Lauryl methacrylate

CAS Number
142-90-5
EC Number
205-570-6
Abbreviation
LMA

What is Lauryl methacrylate?

Lauryl methacrylate (CAS 142-90-5), also known as dodecyl methacrylate and abbreviated as LMA, is a long-chain alkyl ester monomer used to build polymer systems requiring flexibility and hydrophobicity.

Where is Lauryl methacrylate used?

  • Lubricant additives: copolymerized to produce viscosity index improvers and pour point depressants that keep engine and industrial oils performing across wide temperature ranges
  • Personal care: film-forming agents for hair fixatives and skin adhesives, and water-resistant cosmetic coatings
  • Plastics and polymer production: modifies acrylic copolymers, improving flexibility and surface properties
  • Coatings, adhesives and sealants
  • Metalworking fluids: oil-soluble polymers
  • It functions as a reactive building block in copolymer synthesis.

Good to know: Stabilized with a polymerization inhibitor such as MEHQ for safe handling and storage.

Commercial specifications

  • Purity levels commonly at 98% or higher
  • Bulk quantities in drums and IBC totes, with tanker supply available

Other Names (Synonyms)

Dodecyl methacrylate|Dodecyl 2-methylacrylate|N-Dodecyl methacrylate|2-Propenoic acid, 2-methyl-, dodecyl ester|Metazene|Dodecyl 2-methyl-2-propenoate|Sipomer LMA|Methacrylic acid, dodecyl ester|LMA

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What are the physical properties of Lauryl methacrylate?

Melting Point -20 °C
Boiling Point 167 °C @ Press: 10 Torr
Density 0.868 g/cm³ @ Temp: 20 °C
Flash Point >230 °F
Appearance Clear light yellow liquid
Color Clear light yellow
Form Liquid
Water Solubility insoluble
Vapor Pressure 0.06Pa at 20℃
Refractive Index n 20/D 1.445(lit.)
Log P 6.68 at 20℃

How is Lauryl methacrylate classified and handled safely? Learn More

Warning
GHS07· Irritant GHS09· Environmental Hazard

Hazard Statements

H315 Causes skin irritation
H319 Causes serious eye irritation
H320 Causes eye irritation
H335 May cause respiratory irritation
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.

Which trade and regulatory codes apply to Lauryl methacrylate?

HS Code 29161490
UN Number 3082
ADR Class 9
Packing Group III
Storage Class 10 - Combustible liquids
WGK (Germany) 2
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