonia medium.

Ammonium tellurate forms white crystals, soluble in water.^[3]

Whrn heated, the compound decomposes releasing toxic fumes of Te, NO_x, and NH₃.^[4]