Ammonium permanganate

Ammonium permanganate
Names
	IUPAC name Ammonium manganate(VII)
	Other names Ammonium permanganate
Identifiers
CAS Number	13446-10-1 ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	55512 ;
PubChem CID	61604;
UN number	3085, 1482
CompTox Dashboard (EPA)	DTXSID101028187 ;
	InChI InChI=1S/Mn.H3N.4O/h;1H3;;;;/q;;;;;-1/p+1 Key: PASCZIGWJWZUOV-UHFFFAOYSA-O ; InChI=1/Mn.H3N.4O/h;1H3;;;;/q;;;;;-1/p+1/rMnO4.H3N/c2-1(3,4)5;/h;1H3/q-1;/p+1 Key: PASCZIGWJWZUOV-AGRLYYGXAH;
	SMILES [O-][Mn](=O)(=O)=O.[N+]; [O-][Mn](=O)(=O)=O.[NH4+];
Properties
Chemical formula	NH4MnO4
Molar mass	136.974 g/mol
Appearance	rhombic needle crystals or powder with rich violet-brown or dark purple metallic sheen, become steel-gray in storage;; magenta–rose in solution
Density	2.2g/cm3, solid
Melting point	decomposes
Solubility in water	8.0 g/100 ml at 15 °C
Structure
Crystal structure	Orthorhombic
Thermochemistry
Std molar; entropy (S⦵298)	J.K−1.mol−1
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Oxidant (O), Harmful (Xn), Dangerous for the environment (N)
NFPA 704 (fire diamond)	0 0 3 OX
Safety data sheet (SDS)	[ External MSDS]
Related compounds
Other anions	Ammonium perrhenate
Other cations	Sodium permanganate; Potassium permanganate
Related compounds	Potassium manganate (K2MnO4); Manganese heptoxide;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Ammonium permanganate is the chemical compound NH₄MnO₄, or NH₃·HMnO₄. It is a water soluble, violet-brown or dark purple salt.