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Aluminum oxide, basic

CAS 39377-45-2Formula Al4O9-6Molar mass 251.92 g/molEC 254-434-2
Aluminum oxide, basic chemical structure, Al4O9-6, CAS 39377-45-2
2D chemical structure

Key facts

What buyers check first

CAS number
39377-45-2
Formula
Al4O9-6
Molar mass
251.92 g/mol
EC number
254-434-2
HS code
281820
Category
Oxides and peroxides

What is Aluminum oxide, basic?

Plain description, key identifiers and synonyms

Aluminum oxide, basic is a chemical substance with the molecular formula Al4O9-6 and a molar mass of 251.92 g/mol. Its CAS registry number is 39377-45-2. The IUPAC name is tetraaluminum, nonakis(oxygen(2-)).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tetraaluminum, nonakis(oxygen(2-))
CAS number
39377-45-2 CAS number cross-checked
EC number
254-434-2
Molecular formula
Al4O9-6
InChIKey
BMPTWCSZTNWSNE-UHFFFAOYSA-N
InChI
InChI=1S/4Al.9O/q4*+3;9*-2
SMILES (canonical and isomeric)
[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Al+3].[Al+3]

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
251.92 g/molcalc.
Exact mass
251.8837 Dacalc.
LogP (octanol/water)
-2.59calc.
Topological polar surface area
256.5 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
13calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
-6calc.
Stereocentres
0calc.
Components
13calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Aluminum oxide, basic suppliers

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Aluminum oxide, basic price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Aluminum oxide, basic is traded under.

HS 2818.20Indicative HS code

Aluminium oxide, other than artificial corundum

World exports in 2024
$17.1B
+30.2% vs 2023, imports $15.1B
2019 to 2024
Top exporters
  1. Australia40.1%
  2. Brazil19.7%
  3. Indonesia11.9%
Top importers
  1. Canada14.3%
  2. Bahrain * partner reported9.7%
  3. United Arab Emirates * partner reported8.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Aluminum oxide, basic is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Aluminum oxide, basic, based on the data on this page

What is Aluminum oxide, basic?

Aluminum oxide, basic is a chemical substance with the molecular formula Al4O9-6 and a molar mass of 251.92 g/mol. Its CAS registry number is 39377-45-2. The IUPAC name is tetraaluminum, nonakis(oxygen(2-)).

What is the CAS number of Aluminum oxide, basic?

The CAS registry number of Aluminum oxide, basic is 39377-45-2.

What is the molecular formula and weight of Aluminum oxide, basic?

The molecular formula of Aluminum oxide, basic is Al4O9-6 and its molar mass is 251.92 g/mol.

Is Aluminum oxide, basic hazardous?

No GHS hazard classification for Aluminum oxide, basic is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Aluminum oxide, basic?

Aluminum oxide, basic is usually classified under HS code 281820 (Aluminium oxide, other than artificial corundum). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Aluminum oxide, basic?

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What is the price of Aluminum oxide, basic?

Suppliers quote Aluminum oxide, basic on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Aluminum oxide, basic

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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