Copper Stearate
Time: 2012-10-01 16:13:13

Copper Stearate


Stearic acid, copper salt;

Octadecanoic acid, copper salt;

Copper octadecanoate;

Cupric stearate;


Anionic Surfactant

> Carboxylate

>> Chain Carboxylate

>>> Alkyl Carboxylate

>>>> Linear Alkyl Carboxylate

Chemical Numbering System

CASRN: 660-60-6

EINECS: 211-540-3

Molecular Formula & Molecular Weight

Molecular Formula: C36H70CuO4; C36H72O4.Cu

Molecular Weight: 630.48



Appearance    (1), sky-blue to blue-green powder.

Solubility    insoluble in water. soluble in toluene, chloroform, benzene, turpentine.

Stability    stable.

Risk    Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.

GHS (Rev.7) label:  

Ecology    may be hazardous to environment. Water body should be given special attention.

Biodegradability    biodegradable.

Characteristics    excellent antimicrobial, antibacterial, preservative, emulsifying, dispersing abilities.


Sodium stearate reacts with copper sulfate solution or copper acetate ethanol solution, then obtain.

Quality Standards & Test Methods

1, Physical and chemical indexes


Physical and chemical indexes


Actives, %, ≥


Cu, %, ≤


Test Methods

(1), Actives

GB/T 13173 Surface active agents - Detergents - Testing methods

GB/T 5173 Surface active agents and detergents-Determination of anionic-active matter by direct two-phase titration procedure

ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure

(2), Cu


2, Hazardous substances indexes


Hazardous substances indexes


Heavy metals (as Pb, except Cu), mg/Kg, ≤


As, mg/Kg, ≤


Test Methods

(1), Heavy metals (as Pb)

Safety and Technical Standards for Cosmetics (2015 Edition)

GB/T 30799 The test method of food detergents - Determination of heavy metals

(2), As

Safety and Technical Standards for Cosmetics (2015 Edition)

GB/T 30797 The test method of food detergents - Determination of total arsenic

3, Further explanation

(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.

Major Uses

1, Typical applications

Use as antimicrobial agent, antibacterial agent.

Use as preservative.

Use as waterproofing agent.

2, Wood

Use as preservative.

3, Textile

Use as preservative.

4, Machinery industry

Lubricant in metal processing, machinery.

5, Plastics

Use as photodegrading agent. For example: PVC.

6, Coatings

Fungicide, antifouling agent in paints.

7, Organic synthesis

Catalyst used in manufacture of tertiary amine.



Update: 20131102(1); 20171215(2);