Lauramidopropylbetaine

CAS Number
4292-10-8
EC Number
224-292-6

What is Lauramidopropylbetaine?

Lauramidopropylbetaine (CAS 4292-10-8) is an amphoteric surfactant derived from lauric acid, used in personal care and cosmetic formulations for foam-boosting, conditioning and mildness-enhancing properties.

Where is Lauramidopropylbetaine used?

  • Shampoos and body washes: boosts and stabilizes foam from primary anionic surfactants
  • Facial cleansers and baby wash: mildness for sensitive skin
  • Conditioning shampoos and two-in-one formulations: secondary surfactant contributing to wet-comb feel
  • Mild liquid hand soaps and intimate hygiene products balance cleansing with skin compatibility
  • With sodium lauryl sulfate it reduces overall formulation irritation potential.

Good to know: Closely related to cocamidopropyl betaine but based on a defined C12 lauric acid chain, offering a more consistent fatty acid profile. Cosmetic-grade and COSMOS-approved variants exist for certified natural formulations.

Commercial specifications

  • Aqueous liquid, typically 30–35% active content
  • Bulk supply in drums and IBC containers

Other Names (Synonyms)

2-[3-(dodecanoylamino)propyl-dimethylazaniumyl]acetate|Lauramidopropyl betaine

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What are the physical properties of Lauramidopropylbetaine?

Melting Point >128°C (dec.)
Density 1.15[at 20℃]
Color White to Off-White
Form Solid
Water Solubility 250mg/L at 20℃
Vapor Pressure 0.31Pa at 20℃
Log P 3.54 at 20℃

How is Lauramidopropylbetaine classified and handled safely? Learn More

Danger
GHS05· Corrosive GHS07· Irritant GHS09· Environmental Hazard

Hazard Statements

H401 Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
H411 Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
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