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Skin conditioning agents and actives

Cupric acetate

Also known as Copper(II) acetate, Copper diacetate, Copper(2+) diacetate

CAS 142-71-2Formula C4H6CuO4Molar mass 181.63 g/molEC 205-553-3
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant, Hazardous to the environment 31 suppliers listed Drug substance
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Cupric acetate chemical structure, C4H6CuO4, CAS 142-71-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Blue-green hydroscopic powder
Melting point
115 °C
Density
1.9 at 68 °F - Denser than water, will sink
HS code
291529
Category
Skin conditioning agents and actives
UN number
UN 3077
Illustrative photo, blue pigment powder in a glass jar on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Cupric acetate?

Plain description, key identifiers and synonyms

Cupric acetate appears as a blue-green crystalline solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used as an insecticide, in the preparation of other chemicals, as a fungicide, and mildew preventive.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
copper diacetate
CAS number
142-71-2 CAS number cross-checkedOther or deprecated CAS: 463931-62-6, 52503-64-7
EC numbers
205-553-3, 257-974-7
Molecular formula
C4H6CuO4
UNII
39M11XPH03
MDL number
MFCD00008690
INCI name
CUPRIC ACETATE
InChIKey
OPQARKPSCNTWTJ-UHFFFAOYSA-L
InChI
InChI=1S/2C2H4O2.Cu/c2*1-2(3)4;/h2*1H3,(H,3,4);/q;;+2/p-2
SMILES (canonical and isomeric)
CC(=O)[O-].CC(=O)[O-].[Cu+2]

Synonyms

  • Copper(II) acetate
  • Copper diacetate
  • Copper(2+) diacetate
  • Venus copper
  • Copper(2+) acetate
  • Crystals of venus
  • Crystallized verdigris
  • copper (II) acetate
  • Cupric diacetate
  • Octan mednaty
  • Neutral verdigris
  • Acetate de cuivre
  • Acetic acid, copper(2+) salt
  • Acetic acid, cupric salt
  • Copper acetate (Cu(C2H3O2)2)
  • Copper acetate (Cu(OAc)2)
  • Acetic acid copper(2+) salt
  • Cu(II) acetate
  • Acetic acid, copper(II) salt (2:1)
  • Cuprum aceticum
  • Acetic acid, copper(2+) salt (2:1)
  • Cuprum Aceticum 3
  • (acetyloxy)cuprio acetate
  • Cuprum aceticum 4 Special Order
  • Acetic acid cupric salt
Show all 36 synonyms
  • Cupric acetate,anhydrous
  • Copper(II)acetate
  • copper, diacetate
  • Cupric Acetate Anhydrous
  • Acetic acid, copper(2+) salt, basic
  • Copper(II) acetate, anhydrous
  • copper(II)-acetate
  • Copper di(acetate)
  • Cu(OAc)2
  • Copper(II) acetate anhydrous
  • C4H6CuO4

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

Appearance
Blue-green hydroscopic powderexp.
Melting point
115 °Cexp.
Density
1.9 at 68 °F - Denser than water, will sinkexp.

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
181.63 g/molcalc.
Exact mass
180.9562 Dacalc.
LogP (octanol/water)
-2.49calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
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
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H302Harmful if swallowed.
  • H311Toxic in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
  • H411Toxic to aquatic life with long lasting effects.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (23)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • 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.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • 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.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3077

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

Cupric acetate suppliers

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

All 31 suppliers
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Where suppliers are based

31 suppliers in 6 countries

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Cupric acetate 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

Intermediate in manufacture of Paris Green, as fungicide (former), as catalyst for organic reactions, incl rubber aging, in textile dyeing, as pigment for ceramics.

Pesticide (former), catalysts, fungicide (former), pigments, manufacture of Paris green.

As insectide, mildew preventive.

Fabrics, textiles, pigment, catalyst.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name CUPRIC ACETATE(skin conditioning)

Functional uses

  • Softener and conditioner

Cosmetic functions

  • Skin conditioning

How it is made

Prepd by action of acetic acid on CuO or CuCO3: Winter et al., in Kirk-Othmer Encycl Chem Technology, vol 6 (Interscience, New York, 2nd ed., 1965) p. 267

Copper(II) acetate is usually made by the reaction of copper(II) oxide with hot acetic acid. (Monohydrate)

Action of acetic acid on copper oxide and subsequent crystallization

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • Active ingredient in FDA approved drug labels

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 Cupric acetate is traded under.

HS 2915.29Indicative HS code

Acetic acid and its salts, acetic anhydride, other

World exports in 2024
$336M
+10.0% vs 2023, imports $398M
2019 to 2024
Top exporters
  1. China28.0%
  2. Netherlands25.4%
  3. Germany11.4%
Top importers
  1. United States17.0%
  2. Malaysia13.3%
  3. Germany7.3%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Cupric acetate, based on the data on this page

What is Cupric acetate?

Cupric acetate appears as a blue-green crystalline solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used as an insecticide, in the preparation of other chemicals, as a fungicide, and mildew preventive.

What is the CAS number of Cupric acetate?

The CAS registry number of Cupric acetate is 142-71-2. Other or deprecated CAS numbers: 463931-62-6, 52503-64-7.

What is the molecular formula and weight of Cupric acetate?

The molecular formula of Cupric acetate is C4H6CuO4 and its molar mass is 181.63 g/mol.

What is Cupric acetate used for?

Intermediate in manufacture of Paris Green, as fungicide (former), as catalyst for organic reactions, incl rubber aging, in textile dyeing, as pigment for ceramics. Pesticide (former), catalysts, fungicide (former), pigments, manufacture of Paris green. As insectide, mildew preventive.

Is Cupric acetate hazardous?

Cupric acetate carries the GHS signal word "Danger". Main hazards: toxic if swallowed, harmful if swallowed, toxic in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cupric acetate?

Cupric acetate is usually classified under HS code 291529 (Acetic acid and its salts, acetic anhydride, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cupric acetate?

CompoundList lists 31 suppliers of Cupric acetate in China, United States, India, Canada and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Cupric acetate in India?

7 suppliers in India list Cupric acetate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Cupric acetate?

Suppliers quote Cupric acetate 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 Cupric acetate

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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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