CompoundList

Coprexa

Also known as Tetrathiomolybdate, Tiomolibdate ion, Tetrathioxomolybdate(2-)

CAS 16330-92-0Formula H2MoS4-2Molar mass 226.22 g/mol
Coprexa chemical structure, H2MoS4-2, CAS 16330-92-0
2D chemical structure

Key facts

What buyers check first

CAS number
16330-92-0
Formula
H2MoS4-2
Molar mass
226.22 g/mol
HS code
283090
Category
Sulfates and sulfur salts

What is Coprexa?

Plain description, key identifiers and synonyms

Tetrathiomolybdate(2-) is a molybdenum coordination entity. It has a role as a copper chelator.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
bis(sulfanylidene)molybdenum, sulfanide
CAS number
16330-92-0
Molecular formula
H2MoS4-2
UNII
91U3TGV99T
InChIKey
VVRHUOPINLMZBL-UHFFFAOYSA-L
InChI
InChI=1S/Mo.2H2S.2S/h;2*1H2;;/p-2
SMILES (canonical and isomeric)
[SH-].[SH-].S=[Mo]=S

Synonyms

  • Tetrathiomolybdate
  • Tiomolibdate ion
  • Tetrathioxomolybdate(2-)
  • tetrathiomolybdate(2-)
  • Molybdate(2-), tetrathioxo-, (T-4)-
  • bis(sulfanylidene)molybdenum, sulfanide
  • Tetrathiomolybdate ion
  • Tetrathiomolybdate 2-ion
  • tetrasulfidomolybdate(VI)
  • Thiomolybdate (mos42-)
  • tetrasulfidomolybdate(2-)
  • disulfido(dithioxo)molybdenum
  • Tetrathiomolybdate (mos42-)
  • Molybdenum sulfide (mos42-)
  • (T-4)-tetrathioxomolybdate(2-)
  • [MoS4](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
226.22 g/molcalc.
Exact mass
227.8104 Dacalc.
LogP (octanol/water)
0.75calc.
Topological polar surface area
0 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.
Components
3calc.

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.

Coprexa suppliers

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Coprexa price

Indicative price range per kg from live supplier offers

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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

Roles

  • chelator
  • copper chelator
  • ligand

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 Coprexa is traded under.

HS 2830.90Indicative HS code

Sulphides, polysulphides, whether or not chemically defined, other

World exports in 2024
$382M
+2.0% vs 2023, imports $246M
2019 to 2024
Top exporters
  1. Austria33.1%
  2. Philippines31.4%
  3. Germany9.1%
Top importers
  1. Germany12.7%
  2. South Korea11.7%
  3. China10.7%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Coprexa?

Tetrathiomolybdate(2-) is a molybdenum coordination entity. It has a role as a copper chelator.

What is the CAS number of Coprexa?

The CAS registry number of Coprexa is 16330-92-0.

What is the molecular formula and weight of Coprexa?

The molecular formula of Coprexa is H2MoS4-2 and its molar mass is 226.22 g/mol.

What is Coprexa used for?

Known uses and roles of Coprexa include chelator, copper chelator and ligand.

Is Coprexa hazardous?

No GHS hazard classification for Coprexa 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 Coprexa?

Coprexa is usually classified under HS code 283090 (Sulphides, polysulphides, whether or not chemically defined, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Coprexa?

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What is the price of Coprexa?

Suppliers quote Coprexa 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 Coprexa

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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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