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Oxides and peroxides

Triuranium octaoxide

Also known as Uranyl uranate, Uranium octaoxide, Uranium oxide (U3O8)

CAS 1344-59-8Formula O8U3Molar mass 842.08 g/molEC 215-702-4
1 supplier listed
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Triuranium octaoxide chemical structure, O8U3, CAS 1344-59-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1344-59-8
Formula
O8U3
Molar mass
842.08 g/mol
EC number
215-702-4
HS code
284410
Category
Oxides and peroxides

What is Triuranium octaoxide?

Plain description, key identifiers and synonyms

Triuranium octaoxide is a chemical substance with the molecular formula O8U3 and a molar mass of 842.08 g/mol. Its CAS registry number is 1344-59-8.

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
1344-59-8
EC number
215-702-4
Molecular formula
O8U3
InChIKey
IQWPWKFTJFECBS-UHFFFAOYSA-N
InChI
InChI=1S/8O.3U
SMILES (canonical and isomeric)
O=[U](=O)=O.O=[U](=O)O[U](=O)=O

Synonyms

  • Uranyl uranate
  • Uranium octaoxide
  • Uranium oxide (U3O8)
  • Triuranium octoxide
  • Uranous-uranic oxide
  • Uranium octoxide
  • Uranium oxide-protoxide
  • C.I. 77919

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
842.08 g/molcalc.
Exact mass
842.1117 Dacalc.
LogP (octanol/water)
-0.9calc.
Topological polar surface area
128.7 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
2calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

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.

Triuranium octaoxide suppliers

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Where suppliers are based

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Triuranium octaoxide 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

Industries and functions

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 Triuranium octaoxide is traded under.

HS 2844.10Indicative HS code

Natural uranium and its compounds, alloys, dispersions (including cermets), ceramic…

World exports in 2024
$7.66B
+47.4% vs 2023, imports $7.29B
2019 to 2024
Top exporters
  1. Canada42.9%
  2. Kazakhstan * partner reported27.8%
  3. United States12.6%
Top importers
  1. China31.8%
  2. United States21.6%
  3. Netherlands17.7%

* Partner reported figures, a lower bound.

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

The HS code shown for Triuranium octaoxide is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Triuranium octaoxide, based on the data on this page

What is Triuranium octaoxide?

Triuranium octaoxide is a chemical substance with the molecular formula O8U3 and a molar mass of 842.08 g/mol. Its CAS registry number is 1344-59-8.

What is the CAS number of Triuranium octaoxide?

The CAS registry number of Triuranium octaoxide is 1344-59-8.

What is the molecular formula and weight of Triuranium octaoxide?

The molecular formula of Triuranium octaoxide is O8U3 and its molar mass is 842.08 g/mol.

What is Triuranium octaoxide used for?

Known uses and roles of Triuranium octaoxide include pigments in paints and coatings.

Is Triuranium octaoxide hazardous?

No GHS hazard classification for Triuranium octaoxide 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 Triuranium octaoxide?

Triuranium octaoxide is usually classified under HS code 284410 (Natural uranium and its compounds, alloys, dispersions (including cermets), ceramic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triuranium octaoxide?

CompoundList lists 1 supplier of Triuranium octaoxide in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Triuranium octaoxide?

Suppliers quote Triuranium octaoxide 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 Triuranium octaoxide

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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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