CAS #:

Linear Formula:

MnC2O4• 2H2O

MDL Number:


EC No.:



(2N) 99% Manganese Oxalate Dihydrate
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(3N) 99.9% Manganese Oxalate Dihydrate
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(4N) 99.99% Manganese Oxalate Dihydrate
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(5N) 99.999% Manganese Oxalate Dihydrate
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Manganese Oxalate Dihydrate Properties (Theoretical)

Compound Formula C2H4MnO6
Molecular Weight 178.99
Appearance White powder or chunks
Melting Point 100 °C
Boiling Point N/A
Density 2.453 g/cm3
Solubility in H2O N/A
Exact Mass 142.917704
Monoisotopic Mass 142.917704

Manganese Oxalate Dihydrate Health & Safety Information

Signal Word Warning
Hazard Statements H301-H311
Hazard Codes Xn
Risk Codes 21/22
Safety Statements 24/25
RTECS Number N/A
Transport Information UN3077 9/PG III
WGK Germany N/A

About Manganese Oxalate Dihydrate

Manganese Oxalate Dihydrate is a white crystalline compound used as a desiccant or drying agent for paints and varnishes. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Manganese Oxalate Dihydrate Synonyms

Manganese(II) oxalate dihydrate; manganous oxalate dihydrate; manganese(2+) oxalate dihydrate; ethanedioic acid, manganese(2+) salt (1:1); manganese(2+) ethanedioate dihydrate; Manganese, (ethanedioato(2-)-κO1, κO2)-; 170630-73-6, 640-67-5 (anhydrous)

Chemical Identifiers

Linear Formula MnC2O4• 2H2O
MDL Number MFCD00150452
EC No. 211-367-3
Beilstein/Reaxys No. N/A
Pubchem CID 516786
IUPAC Name manganese(2+); oxalate; dihydrate
SMILES C(=O)(C(=O)[O-])[O-].O.O.[Mn+2]
InchI Identifier InChI=1S/C2H2O4.Mn.2H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);;2*1H2/q;+2;;/p-2

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements


See more Manganese products. Manganese (atomic symbol: Mn, atomic number: 25) is a Block D, Group 7, Period 4 element with an atomic weight of 54.938045. Manganese Bohr ModelThe number of electrons in each of Manganese's shells is [2, 8, 13, 2] and its electron configuration is [Ar] 3d5 4s2. The manganese atom has a radius of 127 pm and a Van der Waals radius of 197 pm. Manganese was first discovered by Torbern Olof Bergman in 1770 and first isolated by Johann Gottlieb Gahn in 1774. In its elemental form, manganese has a silvery metallic appearance. Elemental ManganeseIt is a paramagnetic metal that oxidizes easily in addition to being very hard and brittle. Manganese is found as a free element in nature and also in the minerals pyrolusite, braunite, psilomelane, and rhodochrosite. The name Manganese originates from the Latin word mangnes, meaning "magnet."


May 28, 2023
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