Perrhenic acid

August 22nd, 2008 by

Perrhenic acid

IUPAC name
Perrhenic(VII) acid
Other names
Hydrated rhenium(VII) oxide
Identifiers
CAS number
RTECS number
TT4550000
Properties
Molecular formula
H4O9Re2 (solid)
HO4Re (gas)
Molar mass
251.2055 g/mol
Appearance
Pale yellow solid
Density
 ?
Melting point
°C (? K)
Boiling point
sublimes
Solubility in water
Soluble
Acidity (pKa)
-1.25
Structure
Coordination
geometry
octahedral-tetrahedral (solid)
tetrahedral (gas)
Hazards
Main hazards
Corrosive
NFPA 704

0
3
0
 
R-phrases
R34
S-phrases
S26, S36/37, S39, S45
Flash point
Non-flammable
Related compounds
Related compounds
Re2O7, Mn2O7
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox references
Perrhenic acid is the chemical compound with the [...]

Posted in Uncategorized | No Comments »

Comments are closed.