Cocamidopropyl Betaine (CAPB) as Amphoteric Surfactant for Cosmetics or Personal Care Products

Product Details
Customization: Available
CAS No.: 86438-79-1
Formula: C19h38n2o3
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  • Cocamidopropyl Betaine (CAPB) as Amphoteric Surfactant for Cosmetics or Personal Care Products
  • Cocamidopropyl Betaine (CAPB) as Amphoteric Surfactant for Cosmetics or Personal Care Products
  • Cocamidopropyl Betaine (CAPB) as Amphoteric Surfactant for Cosmetics or Personal Care Products
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Basic Info.

Model NO.
CAS NO.: 86438-79-1
Function
Cleaning, Conditioning, Thickening, Antistatic
Usage
Cosmetic Raw Materials, Detergent Raw Materials
Raw Material
Oil
Molecular Formula
C19h38n2o3
Molecular Weight
M=342.52
pH Value
6.0-8.0
Transport Package
Carton
Specification
25KG per Carton
Trademark
DEBORN
Origin
China
Production Capacity
10000mt/Year

Product Description

Chemical name: Cocamidopropyl betaine

Cocamidopropyl betaine (CAPB) is a mixture of closely related organic compounds derived from coconut oil and dimethylaminopropylamine.[CAPB is available as a viscous pale yellow solution and it is used as a surfactant in personal care products. The name reflects that the major part of the molecule, the lauric acid group, is derived from coconut oil. Cocamidopropyl betaine to a significant degree has replaced cocamide DEA.

Molecular formula: C19H38N2O3

Molecular weight: M=342.52

CAS NO.: 86438-79-1

Technical index

Appearance: colorless to light yellow transparent liquid

Active matter (%): 30±2

Sodium chloride (%): ≤7

pH value: 6.0~8.0   

Color (Hazen):≤50

 

Specifications and properties

Cocamidopropyl betaine is used as a foam booster in shampoos.[4] It is a medium-strength surfactant also used in bath products like hand soaps. It is also used in cosmetics as an emulsifying agent and thickener, and to reduce irritation purely ionic surfactants would cause. It also serves as an antistatic agent in hair conditioners, which most often does not irritate skin or mucous membranes. However, some studies indicate it is an allergen.[5][6][7]

CAPB is obtained as an aqueous solution in concentrations of about 30%.

Typical impurities of leading manufacturers today:

  • Sodium monochloroacetate < 5 ppm
  • Amidoamine (AA) < 0.3%
  • Dimethylaminopropylamine (DMAPA) < 15 ppm
  • Glycerol < 3%

The impurities AA and DMAPA are most critical, as they have been shown to be responsible for skin sensitization reactions. These by-products can be avoided by a moderate excess chloroacetate and the exact adjustment of pH value during betainization reaction accompanied by regular analytical control.


Features and applications: Cocoamidopropyl Betaine is an amphoteric surfactant, having good compatibility with anionic, cationic, nonionic and other amphoteric surfactants. Good softness, rich and stable lather, cleaning, conditioning, antistatic performance, good adjustment of viscosity. It retains stable within a wide range of pH values, and low irritation to skin and eye. Added in shampoo, it is matched with other active matter, and brings forth obvious conditioning and thickening effects. It can be used to prepare personal washing products, such as shampoo, bubble bath, facial cleanser, etc. As a kind of gentle modifier, it is especially suitable for baby's protecting agent.
Storage: Store in cool and dry place, keep away from sunshine and rain.

 
Properties
Chemical formula
C19H38N2O3
Molar mass 342.524 g·mol−1
Appearance Clear to slight yellow liquid[1]
Density 1.05 g/cm3
Melting point < −10 °C (14 °F; 263 K)[1]
Boiling point > 100 °C (212 °F; 373 K)[1]
Solubility in water
Soluble[1]
Viscosity < 100 cP (30°C)[1]

Cocamidopropyl Betaine (CAPB) as Amphoteric Surfactant for Cosmetics or Personal Care Products

Cocamidopropyl Betaine (CAPB) as Amphoteric Surfactant for Cosmetics or Personal Care ProductsCocamidopropyl Betaine (CAPB) as Amphoteric Surfactant for Cosmetics or Personal Care Products
 

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