Lauryl betaine
CAS 683-10-3
EC 211-669-5
Formula C16H33NO2
MW 271.44 g/mol
Surfactants Personal Care & CosmeticsWater TreatmentFood & Nutrition Cleaning & DegreasingEmulsification & DispersionLubricationPreservation & Biocide
Description
Lauryl betaine (CAS 683-10-3) is a zwitterionic surfactant derived from lauric acid, carrying both positive and negative charges within the same molecule. It is commercially available under trade names including AM 301 and Ammon, and is also referenced by abbreviations such as c12bet and anonbl in formulation literature.
In personal care formulations, lauryl betaine reduces interfacial tension between oil and water phases, enabling stable emulsification while simultaneously conditioning hair and skin through electrostatic interaction with negatively charged substrates. In water treatment, its antimicrobial activity disrupts microbial cell membranes at low concentrations, making it effective as a biocide additive.
Lauryl betaine is supplied as a solid and is subject to REACH registration requirements within the EU. Procurement teams should confirm supplier compliance documentation, including Safety Data Sheets aligned with EU GHS standards. No E-code designation applies to this substance.
In personal care formulations, lauryl betaine reduces interfacial tension between oil and water phases, enabling stable emulsification while simultaneously conditioning hair and skin through electrostatic interaction with negatively charged substrates. In water treatment, its antimicrobial activity disrupts microbial cell membranes at low concentrations, making it effective as a biocide additive.
Lauryl betaine is supplied as a solid and is subject to REACH registration requirements within the EU. Procurement teams should confirm supplier compliance documentation, including Safety Data Sheets aligned with EU GHS standards. No E-code designation applies to this substance.
Physical Properties
| Boiling Point | 414.52°C (rough estimate) |
| Density | 1.04 g/mL at 20 °C |
| Color | White to Off-White |
| Form | Solid |
| Water Solubility | 464g/L at 25℃ |
| Vapor Pressure | 16.796hPa at 21.1℃ |
| Refractive Index | 1.4545 (estimate) |
| Log P | 0.07 at 25℃ |
Safety & Handling (Learn More)
Warning GHS05 GHS07 GHS08 GHS09
H
H302H312H315H317H318H319H371H373H400H401H412
P
P260P261P264P270P272P273P280P317P319P321P330P391P405P501P264+P265P301+P317P302+P352P308+P316P332+P317P333+P317P337+P317P362+P364P305+P351+P338P305+P354+P338
Trade & Regulatory
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| WGK (Germany) | 1 |
Other Names
2-[dodecyl(dimethyl)azaniumyl]acetateN-DODECYL-N,N-DIMETHYLGLYCINATEddnAmmonanonblAM 301c12betamipol6s
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