Amines REACH

Lauryldimethylamine

CAS Number
112-18-5
EC Number
203-943-8
Chemical Formula
C14H31N
Molecular Weight
213.40 g/mol
Abbreviation
LDMA

Description

Lauryldimethylamine (CAS 112-18-5), also known as LDMA, is a long-chain tertiary amine used as a chemical intermediate, emulsifier, and surface-active agent across industrial and personal care manufacturing. Its C12 amine structure makes it a practical building block for producing quaternary ammonium compounds, amine oxides, and betaines. In personal care, LDMA serves as a precursor to conditioning surfactants.

It is frequently used in foam boosters for shampoos, conditioners, and liquid cleansers. Coatings and adhesives formulators use it as a curing catalyst for epoxy systems and as a wetting agent to improve substrate adhesion. It also functions as a corrosion inhibitor and emulsification aid in industrial process fluids and metalworking formulations. Sealant and elastomer manufacturers incorporate it as a stabilizer to protect polymer systems.

This protection is vital during processing and storage. Lauryldimethylamine is supplied as a clear to pale yellow liquid. Technical grade is the standard commercial form for most industrial applications. Purity levels are typically at 95% or higher depending on the supplier specification. Bulk quantities are available in drums and IBC totes, with documentation commonly provided to support sourcing requirements.

These documents support industrial and cosmetic raw material sourcing standards. The material is handled according to standard chemical safety protocols to ensure stability and performance in diverse formulations.

Other Names (Synonyms)

N,N-Dimethyl-1-dodecanamine|N,N-Dimethyldodecylamine|Antioxidant DDA|N,N-Dimethyllaurylamine|Barlene 125|N-Dodecyldimethylamine|DDA (antioxidant)|N-Lauryldimethylamine|LDMA

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 22 °C
Boiling Point 145-150 °C @ Press: 20 Torr
Density 0.787 g/mL at 20 °C(lit.)
Flash Point >230 °F
Appearance Liquid
Color Clear
Form Liquid
Water Solubility Negligible
Vapor Pressure <129 mm Hg ( 21 °C)
Refractive Index n 20/D 1.4375(lit.)
Log P 1.3-6.91 at 20℃ and pH7.1-8.8

Documentation

Safety & Handling Learn More

Danger
GHS05· Corrosive GHS07· Irritant GHS09· Environmental Hazard GHS08· Health Hazard

Hazard Statements

H302 Harmful if swallowed
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
H335 May cause respiratory irritation

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.

Trade & Regulatory

HS Code 29211990
UN Number 2735
ADR Class 8
Packing Group II
Storage Class 8A - Combustible corrosive hazardous materials
WGK (Germany) 2
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