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Sulfates and sulfur salts

Copper monosulfide

Also known as Copper sulphide, Copper(ii)sulfide, Covellite (CuS) (9CI)

CAS 19138-68-2Formula CuSMolar mass 95.61 g/molEC 215-271-2
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Copper monosulfide chemical structure, CuS, CAS 19138-68-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
19138-68-2
Formula
CuS
Molar mass
95.61 g/mol
EC number
215-271-2
HS code
283090
Category
Sulfates and sulfur salts

What is Copper monosulfide?

Plain description, key identifiers and synonyms

Copper monosulfide is a sulfide mineral.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sulfanylidenecopper
CAS number
19138-68-2Other or deprecated CAS: 1317-40-4
EC number
215-271-2
Molecular formula
CuS
UNII
KL4YU612X7
InChIKey
BWFPGXWASODCHM-UHFFFAOYSA-N
InChI
InChI=1S/Cu.S
SMILES (canonical and isomeric)
S=[Cu]

Synonyms

  • Copper sulphide
  • Copper(ii)sulfide
  • Covellite (CuS) (9CI)
  • Covellite
  • Covelline
  • Covellite (CuS)
  • (Sulfido)copper
  • Copper sulfide, 99.5%
  • Copper(II) sulfide, ultra dry
  • Copper sulfide (II), 99.99% metals basis
  • Copper(II) sulfide, powder, 99.99% trace metals basis
  • Copper(II) sulfide, powder, -100 mesh, >=99% trace metals basis

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
95.61 g/molcalc.
Exact mass
94.9017 Dacalc.
LogP (octanol/water)
0.65calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
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.

Copper monosulfide suppliers

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

All 5 suppliers
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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 5 countries

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Copper monosulfide 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 Copper monosulfide 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 Copper monosulfide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Copper monosulfide, based on the data on this page

What is Copper monosulfide?

Copper monosulfide is a sulfide mineral.

What is the CAS number of Copper monosulfide?

The CAS registry number of Copper monosulfide is 19138-68-2. Other or deprecated CAS numbers: 1317-40-4.

What is the molecular formula and weight of Copper monosulfide?

The molecular formula of Copper monosulfide is CuS and its molar mass is 95.61 g/mol.

Is Copper monosulfide hazardous?

No GHS hazard classification for Copper monosulfide 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 Copper monosulfide?

Copper monosulfide 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 Copper monosulfide?

CompoundList lists 5 suppliers of Copper monosulfide in China, United Kingdom, India, Turkey and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Copper monosulfide in India?

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

What is the price of Copper monosulfide?

Suppliers quote Copper monosulfide 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 Copper monosulfide

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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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