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Send EmailEthylhexyl Acrylate, 2-Ethylhexyl Acrylate, 2-Ethylhexyl Propenoate, EHA, 2-EHA, 103-11-7
CAS Number: 103-11-7
EC Number (EINECS): 203-080-7
Molecular Formula: C₁₁H₂₀O₂
Molecular Weight: 184.27 g/mol
Chemical Class: Acrylate ester (monomer)
| Parameter | Description |
|---|---|
| Chemical Name (IUPAC) | 2-Ethylhexyl prop-2-enoate |
| Other Names | 2-EHA, 2-Ethylhexyl Acrylate, Acrylic acid 2-ethylhexyl ester, Octyl acrylate, 2-Ethylhexyl propenoate |
| CAS Number | 103-11-7 |
| EC Number (EINECS) | 203-080-7 |
| Molecular Formula | C₁₁H₂₀O₂ |
| Molecular Weight | 184.27 g/mol |
| Chemical Class | Acrylate ester (monomer) |
| Structure | CH₂=CH-COO-CH₂-CH(C₂H₅)-C₄H₉ |
| Appearance | Clear, colorless liquid |
| Physical State | Liquid |
| Odor | Pleasant, sweetish odor |
| Functional Group | Acrylate (C=C) |
| Purity | ≥ 98.5% |
| Inhibitor | 10–20 ppm MEHQ |
| Property | Value / Range |
|---|---|
| Molecular Formula | C₁₁H₂₀O₂ |
| Molecular Weight | 184.27 g/mol |
| Appearance | Clear, colorless liquid |
| Odor | Pleasant, sweetish |
| Density (20°C) | ~0.887 g/cm³ |
| Boiling Point | ~214°C |
| Freezing Point | -90°C |
| Flash Point | ~82°C |
| Viscosity (70°C) | ~1.761 cP |
| Vapor Pressure (20°C) | 0.1 mbar |
| Purity | ≥ 98.5% |
| Acid Content | ≤ 0.009% |
| Water Content | ≤ 0.05% |
| Color (APHA) | ≤ 10 |
| Inhibitor | 10–20 ppm MEHQ |
| Solubility in Water | Insoluble (0.01 g/L) |
| Solubility in Organic Solvents | Excellent miscibility with most organic solvents |
| Property | Description |
|---|---|
| Chemical Class | Acrylate ester (monomer) |
| Functional Group | Acrylate (C=C) |
| Reactivity | High; readily polymerizes |
| Polymerization | Free-radical polymerization (bulk, solution, emulsion) |
| Copolymerization | Copolymerizes with other acrylates, methacrylates, styrene, vinyl acetate, and other vinyl monomers |
| Thermal Decomposition | > 200°C releases CO, CO₂, and irritant vapors |
| Hydrolysis | Hydrolyzes in acidic/basic media to acrylic acid and 2-ethylhexanol |
| Oxidation | May form peroxides in air |
| Reaction Type | Description |
|---|---|
| Radical Polymerization | Forms homopolymers and copolymers |
| Copolymerization | With acrylates, methacrylates, styrene, vinyl acetate |
| Hydrolysis | Acrylic acid + 2-Ethylhexanol |
| Transesterification | Reacts with alcohols to form other acrylate esters |
| Property | Description |
|---|---|
| Durability | Provides excellent durability |
| Flexibility | Provides flexibility in polymers |
| Elasticity | Provides elasticity |
| Clarity | Provides clarity in coatings |
| Weather Resistance | Excellent weather resistance |
| Moisture Resistance | Good moisture resistance |
| Chemical Resistance | Good chemical resistance |
| Low-Temperature Properties | Excellent low-temperature flexibility |
| Low Volatility | Low evaporation rate |
| Low Odor | Low odor profile |
| Application | Function | Suitability |
|---|---|---|
| Protective Coatings | Co-monomer | High |
| Water-Based Paints | Co-monomer | High |
| UV Curable Coatings | Reactive diluent, co-monomer | High |
| Architectural Coatings | Co-monomer | High |
| Automotive Coatings | Co-monomer | High |
| Industrial Coatings | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| Pressure-Sensitive Adhesives | Co-monomer | High |
| Structural Adhesives | Co-monomer | High |
| Laminating Adhesives | Co-monomer | High |
| Hot Melt Adhesives | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| Plastic Modification | Co-monomer | High |
| Impact Modifiers | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| Construction Materials | Co-monomer | High |
| Sealants | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| Paper Processing | Co-monomer | High |
| Paper Coatings | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| UV Curable Inks | Reactive diluent, co-monomer | High |
| Printing Inks | Co-monomer | High |
| Industry | Suitability | Explanation |
|---|---|---|
| Coatings | High | Protective coatings, water-based paints, UV coatings |
| Adhesives | High | Pressure-sensitive, structural, laminating adhesives |
| Plastics | High | Plastic modification, impact modifiers |
| Construction | High | Construction materials, sealants |
| Paper | High | Paper processing, coatings |
| Printing | High | UV curable inks, printing inks |
| Cosmetics | Not suitable | Not used in cosmetics |
| Food | Not suitable | Not used as food additive |
| Type | Name / Description |
|---|---|
| IUPAC Name | 2-Ethylhexyl prop-2-enoate |
| Commercial Names | 2-EHA, 2-Ethylhexyl Acrylate, Norsocryl 2-EHA |
| Synonyms | Acrylic acid 2-ethylhexyl ester, Octyl acrylate, 2-Ethylhexyl propenoate, 2-Ethylhexyl 2-propenoate |
| CAS Number | 103-11-7 |
| EC Number | 203-080-7 |
| HS Code | 29161200 |
| Parameter | Value / Description |
|---|---|
| GHS Classification | Warning |
| Hazard Statements | H315 (Causes skin irritation), H317 (May cause allergic skin reaction), H319 (Causes serious eye irritation), H335 (May cause respiratory irritation), H412 (Harmful to aquatic life with long-lasting effects) |
| Precautionary Statements | P261 (Avoid breathing dust/fume/gas/mist/vapors/spray), P280 (Wear protective gloves/protective clothing/eye protection/face protection), P302+P352 (IF ON SKIN: Wash with plenty of water), P305+P351+P338 (IF IN EYES: Rinse cautiously with water) |
| Oral LD50 (Rat) | ~5,000-10,000 mg/kg |
| Dermal LD50 (Rabbit) | > 2,000 mg/kg |
| Skin Irritation | Irritant |
| Eye Irritation | Irritant |
| Skin Sensitization | Positive (allergic contact dermatitis) |
| Mutagenicity | Negative |
| Carcinogenicity | Not classified |
| Target Organs | Skin, eyes, respiratory system |
| Parameter | Information |
|---|---|
| Storage Conditions | Cool, dry, well-ventilated area |
| Temperature | 15–25°C (store under inert atmosphere) |
| Container | Tightly closed, dark, stainless steel or HDPE containers |
| Special Requirements | Must contain inhibitor (MEHQ); avoid extreme temperatures |
| Sunlight Protection | Protect from direct sunlight |
| Air Exposure | Limit air exposure (polymerization risk) |
| Shelf Life | 12 months (under recommended conditions) |
| Packaging | 180 kg drum, 1000 kg IBC |
| Parameter | Information |
|---|---|
| UN Number | Not regulated (not classified as dangerous goods) |
| Hazard Class | Not applicable |
| Packing Group | Not applicable |
| Proper Shipping Name | 2-Ethylhexyl Acrylate |
| ADR/RID | Not regulated |
| IMDG Code | Not regulated |
| IATA (Air) | Not regulated |
| Marine Pollutant | No |
| Parameter | Information |
|---|---|
| Fire Hazard | Combustible liquid (flash point ~82°C) |
| Extinguishing Media | Water fog, foam, CO₂, dry chemical |
| Special Hazards | When heated, releases CO, CO₂, and irritant vapors |
| Decomposition Products | CO, CO₂, acrylate vapors |
| Protective Equipment | Self-contained breathing apparatus (SCBA), full protective clothing |
| Explosion Risk | Vapor/air mixtures may be explosive at high temperatures |
| Parameter | Information |
|---|---|
| Personal Protection | Gloves, safety goggles, face shield, protective clothing |
| Ventilation | Increase ventilation; evacuate area |
| Cleanup Methods | Absorb with inert absorbent material; collect in sealed containers |
| Environmental Precautions | Prevent entry into drains and water bodies |
| Waste Disposal | According to local regulations; incineration (hazardous waste) |
| Exposure Route | Action |
|---|---|
| Inhalation | Move to fresh air. Administer oxygen if breathing difficulty. Seek medical attention. |
| Skin Contact | Remove contaminated clothing. Wash with soap and plenty of water for at least 15 minutes. Seek medical attention. |
| Eye Contact | Rinse with plenty of water for at least 15 minutes. Seek medical attention. |
| Ingestion | Do NOT induce vomiting. Drink plenty of water. Seek medical attention. |
| Region / Authority | Status |
|---|---|
| EU REACH | Registered |
| Turkey KKDİK | Registration required |
| USA TSCA | Listed |
| EINECS | 203-080-7 |
| WGK (Germany) | 1 (slight hazard to water) |
| RoHS | Compliant |
| California Prop 65 | Not listed |
| Parameter | Value |
|---|---|
| Product | 2-Ethylhexyl Acrylate (2-EHA) |
| CAS | 103-11-7 |
| Appearance | Clear, colorless liquid |
| Density | ~0.887 g/cm³ |
| Boiling Point | ~214°C |
| Flash Point | ~82°C |
| Key Industries | Coatings, adhesives, plastics, construction |
Versatile Acrylate Monomer: 2-EHA is a high-performance acrylate monomer widely used in coatings, adhesives, plastics, and construction applications.
Excellent Flexibility: Provides excellent low-temperature flexibility, elasticity, and durability in polymer systems.
Low Volatility: Low evaporation rate and low odor profile make it suitable for various applications.
Excellent Miscibility: Excellent miscibility with different organic solvents and easy copolymerization with other monomer molecules.
Weather Resistance: Provides excellent weather resistance, moisture resistance, and chemical resistance.
Polymerization Risk: Readily polymerizes; always contains inhibitor (MEHQ). Keep away from heat and light.
Skin Sensitizer: 2-EHA may cause allergic skin reactions (H317). Appropriate PPE required.
Storage: Store in cool, dark, well-ventilated areas under inert atmosphere. Shelf life is 12 months.
Versatile Applications: Used in protective coatings, water-based paints, UV curable coatings, adhesives, plastics, construction materials, and paper processing.
Regulatory Status: Registered under REACH. Not classified as dangerous goods.
IMPORTANT DISCLAIMER: This Technical Data Sheet (TDS) is for informational purposes only and is based on available technical data. The user is solely responsible for determining the product's suitability for their specific application and for complying with all applicable local, national, and international regulations. 2-EHA readily polymerizes and is a known skin sensitizer! For complete safety, storage, handling, transportation, disposal, and regulatory compliance information, always refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. Users are responsible for testing the product in their own processes and applications. All local, national, and international regulations must be followed when working with 2-EHA.