Cocamidopropyl Betaine (CAPB) – Mild Amphoteric Surfactant / Foam Booster

Product Name: Cocamidopropyl Betaine

Common Name: CAPB

CAS Number: 61789-40-0

Appearance: Clear to light yellow viscous liquid

Active Content: ~30%

Description

Cocamidopropyl Betaine (CAPB) is a widely used amphoteric surfactant derived from coconut oil. It is known for its mildness, excellent foaming properties, and ability to improve the performance of other surfactants in formulations.

CAPB is commonly used as a foam booster, viscosity builder, and mild cleansing agent in both household and personal care products. It significantly reduces the irritation potential of primary surfactants such as SLS or SLES, making it ideal for gentle formulations.

Key Features

• Excellent foam boosting properties

• Improves foam stability and richness

• Mild and low irritation surfactant

• Enhances viscosity in surfactant systems

• Good compatibility with anionic, cationic, and nonionic surfactants

• Effective over a wide pH range

Common Applications

• Shampoos and hair care products

• Body wash and liquid soaps

• Facial cleansers

• Bubble baths

• Dishwashing liquids

• Car wash formulations

• Household and industrial cleaners

Typical Properties

• Appearance: Clear to pale yellow liquid

• Active matter: ~30%

• pH (10% solution): ~5.0 – 7.0

• Solubility: Fully soluble in water

Formulation Advantages

CAPB is often combined with surfactants such as SLES, AOS, or alcohol ethoxylates to enhance foam quality, improve mildness, and increase product viscosity. It is an essential ingredient in many modern detergent and personal care formulations.

Storage

Store in a cool, dry place away from direct sunlight. Keep container tightly sealed when not in use.

Safety

Refer to the Safety Data Sheet (SDS) for full safety and handling information.

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