Ammonium perrhenate

Catalog Number	ACM13598657-2
CAS	13598-65-7
Structure
Description	Ammonium perrhenate (APR) is the ammonium salt of perrhenic acid, NH4ReO4. It is the most common form in which rhenium is traded. It is a white, water-soluble salt. It was first described soon after the discovery of rhenium.
Synonyms	Ammonium rhenium oxide
IUPAC Name	Azanium;oxido(trioxo)rhenium
Molecular Weight	268.24
Molecular Formula	H4NO4Re
Canonical SMILES	[NH4+].[O-][Re](=O)(=O)=O
InChI	InChI=1S/H3N.4O.Re/h1H3;/q;-1;/p+1
InChI Key	HOJYZCWLNWENHS-UHFFFAOYSA-O
Melting Point	365 °C
Purity	99%+
Density	3.97 g/mL at 25 °C (lit.)
Appearance	White powder
Complexity	95.8
Covalently-Bonded Unit Count	2
Defined Atom Stereocenter Count	0
EC Number	237-075-6
Exact Mass	268.969785
Formal Charge	0
Heavy Atom Count	6
Hydrogen Bond Acceptor Count	4
Hydrogen Bond Donor Count	1
MDL Number	MFCD00012377
Monoisotopic Mass	268.969785
Rotatable Bond Count	0
Topological Polar Surface Area	75.3 Ų