Disodium caproamphodipropionate
Time: 2012-09-07 14:47:29

Disodium caproamphodipropionate


Decanamide, N-(2-(N-(2-carboxyethyl))-N-(2-(2-carboxyethoxy)ethyl)aminoethyl)-, disodium salt;

beta-Alanine, N-(2-(2-carboxyethoxy)ethyl)-N-(2-((1-oxodecyl)amino)ethyl)-, disodium salt;


Zwitterionic Surfactant

> Imidazoline Type

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>>> Linear Alkyl Imidazoline Type

Chemical Numbering System

CASRN: 120728-77-0


Molecular Formula & Molecular Weight

Molecular Formula: C20H36N2Na2O6; C20H38N2O6.2Na

Molecular Weight: 446.49


Schematic formula:


Appearance    (1), colorless to amber viscous liquid.

Solubility    soluble in water.

Stability    stable.

Risk    Liquid form: irritation, low irritation to skin, eye.

GHS (Rev.7) label: 

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

Biodegradability    biodegradable.

Characteristics    excellent emulsifying, dispersing, foaming, foam stabilizing, antistatic, solubilizing, wetting, permeating, anticorrosive abilities. Mild surfactant. Can reduce the irritation of the other surfactants. Resistance to hard water. Excellent compatibility.

Note    (1), Can use in children washing products.



Quality Standards & Test Methods

1, Physical and chemical indexes


Physical and chemical indexes


Actives, %, ≥


pH (25°C, 1% solution)

7.0 - 10.0

Test Methods

(1), Actives

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

(2), pH

GB/T 6368 Surface active agents -- Determination of pH of aqueous solution -- Potentiometric method

ISO 4316 Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric method

2, Hazardous substances indexes


Hazardous substances indexes


Heavy metals (as Pb), 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.

(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.

Major Uses

1, Typical applications

Use as emulsifying agent, dispersing agent.

Use as foaming agent, foam stabilizing agent.

Use as antistatic agent.

Use as wetting agent.

Use as anticorrosive agent.

2, Personal care products

Conditioning agent, foam boosting agent, cleansing agent, foaming agent, hydrotrope in personal care products.

3, Textile

Antistatic agent, softening agent in textile, leather, fiber.

4, Household detergents

Foaming agent, foam stabilizing agent in household cleaning.

5, Industrial cleaning

Foaming agent, foam stabilizing agent in industrial cleaning, vehicle cleaning.



Update: 20140724(1); 20190721(2);