Amphoteric surfactants are anionic surfactants, appearing as white or pale yellow powders. They possess strong detergency and degreasing power, excellent wetting and penetration, outstanding foaming ability, high cost-effectiveness, and excellent alkali resistance. They also exhibit good dispersing and anti-redeposition properties and have wide compatibility.
Primarily used in laundry detergents, dishwashing liquids, industrial degreasing agents, and textile washing auxiliaries, LAO is a commonly used basic raw material in detergent production.
| Product Name | Appearance (25℃) | Color (APHA) | Odor | Solid Content (%) | Active Matter (%) | pH Value | Free Amines (%) |
|---|---|---|---|---|---|---|---|
| LAO | Colorless or pale yellow transparent liquid | ≤150 | Odorless | 35.0±2.0 40.0±2.0 |
29.0±1.0 35.0±1.0 |
6.0-8.0 | ≤0.5 |
Product Name: Lauramidopropylamine Oxide (LAO)
Type: Amphoteric Surfactant
CAS: 61792-31-2
Significant thickening effect on anionic surfactants; produces rich, thick, and fine foam with excellent foam stabilizing performance
Good antistatic properties; ideal conditioning agent for various applications
Low irritation levels; effectively reduces irritation of anionic surfactants in detergents; very gentle on skin and hair
Possesses bactericidal properties and calcium soap dispersing ability
Molecular structure easily decomposed by microorganisms; environmentally friendly and conforms to green chemistry trends
Excellent compatibility with anionic, cationic, amphoteric, and nonionic surfactants; widely applicable in formulations
Lauramidopropylamine Oxide (LAO) is mainly prepared by the oxidation reaction of cocoylpropyl dimethyl tertiary amine. The specific process involves reacting cocoylpropyl dimethyl tertiary amine with an oxidizing agent (such as hydrogen peroxide) under specific conditions to generate a compound with an amine oxide structure.
Precise control of the reaction temperature, reaction time, and amount of oxidizing agent is required during the reaction to ensure the purity and quality of the product.