moleculefinder

Aluminium oxide

Al2O3101.961 g/mol Calculated

Also called Abramant, Abramax, Abrarex and Abrasit.

Alumina: the grit on sandpaper and grinding wheels, the ceramic in spark plugs, and, as a single crystal with a trace of chromium, a ruby.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Other namesfrom sourceWikidataIts English label and aliases on Wikidata.
  • Formula and weightcomputedPubChem
  • 2D drawingcomputedPubChem structure, drawn by RDKit

Where you encounter it

A pure element or an engineered material, rather than an ingredient in a product. Aluminium oxide on the product labels we hold.

Medicines

Aleve PMAdded by the makerInactive ingredient
Bayer Low Dose AspirinAdded by the makerInactive ingredient
DexilantAdded by the makerInactive ingredient
DiflucanAdded by the makerInactive ingredient
Hysingla ERAdded by the makerInactive ingredient
KeppraAdded by the makerInactive ingredient
MucinexAdded by the makerInactive ingredient
Mucinex DAdded by the makerInactive ingredient
Mucinex DMAdded by the makerInactive ingredient
NucyntaAdded by the makerInactive ingredient
ProscarAdded by the makerInactive ingredient
ReglanAdded by the makerInactive ingredient
6 more
RestorilAdded by the makerInactive ingredient
RisperdalAdded by the makerInactive ingredient
Rolaids Advanced Soft ChewsAdded by the makerInactive ingredient
Sudafed Sinus CongestionAdded by the makerInactive ingredient
Tylenol Extra StrengthAdded by the makerInactive ingredient
ZoloftAdded by the makerInactive ingredient

Personal care

Blue Lizard Sport SPF 50Added by the makerInactive ingredient
CeraVe Hydrating Mineral Sunscreen SPF 30Added by the makerInactive ingredient

Every product and list we hold

Sources and notes
  • The product labels and their strengthsfrom sourceDailyMed (FDA label)Each label lists the molecule as an ingredient, and an active ingredient at the strength shown.
  • How it gets therefrom sourceMoleculeFinder curatedEach mark is set by hand on our lists, never inferred; a label's ingredient is added by the maker. A row with no mark data says Not marked.
  • The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Properties and sources

Calculated by PubChem

Molecular formula
Al2O3
Molecular weight
101.961 g/mol
Polar surface areatopological
3 Ų
H-bond donors
0
H-bond acceptors
3
Rotatable bonds
0
Complexity
0

Measured LD50, HSDB via PubChem

5,000 mg/kg pure aluminium oxide, rat, oral

An LD50 is an animal study measurement, not a dose for a person.

Reported Hazard label (GHS), ECHA via PubChem

Warning Irritant pictogram (GHS07); hazard statements H335

Groups it belongs to

Category
Element & material
Family
Hard mineral solids
Elements
Aluminium
Hazard classes
Irritant, GHS Warning
SMILES[O-2].[O-2].[O-2].[Al+3].[Al+3]

PubChem CID 9989226 · Wikidata Q177342 · InChIKey PNEYBMLMFCGWSK-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Aluminium oxide?
Alumina: the grit on sandpaper and grinding wheels, the ceramic in spark plugs, and, as a single crystal with a trace of chromium, a ruby.
How toxic is Aluminium oxide?
The reported LD50 of Aluminium oxide is 5,000 mg/kg (rat, oral). An LD50 is an animal study measurement, not a dose for a person. Its GHS hazard label carries the signal word Warning and the hazard pictogram Irritant. from sourcefrom source
What kind of molecule is Aluminium oxide?
Aluminium oxide has the formula Al2O3 and a molecular weight of 101.961 g/mol. MoleculeFinder files it under hard mineral solids, in the element & material group. from sourcefrom sourcefrom sourcefrom source
What else is Aluminium oxide called?
Aluminium oxide is also called Abramant, Abramax, Abrarex and Abrasit. from source
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • LD50from sourceHSDB via PubChem
  • Hazard labelfrom sourceECHA via PubChemThe label combines these classifications.
  • ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09