Manganese(II) acetate

Manganese(II) acetate
Names
	IUPAC name Manganese(II) acetate
	Other names Manganese diacetate
Identifiers
CAS Number	638-38-0 (anhydrous) ; 19513-05-4 (dihydrate) ; 6156-78-1 (tetrahydrate) ;
3D model (JSmol)	Interactive image;
ChemSpider	12008 ;
ECHA InfoCard	100.010.305
PubChem CID	12525;
UNII	0V6E9Q2I0Y (anhydrous) ; 9TO51D176N (tetrahydrate) ;
CompTox Dashboard (EPA)	DTXSID5027279 ;
	InChI InChI=1S/2C2H4O2.Mn/c21-2(3)4;/h21H3,(H,3,4);/q;;+2/p-2 Key: UOGMEBQRZBEZQT-UHFFFAOYSA-L ;
	SMILES CC([O-])=O.CC([O-])=O.[Mn+2];
Properties
Chemical formula	Mn(CH3CO2)2 (anhydrous); Mn(CH3CO2)2·4H2O (tetrahydrate)
Molar mass	173.027 g/mol (anhydrous); 245.087 g/mol (tetrahydrate)
Appearance	white crystals (anhydrous); light pink monoclinic crystals (tetrahydrate)
Density	1.74 g/cm3 (anhydrous); 1.59 g/cm3 (tetrahydrate)
Melting point	210 °C (410 °F; 483 K) (anhydrous); 80 °C (tetrahydrate)
Solubility	soluble in water (about 700g/L at 20°C for tetrahydrate), methanol, acetic acid (anhydrous); soluble in water, ethanol (tetrahydrate)
Magnetic susceptibility (χ)	+13,650·10−6 cm3/mol
Hazards
NFPA 704 (fire diamond)	1 0 0
Flash point	> 130 °C (266 °F; 403 K) (tetrahydrate)
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	2940 mg/kg (rat, oral)
Related compounds
Other anions	Manganese(II) fluoride; Manganese(II) chloride; Manganese(II) bromide
Other cations	Zinc acetate; Mercury(II) acetate; Silver acetate
	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

Manganese(II) acetate are chemical compounds with the formula Mn(CH₃CO₂)₂·(H₂O)n where n = 0, 2, 4. These materials are white or pale pink solids. Some of these compounds are used as a catalyst and as fertilizer.