Cadmium tellurite

Last updated
Cadmium tellurite
CdTeO3 crystal structure.png
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.036.316 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 239-963-9
PubChem CID
  • InChI=1S/Cd.H2O3Te/c;1-4(2)3/h;(H2,1,2,3)/q+2;/p-2
    Key: GKMPTXZNGKKTDU-UHFFFAOYSA-L
  • [Cd+2].[O-] [Te](=O)[O-]
Properties
CdO3Te
Molar mass 288.01 g·mol−1
Appearancecolourless solid [1]
Melting point 695 °C [1]
Boiling point 1050 °C (decomposes) [1]
insoluble [2]
Hazards
GHS labelling: [3]
GHS-pictogram-exclam.svg
Warning
H302, H312, H332
P261, P264, P270, P271, P280, P301+P317, P302+P352, P304+P340, P317, P321, P330, P362+P364, P501
Related compounds
Other anions
Cadmium telluride
Cadmium tellurate
Cadmium sulfite
Cadmium selenite
Other cations
Calcium tellurite
Strontium tellurite
Barium tellurite
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Cadmium tellurite is the tellurite salt of cadmium, with the chemical formula CdTeO3.

Contents

Preparation

Cadmium tellurite can be prepared by the reaction of cadmium sulfate and sodium tellurite in ammonia.

Properties

Cadmium tellurite is a colourless solid [1] that is insoluble in water. [2] It is a semiconductor. It is part of the monoclinic crystal system, with space group P21/c (No. 14). It can also crystallize in the cubic crystal system and hexagonal crystal system at temperatures above 540 °C. [4] [5]

References

  1. 1 2 3 4 William M. Haynes (2016). CRC Handbook of Chemistry and Physics. CRC Press. p. 53. ISBN   978-1-4987-5429-3.
  2. 1 2 "Cadmium tellurite". SAFETY DATA SHEET. ThermoFisher Scientific. 25 February 2024.
  3. "Cadmium tellurite". pubchem.ncbi.nlm.nih.gov.
  4. Krämer, V.; Brandt, G. (1985-08-15). "Structure of cadmium tellurate(IV), CdTeO3" . Acta Crystallographica Section C Crystal Structure Communications. 41 (8): 1152–1154. doi:10.1107/S0108270185006941.
  5. Poupon, Morgane; Barrier, Nicolas; Petit, Sébastien; Boudin, Sophie (2017). "A new β-CdTeO 3 polymorph with a structure related to α-CdTeO 3" . Dalton Transactions. 46 (6): 1927–1935. doi:10.1039/C6DT04449B. ISSN   1477-9226. PMID   28112302.