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2-ethylhexyl methacrylate

CAS Number
688-84-6
EC Number
211-708-6
Chemical Formula
C12H22O2
Molecular Weight
198.30 g/mol

Description

2-Ethylhexyl methacrylate (CAS 688-84-6 ), commonly abbreviated as 2-EHMA, is a long-chain acrylic monomer used to modify the flexibility, adhesion, and glass transition temperature of polymer systems. It functions as a reactive building block in emulsion and solution polymerization, allowing formulators to tune end-product performance without the need for post-processing plasticizers. In coatings and printing inks, 2-EHMA is copolymerized to improve film flexibility and substrate adhesion, particularly on flexible packaging substrates used in industrial applications. Adhesive formulators incorporate it into pressure-sensitive and structural adhesive systems where low-temperature performance and tack balance are critical for high-performance bonding. In personal care, it appears in film-forming polymer systems used in nail coatings and hair fixatives, where controlled softness and durability are required for consumer products. Plastics compounders use it as a reactive softening comonomer to reduce brittleness in acrylic-based materials without sacrificing clarity or processability during manufacturing. 2-Ethylhexyl methacrylate is supplied as a clear liquid, typically with an inhibitor such as MEHQ added for storage stability and to prevent premature polymerization during transit. Technical grade is the standard commercial offering, with purity specifications commonly at 98% or higher. Bulk supply is available in drums and IBC containers for industrial use. Contact us for supply of 2-ethylhexyl methacrylate Request Quote

Other Names (Synonyms)

2-EHMA | Methacrylic acid, 2-ethylhexyl ester | 2-Ethylhexyl methacryate | 2-Ethyl-1-hexyl methacrylate | 2-Propenoic acid, 2-methyl-, 2-ethylhexyl ester | Methacrylate, 2-ethylisohexy | ethylhexyl methacrylate

Key Technical Features

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

Physical Properties

Melting Point-50 °C
Boiling Point110 °C @ Press: 14 Torr
Density0.880 g/cm³ @ Temp: 25 °C
Flash Point198 °F
Appearancecolourless liquid
ColorColorless
OdorEster like odour
FormLiquid
Water Solubility<0.1 g/L
Vapor Pressure0.13 hPa (20 °C)
Refractive Indexn 20/D 1.438(lit.)
Log P4.95 at 20℃

Safety & Handling

Warning
GHS07· IrritantGHS08· Health HazardGHS09· Environment

Hazard Statements

H227Combustible liquid
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H320Causes eye irritation
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child
H401Toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects

Precautionary Statements

P203Obtain, consult and follow expert instructions for use.
P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P271Use only outdoors or in a well-ventilated area.
P272Contaminated work clothing should not be allowed out of the workplace.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P318IF exposed or concerned, get medical advice.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P391Collect spillage.
P403Store in a well-ventilated place.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P317Get emergency medical help.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P378Use … for extinction.
P233Store in a well-ventilated place. Keep container tightly closed.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29161290
UN Number3334
Storage Class10 - Combustible liquids
WGK (Germany)1