Permanganic acid information

Permanganic acid
Names
	IUPAC name Permanganic acid
	Other names Manganic(VII) acid; Hydroxy(trioxo)manganese; Hydrogen permanganate
Identifiers
CAS Number	13465-41-3; 24653-70-1 (dihydrate);
3D model (JSmol)	Interactive image;
ChemSpider	374116;
ECHA InfoCard	100.033.346
EC Number	236-695-4;
PubChem CID	422689;
CompTox Dashboard (EPA)	DTXSID40920531 ;
	InChI InChI=1S/Mn.H2O.3O/h;1H2;;;/q+1;;;;/p-1 Key: ZJBYBXHCMWGGRR-UHFFFAOYSA-M;
	SMILES O=[Mn](=O)(=O)O;
Properties
Chemical formula	HMnO4
Molar mass	119.94 g mol−1
Appearance	Violet
Acidity (pKa)	about -4.6 to -2.3
Conjugate base	Permanganate
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Oxidant, Corrosive
Related compounds
Other cations	Potassium permanganate; Sodium permanganate; Calcium permanganate
Related compounds	Pertechnetic acid; Perrhenic acid; Perchloric acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Permanganic acid (or manganic(VII) acid) is the inorganic compound with the formula HMnO₄. This strong oxoacid has been isolated as its dihydrate. It is the conjugate acid of permanganate salts. It is the subject of few publications and its characterization as well as its uses are very limited.

^ Stewart, R.; Mocek, M.M. (1963). "The Mechanisms of Permanganate Oxidation VII: The Oxidation of Fluoral Hydrate". Canadian Journal of Chemistry. 41 (5): 1160–9. doi:10.1139/v63-164.
^ Bailey, N.; Carrington, A.; Lott, K.A.K.; Symons, M.C.R (1960). "Structure and Reactivity of the Oxyanions of Transition Metals Part VII: Acidities and Spectra of Protonated Oxyanions". Journal of the Chemical Society (Resumed): 290–7. doi:10.1039/JR9600000290.

[1] Stewart, R.; Mocek, M.M. (1963). "The Mechanisms of Permanganate Oxidation VII: The Oxidation of Fluoral Hydrate". Canadian Journal of Chemistry. 41 (5): 1160–9. doi:10.1139/v63-164.

[2] Bailey, N.; Carrington, A.; Lott, K.A.K.; Symons, M.C.R (1960). "Structure and Reactivity of the Oxyanions of Transition Metals Part VII: Acidities and Spectra of Protonated Oxyanions". Journal of the Chemical Society (Resumed): 290–7. doi:10.1039/JR9600000290.

Permanganic acid information

and 11 Related for: Permanganic acid information

Permanganic acid

Manganese heptoxide

Oxyacid

Acidic oxide

Periodic acid

Permanganate

Harmon Northrop Morse

Barium permanganate

Pertechnetic acid

Barium manganate

Perrhenic acid

Names

IUPAC name Permanganic acid
Other names Manganic(VII) acid Hydroxy(trioxo)manganese Hydrogen permanganate
Identifiers
CAS Number	13465-41-3 24653-70-1 (dihydrate)
3D model (JSmol)	Interactive image
ChemSpider	374116
ECHA InfoCard	100.033.346
EC Number	236-695-4
PubChem CID	422689
CompTox Dashboard (EPA)	DTXSID40920531
InChI InChI=1S/Mn.H2O.3O/h;1H2;;;/q+1;;;;/p-1 Key: ZJBYBXHCMWGGRR-UHFFFAOYSA-M
SMILES O=[Mn](=O)(=O)O
Properties
Chemical formula	HMnO₄
Molar mass	119.94 g mol⁻¹
Appearance	Violet
Acidity (pK_a)	about -4.6 to -2.3 ^[1]^[2]
Conjugate base	Permanganate
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Oxidant, Corrosive
Related compounds
Other cations	Potassium permanganate Sodium permanganate Calcium permanganate
Related compounds	Pertechnetic acid Perrhenic acid Perchloric acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references