Lauramine oxide

CAS Number
1643-20-5
EC Number
216-700-6
Chemical Formula
C14H31NO
Molecular Weight
229.40 g/mol
Abbreviation
LDAO

Description

Lauramine oxide (CAS 1643-20-5), also known as LDAO, is an amphoteric surfactant that functions as a foam booster, viscosity modifier, and conditioning agent across personal care and industrial cleaning formulations. Its behavior shifts between nonionic and cationic depending on pH, making it compatible with a broad range of surfactant systems. In shampoos, body washes, and liquid hand soaps, it thickens formulations effectively.

It stabilizes foam generated by primary surfactants such as sulfates or sulfonates. Industrial and institutional cleaning products rely on it to boost detergency and improve soil removal on hard surfaces without aggressive chemistry. In fabric care and conditioning formulations, it contributes to softness and antistatic performance. Coatings and adhesive formulations use it as a dispersing and stabilizing agent to maintain emulsion integrity.

This material ensures stability during processing and storage. Lauramine oxide is supplied as an aqueous solution, typically at 30% active content, though concentrations vary by manufacturer. It is available in technical and industrial grades suited to cleaning and coatings applications, as well as cosmetic-grade material meeting personal care quality standards. Bulk liquid supply is the standard format.

Commercial distribution is typically managed in IBC containers or drums. This versatile surfactant remains a staple for formulators seeking high performance and compatibility in diverse chemical environments.

Other Names (Synonyms)

lauryldimethylamine oxide|Lauryl Dimethylamine-N-Oxide|1-Dodecanamine, N,N-dimethyl-, N-oxide|LDAO|Dodecyldimethylamine oxide|Ammonyx AO|Ammonyx LO|Empigen OB

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 132-133 °C
Boiling Point 371.32°C (rough estimate)
Density 0.996 g/mL at 20 °C
Flash Point 113°C (closed cup)(235
Appearance Clear yellow Liquid
Color White to off-white
Form A crystalline solid
Water Solubility Insoluble in water.
Vapor Pressure 0Pa at 25℃
Refractive Index n 20/D 1.378
pH 7.0-9.0 (25°C, 0.1M in H2O)
Log P 1.85 at 20℃

Documentation

Safety & Handling Learn More

Danger
GHS05· Corrosive GHS07· Irritant GHS09· Environmental Hazard

Hazard Statements

H302 Harmful if swallowed
H315 Causes skin irritation
H318 Causes serious eye damage
H319 Causes serious eye irritation

Precautionary Statements

P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Trade & Regulatory

HS Code 29299090
UN Number 3259
ADR Class 8
Packing Group II
Storage Class 11 - Combustible Solids
WGK (Germany) 2
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