Silver bromate

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Structural formula
Structural formula of silver bromate
General
Surname Silver bromate
other names

Silver (I) bromate

Molecular formula AgBrO 3
Brief description

white solid

External identifiers / databases
CAS number 7783-89-3
EC number 232-032-8
ECHA InfoCard 100.029.120
PubChem 9878022
Wikidata Q2658632
properties
Molar mass 235.77 g mol −1
Physical state

firmly

density

5.206 g cm −3  (25 ° C)

solubility
  • poorly soluble in water (0.196 g / 100 ml at 25 ° C)
  • soluble in ammonium hydroxide
  • easily soluble in ammonia
safety instructions
GHS labeling of hazardous substances
03 - Oxidising 07 - Warning

danger

H and P phrases H: 272-315-319-335
P: 220-261-305 + 351 + 338
Thermodynamic properties
ΔH f 0

−10.5 kJ / mol

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Silver bromate is an inorganic chemical compound of silver from the group of bromates .

Extraction and presentation

Silver bromate can be obtained by reacting silver nitrate with a bromate solution (e.g. from potassium bromate ).

properties

Silver bromate is a white, light-sensitive solid that is poorly soluble in water. It decomposes when heated. It has a tetragonal crystal structure with the space group I 4 / m (space group no. 87) and the lattice parameters a = 860 pm and c = 809 pm as well as eight formula units per unit cell . Template: room group / 87

use

Silver bromate is used as an oxidizing agent to convert tetrahydropyranyl ethers into carbonyl compounds.

Individual evidence

  1. a b c d e f data sheet Silver bromate, 97% from Sigma-Aldrich , accessed on July 25, 2013 ( PDF ).
  2. Peter. Ruoff, Margit. Varga, Endre. Koros (1987) Silver bromate precipitation in bromate oscillators treated with excess silver ion. A comment. J. Phys. Chem., 91 (16), 4431-4432. doi : 10.1021 / j100300a047
  3. Michelle Davidson: Inorganic Chemistry . Lotus Press, 2006, ISBN 81-89093-39-8 , pp. 170 ( limited preview in Google Book search).
  4. ^ A b G. Charlot, RG Murray: Qualitative Inorganic Analysis . CUP Archives, 1954, p. 87 ( limited preview in Google Book search).
  5. David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Standard Thermodynamic Properties of Chemical Substances, pp. 5-4.
  6. ^ Dale L. Perry: Handbook of Inorganic Compounds, Second Edition . Taylor & Francis, 2011, ISBN 1-4398-1462-7 , pp. 365 ( limited preview in Google Book Search).
  7. Roger Blachnik (Ed.): Paperback for chemists and physicists . Volume III: Elements, Inorganic Compounds and Materials, Minerals . founded by Jean d'Ans, Ellen Lax. 4th, revised and revised edition. Springer, Berlin 1998, ISBN 3-540-60035-3 , pp. 282 ( limited preview in Google Book search).