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Cosmetic preservatives

Copper citrate

Also known as Citric acid, copper salt, 1,2,3Propanetricarboxylic acid, 2hydroxy, copper salt, 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, copper salt

CAS 10402-15-0Formula C6H8CuO7+2Molar mass 255.67 g/molEC 641-381-9
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 18 suppliers listed
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Copper citrate chemical structure, C6H8CuO7+2, CAS 10402-15-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
10402-15-0
Formula
C6H8CuO7+2
Molar mass
255.67 g/mol
EC number
641-381-9
HS code
291815
Category
Cosmetic preservatives

What is Copper citrate?

Plain description, key identifiers and synonyms

Copper citrate is a chemical substance with the molecular formula C6H8CuO7+2 and a molar mass of 255.67 g/mol. Its CAS registry number is 10402-15-0. The IUPAC name is copper 2-hydroxypropane-1,2,3-tricarboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
copper 2-hydroxypropane-1,2,3-tricarboxylic acid
CAS number
10402-15-0 CAS number cross-checkedOther or deprecated CAS: 5153-00-4
EC number
641-381-9
Molecular formula
C6H8CuO7+2
MDL number
MFCD00150504
INCI name
COPPER CITRATE
InChIKey
QDUNDCWSEGVAAB-UHFFFAOYSA-N
InChI
InChI=1S/C6H8O7.Cu/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);/q;+2
SMILES (canonical and isomeric)
C(C(=O)O)C(CC(=O)O)(C(=O)O)O.[Cu+2]

Synonyms

  • Citric acid, copper salt
  • 1,2,3Propanetricarboxylic acid, 2hydroxy, copper salt
  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, copper salt
  • copper, 2-hydroxypropane-1,2,3-tricarboxylic acid
  • 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, copper(2+) salt (1:1)
  • Chelates of copper citrate
  • Cupric(II) Citrate Hemi(pentahydrate)

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
255.67 g/molcalc.
Exact mass
254.9555 Dacalc.
LogP (octanol/water)
-1.25calc.
Topological polar surface area
132.1 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
5calc.
Heavy atoms
14calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
2calc.
Stereocentres
0calc.
Components
2calc.
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
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • 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 citrate suppliers

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

All 18 suppliers
18 of 18 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

18 suppliers in 7 countries

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Copper citrate 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

Cosmetic ingredient, INCI name COPPER CITRATE(antimicrobial)

Functional uses

  • Biocide

Cosmetic functions

  • Antimicrobial

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2918.15Indicative HS code

Salts and esters of citric acid

World exports in 2024
$711M
−5.1% vs 2023, imports $863M
2019 to 2024
Top exporters
  1. China39.3%
  2. Germany25.1%
  3. United States7.9%
Top importers
  1. United States16.3%
  2. Germany5.9%
  3. Poland5.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Copper citrate?

Copper citrate is a chemical substance with the molecular formula C6H8CuO7+2 and a molar mass of 255.67 g/mol. Its CAS registry number is 10402-15-0. The IUPAC name is copper 2-hydroxypropane-1,2,3-tricarboxylic acid.

What is the CAS number of Copper citrate?

The CAS registry number of Copper citrate is 10402-15-0. Other or deprecated CAS numbers: 5153-00-4.

What is the molecular formula and weight of Copper citrate?

The molecular formula of Copper citrate is C6H8CuO7+2 and its molar mass is 255.67 g/mol.

What is Copper citrate used for?

Known uses and roles of Copper citrate include preservatives in cosmetics and personal care, antimicrobial and biocide.

Is Copper citrate hazardous?

Copper citrate carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Copper citrate?

Copper citrate is usually classified under HS code 291815 (Salts and esters of citric acid). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Copper citrate?

CompoundList lists 18 suppliers of Copper citrate in China, India, France, United States and 3 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 citrate in India?

4 suppliers in India list Copper citrate 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 citrate?

Suppliers quote Copper citrate 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 citrate

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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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