Potassium permanganate

Potassium permanganate

Names
IUPAC name Potassium manganate(VII)
Ither names Potassium permanganate Chameleon mineral Condy's crystals Permanganate of potash Hypermangan
Identifiers
CAS Nummer	7722-64-7 Y
3D model (JSmol)	Interactive eemage
ChemSpider	22810 Y
EC Nummer	231-760-3
KEGG	D02053 N
PubChem CID	516875
RTECS nummer	SD6475000
UN nummer	1490
InChI InChI=1S/K.Mn.4O/q+1;;;;;-1 Y Key: VZJVWSHVAAUDKD-UHFFFAOYSA-N Y
SMILES [K+].[O-][Mn](=O)(=O)=O
Properties
Chemical formula	KMnO4
Molar mass	158.034 g/mol
Appearance	purplish-bronze-gray needles magenta–rose in solution
Odour	odorless
Density	2.703 g/cm3
Meltin pynt	240 °C (464 °F; 513 K) (decomposes)
Solubility in watter	6.4 g/100mL (20 °C) 250 g/L (65 °C)
Solubility	decomposes in alcohol and organic solvents
Magnetic susceptibility	+20.0·10−6 cm3/mol
Refractive index (nD)	1.59
Structur
Creestal structur	Orthorhombic
Thermochemistry
Speceefic heat capacity, C	119.2 J/mol K
Staundart molar entropy So298	171.7 J K−1 mol−1
Std enthalpy o formation ΔfHo298	−813.4 kJ/mol
Gibbs free energy (ΔfG˚)	-713.8 kJ/mol
Pharmacology
ATC code	D08AX06 (WHO) V03AB18 (WHO)
Hazards
EU clessification	O Xn N
R-phrases	R8, R22, R50/53
S-phrases	(S2), S60, S61
NFPA 704	0 2 0 OX
Lethal dose or concentration (LD, LC):
LD50 (Median dose)	1090 mg/kg (oral, ratton)
Relatit compoonds
Ither anions	Potassium manganite Potassium manganate
Ither cations	Sodium permanganate Ammonium permanganate
Relatit compoonds	Manganese heptoxide
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
Y verify (whit is YN ?)
Infobox references

Potassium permanganate is an inorganic chemical compoond an medication. As a medication it is uised for cleanin wounds an dermatitis.