Sodium perrhenate

Crystal structure
__ Na +      __ Re 7+      __ O 2−
General
Surname	Sodium perrhenate
Ratio formula	NaReO 4
Brief description	white solid
External identifiers / databases
CAS number 13472-33-8 EC number 236-742-9 ECHA InfoCard 100.033.388 PubChem 5107658 Wikidata Q2592158
properties
Molar mass	273.19 g mol −1
Physical state	firmly
density	5.39 g cm −3 (25 ° C)
Melting point	414 ° C
solubility	Easily soluble in water (1453 g kg −1 at 30 ° C)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 272-315-319-335 P: 220-261-305 + 351 + 338
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Sodium perrhenate is a chemical compound from the group of perrhenates .

Extraction and presentation

Sodium perrhenate can be obtained by reacting sodium hydroxide with perrhenic acid .

${\displaystyle \mathrm {NaOH+HReO_{4}\longrightarrow NaReO_{4}+H_{2}O} }$

properties

Sodium perrhenate is a white solid that is easily soluble in water and ethanol . It has a tetragonal crystal structure of the Scheelite type with the space group I 4 ₁ / a (space group no. 88) and the lattice parameters a = 536.2 pm and c = 1171.8 pm.

Individual evidence

1. ↑ ^{a b c d e} data sheet Sodium perrhenate, 99.99% trace metals basis from Sigma-Aldrich , accessed on August 5, 2013 ( PDF ).
2. ↑ ^{a b c} Georg Brauer (Ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1633.
3. ↑ William T. Smith Jr., Selma Harmon Long, The Salts of Perrhenic Acid. I. The Alkali Metals and Ammonium, J. Am. Chem. Soc., 1948, 70 (1), 354-356.