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Dyes and pigments

Uranyl acetate

Also known as bis(acetic acid), dioxouranium, Bis(acetato)dioxouranium, Bis(acetato)dioxouranium dihydrate

CAS 541-09-3Formula C4H6O6UMolar mass 388.12 g/molEC 208-767-5
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Serious health hazard, Hazardous to the environment 1 supplier listed
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Uranyl acetate chemical structure, C4H6O6U, CAS 541-09-3
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Density
Rhombic, yellow crystals, decomp before reaching bp of 275 °C, loses 2H2O at 110 °C, den…
HS code
284410
Category
Dyes and pigments
UN number
UN 2910
Illustrative photo, closed jumbo bulk bags in a warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Uranyl acetate?

Plain description, key identifiers and synonyms

Uranyl acetate appears as yellow crystals with a slight odor of vinegar. Density 2.89 g / cm3.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dioxouranium(2+) diacetate
CAS number
541-09-3 CAS number cross-checked
EC number
208-767-5
Molecular formula
C4H6O6U
InChIKey
MCRZASGCXKHFTN-UHFFFAOYSA-L
InChI
InChI=1S/2C2H4O2.2O.U/c2*1-2(3)4;;;/h2*1H3,(H,3,4);;;/q;;;;+2/p-2
SMILES (canonical and isomeric)
CC(=O)[O-].CC(=O)[O-].O=[U+2]=O

Synonyms

  • bis(acetic acid), dioxouranium
  • Bis(acetato)dioxouranium
  • Bis(acetato)dioxouranium dihydrate
  • Bis(acetato-o)dioxouranium
  • Diacetatodioxouranium
  • Uranium acetate
  • Uranium diacetate dioxide
  • Uranium oxyacetate
  • Uranium, bis(acetato)dioxo-
  • Uranium, bis(acetato-kappaO)dioxo-, (T-4)-
  • Uranium, bis(acetato-o)dioxo-, (t-4)-
  • Uranyl acetate (UO2(OAc)2)
  • Uranyl diacetate
  • Uranyl(2+) acetate
  • uranylacetatdihydrat

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

Physical form
Crystalsexp.
Odour
Vinegar-like odorexp.
Density
Rhombic, yellow crystals, decomp before reaching bp of 275 °C, loses 2H2O at 110 °C, density= 2.893 at 15 °C, decomposes in hot water, solubilities: 7.694 g/100 mL water at 15 °C, very soluble in alcohol /Dihydrate/exp.

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
388.12 g/molcalc.
Exact mass
388.0672 Dacalc.
LogP (octanol/water)
-2.73calc.
Topological polar surface area
114.4 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
0calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H300 + H330Fatal if swallowed. Fatal if inhaled.
  • H300Fatal if swallowed.
  • H330Fatal if inhaled.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (17)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P319Get medical help if you feel unwell.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2910

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

Full safety data and first aid

Uranyl acetate suppliers

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Where suppliers are based

1 supplier in 1 country

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Uranyl acetate 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

Reagent for precipitation of sodium, in dry copying inks & as activator in bacterial oxidation processes. (Uranyl Acetate Dihydrate).

Laboratory reagent.

In electron microscopy ... negative and nuclear stain.

Because uranyl acetate is decomposed by light, it has been used in solar batteries and is used chiefly in analytical chemistry.

Pharmacological actions

  • Coloring Agents

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

Frequently asked questions

Quick answers about Uranyl acetate, based on the data on this page

What is Uranyl acetate?

Uranyl acetate appears as yellow crystals with a slight odor of vinegar. Density 2.89 g / cm3.

What is the CAS number of Uranyl acetate?

The CAS registry number of Uranyl acetate is 541-09-3.

What is the molecular formula and weight of Uranyl acetate?

The molecular formula of Uranyl acetate is C4H6O6U and its molar mass is 388.12 g/mol.

What is Uranyl acetate used for?

Reagent for precipitation of sodium, in dry copying inks & as activator in bacterial oxidation processes. (Uranyl Acetate Dihydrate). Laboratory reagent. In electron microscopy ... negative and nuclear stain.

Is Uranyl acetate hazardous?

Uranyl acetate carries the GHS signal word "Danger". Main hazards: fatal if swallowed. fatal if inhaled, fatal if swallowed, fatal if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Uranyl acetate?

Uranyl acetate 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 Uranyl acetate?

CompoundList lists 1 supplier of Uranyl acetate in India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Uranyl acetate in India?

1 supplier in India list Uranyl acetate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Uranyl acetate?

Suppliers quote Uranyl acetate 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 Uranyl acetate

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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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