Manganese(II) acetate Chemical Properties

Melting point:

180°C

Density 

1.589

vapor pressure 

13hPa at 25℃

storage temp. 

Store below +30°C.

form 

Powder

color 

Grayish-beige to light brown

Water Solubility 

Soluble in water, methanol and acetic acid.

Sensitive 

Hygroscopic

Merck 

13,5746

Exposure limits

OSHA: Ceiling 5 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3

InChI

InChI=1S/2C2H4O2.Mn/c2*1-2(3)4;/h2*1H3,(H,3,4);/q;;+2/p-2

InChIKey

NKKRYPIWDQMINN-UHFFFAOYSA-M

SMILES

C(=O)(C)O[Mn]OC(=O)C

CAS DataBase Reference

638-38-0(CAS DataBase Reference)

EPA Substance Registry System

Acetic acid, manganese(2+) salt (638-38-0)

Safety Information

Hazard Codes 

Xn

Risk Statements 

20/21/22-36/37/38-40

Safety Statements 

26-27-36/37/39

WGK Germany 

3

RTECS 

AI5770000

TSCA 

Yes

HS Code 

2915 29 00

Hazardous Substances Data

638-38-0(Hazardous Substances Data)

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

Manganese(II) acetate Usage And Synthesis

Description

Manganese (II) acetate is the chemical compound with the formula Mn(CH₃COO)₂. It is used as a desiccant, a catalyst, and as fertilizer.

Chemical Properties

Pale-red crystals.Soluble in water and alcohol. Combustible.

Uses

Manganese(II) acetate is used as a dye mordant and varnish drier. It is also used in fertilizers, food packaging and feed additives. Further, it serves as a desiccant, catalyst, intermediate and ion exchange agent.

Uses

Textile dyeing, oxidation catalyst, paint and varnish (drier, boiled oil manufacture), fertilizers, food packaging, feed additive.

Reactions

Manganese (II) acetate can be formed by reacting acetic acid with either manganese (II,III) oxide or manganese (II) carbonate :
Mn₃O₄ + 2CH₃COOH → Mn(CH₃COO)₂ + Mn₂O₃+ H₂O
If manganese (II,III) oxide is used , manganese (III) oxide is produced as a byproduct.
If the anhydrous form needs to be produced, manganese (II) nitrate can be reacted with acetic anhydride.

reaction suitability

core: manganese

Purification Methods

Crystallise it from water acidified with acetic acid. [Beilstein 2 IV 120.]

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