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Manganese(II) acetylacetonate

Product NameManganese(II) acetylacetonate
CAS14024-58-9
MFC10H14MnO4
MW253.15
EINECS237-858-2
MOL File14024-58-9.mol

Chemical Properties

Melting point	248-250 °C (dec.)(lit.)
Boiling point	130.3°C
Density	1,6 g/cm³
bulk density	550kg/m3
storage temp.	Store below +30°C.
solubility	11.5g/l
form	Powder
color	tan
Specific Gravity	1.60
Water Solubility	Soluble in water
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
Sensitive	Hygroscopic
BRN	4157965
Exposure limits	OSHA: Ceiling 5 mg/m3 NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3
Stability	hygroscopic
InChI	1S/2C5H8O2.Mn/c21-4(6)3-5(2)7;/h23,6H,1-2H3;/q;;+2/p-2/b2*4-3-;
InChIKey	ZQZQURFYFJBOCE-FDGPNNRMSA-L
SMILES	CC(=O)\C=C(\C)O[Mn]O\C(C)=C/C(C)=O
EPA Substance Registry System	Manganese, bis(2,4-pentanedionato-.kappa.O,.kappa.O')- (14024-58-9)

Safety Information

Hazard Codes	Xn
Risk Statements	20/21/22-36/37/38-40
Safety Statements	26-36
WGK Germany	3
RTECS	OO9350000
TSCA	TSCA listed
HS Code	2914 19 90
Storage Class	13 - Non Combustible Solids
Hazard Classifications	Acute Tox. 4 Dermal Acute Tox. 4 Inhalation Acute Tox. 4 Oral Carc. 2 Eye Irrit. 2 Skin Irrit. 2 STOT SE 3

MSDS

Provider	Language
SigmaAldrich	English
ALFA	English

Usage And Synthesis

Chemical Properties

Beige solid

Uses

Effect of Precursors on the Electrochemical Properties of Mixed RuOx/MnOx Electrodes Prepared by Thermal Decomposition.: This study investigates the impact of different precursors, including manganese(II) acetylacetonate, on the electrochemical properties of mixed RuOx/MnOx electrodes. The findings highlight the importance of precursor selection in optimizing electrode performance for energy storage applications (Petrucci et al., 2022).
Trinuclear coordination assemblies of low-spin dicyano manganese(II) (S = 1/2) and iron(II) (S = 0) phthalocyanines with manganese(II) acetylacetonate, tris(cyclopentadienyl)gadolinium(III) and neodymium(III).: This research explores the formation and properties of trinuclear coordination complexes involving manganese(II) acetylacetonate. These complexes exhibit unique magnetic properties that have potential applications in molecular magnetism and materials science (Romanenko et al., 2022).
ZIF-8 Membrane Permselectivity Modification by Manganese(II) Acetylacetonate Vapor Treatment.: This paper demonstrates how manganese(II) acetylacetonate vapor treatment can enhance the permselectivity of ZIF-8 membranes. Such modifications improve membrane performance in gas separation processes, offering advancements in industrial applications (Hayashi et al., 2021).
Tuning the size and composition of manganese oxide nanoparticles through varying temperature ramp and aging time.: The study focuses on the synthesis of manganese oxide nanoparticles using manganese(II) acetylacetonate as a precursor. It outlines methods to control nanoparticle size and composition, which are critical for applications in catalysis and biomedicine (Martinez de la Torre et al., 2020).
Manganese Oxide Nanoparticle Synthesis by Thermal Decomposition of Manganese(II) Acetylacetonate.: This research details the synthesis of manganese oxide nanoparticles via the thermal decomposition of manganese(II) acetylacetonate. The resulting nanoparticles show promise for use in various catalytic and biomedical applications (Martinez de la Torre and Bennewitz, 2020).

General Description

Manganese(II) acetylacetonate (Mn(acac)₂) is a transition metal acetylacetonate that is trimeric in hydrocarbon solvents. It is monomeric and tetrahedral in its vapor state. It shows Mn-O bond energy of 65 kcal mol^-1. It can be used with potassium permanganate in preparation of manganese triad (Mn(acac)₃).

reaction suitability

core: manganese

Safety Profile

Questionable carcinogen with experimental neoplastigenic and tumorigenic data. When heated to decomposition it emits acrid smoke and irritating fumes. See also iMANGANESE COMPOUNDS.

Purification Methods

Purify it by stirring 16g of reagent for a few minutes with 100mL absolute EtOH and filter by suction as rapidly as possible through coarse filter paper. Sufficient EtOH is added to the filtrate, to make up for the loss of EtOH and to redissolve any solid that separates. Water (15mL) is added to the filtrate, and the solution is evaporated with a stream of N2 until reduced to half its volume. Cool for a few minutes and filter off the yellow crystals, dry them under a stream of N2, then in a vacuum at room temperature for 6-8hours. These conditions are important for obtaining the dihydrate. A vacuum to several mm of Hg or much lower pressure for several days produces the anhydrous complex. The degree of hydration can be established by determining the loss in weight of 100g of sample after heating for 4hours at 100o and <20mmHg. The theoretical loss in weight for 2H2O is 12.5%. The material sublimes at 200o/2mm. It is soluble in heptane, MeOH, EtOH or *C6H6 at 30o. [Charles Inorg Synth VI 164 1960, Fernelius & Biswas Inorg Synth V 105 1957, Beilstein 3 II 3122.]

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