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Manganese(III) oxide

CAS 1317-34-6Mn2O3MW 157.874

Manganese(III) oxide (CAS 1317-34-6) — formula Mn2O3, molecular weight 157.874; category inorganic chemicals.

Product Overview

CAS Number1317-34-6
Molecular FormulaMn2O3
Molecular Weight157.874
CategoryInorganic Chemicals

Technical Profile

What this product is

Manganese(III) oxide is an inorganic compound with CAS registry number 1317-34-6 and molecular formula Mn2O3 (molecular weight 157.874), belonging to the inorganic chemicals segment of chemical raw materials.

Identification

CAS number: 1317-34-6

Its molecular formula Mn2O3 comprises 2 Mn, 3 O atoms.

Also known as: Manganese(III) oxide · 三氧化锰

Category: inorganic chemicals

Frequently Asked Questions

What is the CAS number of Manganese(III) oxide?

The CAS registry number of Manganese(III) oxide is 1317-34-6.

What is the molecular formula and molecular weight of Manganese(III) oxide?

Molecular formula Mn2O3, molecular weight 157.874.

What other names is Manganese(III) oxide known by?

It is also registered under: Manganese(III) oxide, 三氧化锰.

Which category does Manganese(III) oxide belong to?

Category: Inorganic Chemicals.

PubChem Public Data

Independent reference data for Manganese(III) oxide (CAS 1317-34-6), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number1317-34-6
PubChem CID14824
Molecular formulaMn2O3
IUPAC nameoxo(oxomanganiooxy)manganese
UNII (FDA)XQ8YIG4A7C

Computed descriptors

Molecular Weight157.874
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass157.860830
Monoisotopic Mass157.860830
Topological Polar Surface Area43.4
Heavy Atom Count5

Physicochemical values on record

Density5 @25 °C

Documented uses on record

    Found in the mineral hausmannite; [Merck Index] Used to produce ceramic magnets and semiconductors; [Ullmann]Semiconductor Manufacturing [Category: Industry]

    Synonyms and trade names

    Manganese(III) oxide; Manganese oxide (Mn2O3); Manganese sesquioxide; Manganic oxide; Dimanganese trioxide; Manganese trioxide; Manganese manganate; Manganese sisquioxide; Manganese(3+) oxide; EINECS 215-264-4; XQ8YIG4A7C; oxo[(oxomanganio)oxy]manganese; oxo((oxomanganio)oxy)manganese; MANGANESE SESQUIOXIDE, Mn2O3; RefChem:809905; bis(manganesoylol) manganese

    Regulatory listings held on file

    GHS notification summary7.9% (38 / 484)

    GHS hazard classification

    GHS notification summary7.9% (38 / 484)
    Reported hazard statementsH302 (58.7%), H312 (50.2%), H315 (91.3%), H319 (91.3%), H332 (58.5%), H335 (62.6%), H360, H370

    This chemical does not meet GHS hazard criteria for 7.9% (38 of 484) of reports.

    H302 (58.7%): Harmful if swallowed [Warning Acute toxicity, oral]

    What the public record says

    Manganese(III) oxide · CAS 1317-34-6 · Mn2O3. UNII XQ8YIG4A7C. Density: 5 @25 °C.

    Physical description and handling notes

    Source: PubChem / Wikidata; the batch COA governs where values differ.

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