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Oxides and peroxides

Tungstate

Also known as dioxido(dioxo)tungsten, Tungstate ion, Tungstate(Vi)ion

CAS 14311-52-5Formula O4W-2Molar mass 247.84 g/mol
5 suppliers listed
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Tungstate chemical structure, O4W-2, CAS 14311-52-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
14311-52-5
Formula
O4W-2
Molar mass
247.84 g/mol
HS code
282590
Category
Oxides and peroxides

What is Tungstate?

Plain description, key identifiers and synonyms

Tungstate is a divalent inorganic anion obtained by removal of both protons from tungstic acid. It is a tungsten oxoanion and a divalent inorganic anion. It is a conjugate base of a hydrogentungstate.

Tungstate is an oxyanion of tungsten, WO₄²⁻.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dioxido(dioxo)tungsten
CAS number
14311-52-5Other or deprecated CAS: 12737-86-9, 51682-10-1
Molecular formula
O4W-2
UNII
SW0Y0WQ46I
InChIKey
PBYZMCDFOULPGH-UHFFFAOYSA-N
InChI
InChI=1S/4O.W/q;;2*-1;
SMILES (canonical and isomeric)
[O-][W](=O)(=O)[O-]

Synonyms

  • dioxido(dioxo)tungsten
  • Tungstate ion
  • Tungstate(Vi)ion
  • wolframate
  • Tungstate (W12(OH)2O4010-)
  • Tungstate, (188)W-labeled, tungstate, W-O4(2-)
  • Wolframat
  • tetraoxidotungstate(VI)
  • tetraoxidotungstate(2-)
  • Tungsten (VI) tetraoxide
  • WO4(2-)
  • [WO4](2-)

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
247.84 g/molcalc.
Exact mass
247.9317 Dacalc.
LogP (octanol/water)
-2.62calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
-2calc.
Stereocentres
0calc.

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.

Tungstate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 5 suppliers
5 of 5 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

5 suppliers in 3 countries

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Tungstate price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Tungstate is traded under.

HS 2825.90Indicative HS code

Inorganic bases not elsewhere classified in heading 2825

World exports in 2024
$972M
+5.4% vs 2023, imports $3.4B
2019 to 2024
Top exporters
  1. China28.5%
  2. United States23.7%
  3. Brazil10.8%
Top importers
  1. South Korea77.2%
  2. Japan4.3%
  3. United States3.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Tungstate?

Tungstate is a divalent inorganic anion obtained by removal of both protons from tungstic acid. It is a tungsten oxoanion and a divalent inorganic anion. It is a conjugate base of a hydrogentungstate.

What is the CAS number of Tungstate?

The CAS registry number of Tungstate is 14311-52-5. Other or deprecated CAS numbers: 12737-86-9, 51682-10-1.

What is the molecular formula and weight of Tungstate?

The molecular formula of Tungstate is O4W-2 and its molar mass is 247.84 g/mol.

Is Tungstate hazardous?

No GHS hazard classification for Tungstate 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 Tungstate?

Tungstate is usually classified under HS code 282590 (Hydrazine and hydroxylamine and their inorganic salts, other inorganic bases, other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tungstate?

CompoundList lists 5 suppliers of Tungstate in Germany, Canada and China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Tungstate?

Suppliers quote Tungstate 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 Tungstate

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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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