醋酸锰

Description

Manganous acetate · CAS 638-38-0 · C4H6MnO4. UNII 0V6E9Q2I0Y. Melting Point: 175 °C; Density: 1.74; Density: 1.59 @25 °C.

Identification

CAS Registry Number	638-38-0
PubChem CID	12525
Molecular formula	C4H6MnO4
IUPAC name	manganese(2+) diacetate
UNII (FDA)	0V6E9Q2I0Y

Computed Descriptors

Molecular Weight	173.03
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	172.964652
Monoisotopic Mass	172.964652
Topological Polar Surface Area	80.3
Heavy Atom Count	9
Formal Charge	0
Complexity	25.5

Physical & Chemical Properties

Melting Point	175 °C
Density	1.74
Density	1.59 @25 °C

Physical description & handling notes

• Large Crystals; Dry Powder; Liquid; Large Crystals; Liquid
• Brown crystals; [HSDB]
• BROWN CRYSTALS
• SOL IN ALCOHOL
• Red monoclinic crystals; MP 80 °C; density 1.59 g/cu cm; soluble in water and ethanol. /Tetrahydrate/
• Cinnamon brown crystal solid; decomposes in water. /Dihydrate/

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	13.6% (99 / 729)

GHS Hazard Classification

GHS notification summary	13.6% (99 / 729)
Reported hazard statements	H315 (86.1%), H319 (86%), H302, H360, H372, H373, H318

Documented Uses

• Used as a dye mordant and varnish drier; [Merck Index] Used in fertilizers, food packaging, and feed additives; [Hawley]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Farming (Feed Additives) [Category: Industry]
• Textile dyeing; oxidation catalyst; paint and varnish (drier, boiled oil manufacture); fertilizers; food packaging; feed additive /Tetrahydrate/
• As mordant in dyeing; manuf bister; drier for paints and varnishes (1-1.5:1000).
• As a catalyst (either alone or in combination with cobalt) in liquid-phase air oxidation of hydrocarbons to carboxylic acids.

Synonyms

Manganese(II) acetate; 638-38-0; Manganese acetate; Manganous acetate; Diacetylmanganese; Manganese diacetate; Octan manganaty; Manganese(2+) acetate; Manganese di(acetate); Acetic acid, manganese(2+) salt; Octan manganaty [Czech]; Manganese acetate (Mn(OAc)2); DTXSID5027279; HSDB 5734; Acetic acid, manganese(II) salt (2:1); EINECS 211-334-3

Frequently Asked Questions

What are the CAS number and molecular formula of Manganous acetate?

CAS 638-38-0; molecular formula C4H6MnO4; molecular weight — g/mol.

What other names is Manganous acetate known by?

Manganese(II) acetate, 638-38-0, Manganese acetate, Manganous acetate, Diacetylmanganese, Manganese diacetate.

What is the regulatory status of Manganous acetate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Manganous acetate classified as hazardous?

13.6% of GHS notifications report no hazard classification (99 of 729).

What are the key physical properties of Manganous acetate?

Melting Point: 175 °C; Density: 1.74; Density: 1.59 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.