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Silicates, borates and other salts

Copper phosphide

Also known as Tricopper phosphide, Copper phosphide (Cu3P), tricopper, phosphorus(3-)

CAS 12643-19-5Formula Cu3P2Molar mass 252.59 g/molEC 234-647-7
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Copper phosphide chemical structure, Cu3P2, CAS 12643-19-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12643-19-5
Formula
Cu3P2
Molar mass
252.59 g/mol
EC number
234-647-7
HS code
285390
Category
Silicates, borates and other salts

What is Copper phosphide?

Plain description, key identifiers and synonyms

Copper phosphide is a chemical substance with the molecular formula Cu3P2 and a molar mass of 252.59 g/mol. Its CAS registry number is 12643-19-5. The IUPAC name is tricopper bis(phosphorus(3-)).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tricopper bis(phosphorus(3-))
CAS number
12643-19-5Other or deprecated CAS: 12019-57-7, 12134-35-9
EC numbers
234-647-7, 235-215-0
Molecular formula
Cu3P2
InChIKey
IIYRHYYIGFXMJX-UHFFFAOYSA-N
InChI
InChI=1S/3Cu.2P/q3*+2;2*-3
SMILES (canonical and isomeric)
[P-3].[P-3].[Cu+2].[Cu+2].[Cu+2]

Synonyms

  • Tricopper phosphide
  • Copper phosphide (Cu3P)
  • tricopper, phosphorus(3-)
  • Copper phosphide (Cu6P2)
  • Copper phosphide (Cu3P2)
  • copper(II) phosphide
  • Copper phosphide, containing more than 15 per cent by weight of phosphorus
  • CUPRIC PHOSPHIDE, LUMP, Cu3P

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
252.59 g/molcalc.
Exact mass
250.7363 Dacalc.
LogP (octanol/water)
1.71calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
5calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

Hazard statements

  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (2)
  • P273Avoid release to the environment.
  • P501Dispose of contents and container in accordance with local regulations.

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

Copper phosphide suppliers

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Copper phosphide 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

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: 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 Copper phosphide is traded under.

HS 2853.90Indicative HS code

Phosphides, whether or not chemically defined, excluding ferrophosphorus, other, other

World exports in 2024
$2.45B
−33.6% vs 2023, imports $816M
2019 to 2024
Top exporters
  1. China68.4%
  2. Israel8.1%
  3. United States4.9%
Top importers
  1. United States19.3%
  2. Japan17.9%
  3. China13.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Copper phosphide?

Copper phosphide is a chemical substance with the molecular formula Cu3P2 and a molar mass of 252.59 g/mol. Its CAS registry number is 12643-19-5. The IUPAC name is tricopper bis(phosphorus(3-)).

What is the CAS number of Copper phosphide?

The CAS registry number of Copper phosphide is 12643-19-5. Other or deprecated CAS numbers: 12019-57-7, 12134-35-9.

What is the molecular formula and weight of Copper phosphide?

The molecular formula of Copper phosphide is Cu3P2 and its molar mass is 252.59 g/mol.

Is Copper phosphide hazardous?

Copper phosphide has a GHS hazard classification. Main hazards: may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Copper phosphide?

Copper phosphide is usually classified under HS code 285390 (Phosphides, whether or not chemically defined, excluding ferrophosphorus, other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Copper phosphide?

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What is the price of Copper phosphide?

Suppliers quote Copper phosphide 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 phosphide

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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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