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Oxides and peroxides

Yellowcake

Also known as Ammonium diuranate, Diammonium diuranate, Ammonium uranate(VI)

CAS 7783-22-4Formula H8N2O7U2-12Molar mass 624.13 g/molEC 231-986-2
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Yellowcake chemical structure, H8N2O7U2-12, CAS 7783-22-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7783-22-4
Formula
H8N2O7U2-12
Molar mass
624.13 g/mol
EC number
231-986-2
HS code
284410
Category
Oxides and peroxides

What is Yellowcake?

Plain description, key identifiers and synonyms

Yellowcake is a chemical substance with the molecular formula H8N2O7U2-12 and a molar mass of 624.13 g/mol. Its CAS registry number is 7783-22-4. The IUPAC name is diazanium, heptakis(oxygen(2-)), uranium.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diazanium, heptakis(oxygen(2-)), uranium
CAS number
7783-22-4
EC number
231-986-2
Molecular formula
H8N2O7U2-12
UNII
39Y3LFK95B
InChIKey
ZAASRHQPRFFWCS-UHFFFAOYSA-P
InChI
InChI=1S/2H3N.7O.2U/h2*1H3;;;;;;;;;/q;;7*-2;;/p+2
SMILES (canonical and isomeric)
[NH4+].[NH4+].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[U].[U]

Synonyms

  • Ammonium diuranate
  • Diammonium diuranate
  • Ammonium uranate(VI)
  • Ammonium uranium oxide ((NH4)2U2O7)
  • Uranic acid, diammonium salt
  • Uranate, diammonium
  • Diammonium diuranium heptaoxide
  • Diammonium diuranium pentaoxide
  • ADU
  • Diammonium diuranium heptoxide
  • Ammonium uranate ((nh4)2u2o7)
  • Ammonium diuranate ((nh4)2u2o7)

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
624.13 g/molcalc.
Exact mass
624.1413 Dacalc.
LogP (octanol/water)
-0.08calc.
Topological polar surface area
272.5 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
-12calc.
Stereocentres
0calc.
Components
11calc.

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.

Yellowcake suppliers

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Yellowcake price

Indicative price range per kg from live supplier offers

No published prices right now

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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: Inactive 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 Yellowcake 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 Yellowcake is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Yellowcake, based on the data on this page

What is Yellowcake?

Yellowcake is a chemical substance with the molecular formula H8N2O7U2-12 and a molar mass of 624.13 g/mol. Its CAS registry number is 7783-22-4. The IUPAC name is diazanium, heptakis(oxygen(2-)), uranium.

What is the CAS number of Yellowcake?

The CAS registry number of Yellowcake is 7783-22-4.

What is the molecular formula and weight of Yellowcake?

The molecular formula of Yellowcake is H8N2O7U2-12 and its molar mass is 624.13 g/mol.

Is Yellowcake hazardous?

No GHS hazard classification for Yellowcake 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 Yellowcake?

Yellowcake 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 Yellowcake?

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What is the price of Yellowcake?

Suppliers quote Yellowcake 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 Yellowcake

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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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