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Send EmailAllyl Methacrylate, Allyl 2-methylacrylate, AMA, 96-05-9
CAS Number: 96-05-9
EC Number (EINECS): 202-473-0
Molecular Formula: C₇H₁₀O₂
Molecular Weight: 126.15 g/mol
Chemical Class: Methacrylate ester (functional monomer)
| Parameter | Description |
|---|---|
| Chemical Name (IUPAC) | Prop-2-enyl 2-methylprop-2-enoate |
| Other Names | AMA, Allyl Methacrylate, Methacrylic acid allyl ester, Allyl 2-methylacrylate |
| CAS Number | 96-05-9 |
| EC Number (EINECS) | 202-473-0 |
| Molecular Formula | C₇H₁₀O₂ |
| Molecular Weight | 126.15 g/mol |
| Chemical Class | Methacrylate ester (functional monomer) |
| Structure | CH₂=C(CH₃)-COOCH₂CH=CH₂ |
| Appearance | Colorless liquid |
| Physical State | Liquid |
| Odor | Sharp, intense |
| Functional Groups | Methacrylate (C=C), allyl (C=C) |
| Purity | ≥ 98.0% |
| Inhibitor | 100 ± 20 ppm MEHQ |
| Property | Value / Range |
|---|---|
| Molecular Formula | C₇H₁₀O₂ |
| Molecular Weight | 126.15 g/mol |
| Appearance | Colorless liquid |
| Odor | Sharp, intense |
| Density (20°C) | 0.930–0.940 g/cm³ |
| Boiling Point | ~144°C |
| Freezing Point | < -60°C |
| Flash Point | ~37.8°C |
| Viscosity (25°C) | ~0.72 mPa·s |
| Vapor Pressure (25°C) | 5 mmHg |
| Purity | ≥ 98.0% |
| Acid Content | ≤ 0.005% |
| Water Content | ≤ 0.05% |
| Color (APHA) | ≤ 15 |
| Inhibitor | 100 ± 20 ppm MEHQ |
| Property | Description |
|---|---|
| Chemical Class | Methacrylate ester (functional monomer) |
| Functional Groups | Methacrylate (C=C), allyl (C=C) |
| Reactivity | Very high; dual functionality with methacrylate and allyl groups |
| Polymerization | Free-radical polymerization (methacrylate group) |
| Allyl Reactivity | Allyl group enables crosslinking and copolymerization |
| Copolymerization | Copolymerizes with (meth)acrylic acid and salts, amides, esters, etc. |
| Thermal Decomposition | > 200°C releases CO, CO₂, and irritant vapors |
| Hydrolysis | Hydrolyzes in acidic/basic media to methacrylic acid and allyl alcohol |
| Oxidation | May form peroxides in air |
| Reaction Type | Description |
|---|---|
| Radical Polymerization | Forms poly(allyl methacrylate) |
| Copolymerization | With (meth)acrylic acid, amides, esters, styrene, and other vinyl monomers |
| Allyl Crosslinking | Allyl group provides crosslinking capability |
| Hydrolysis | Methacrylic acid + Allyl alcohol |
| Property | Description |
|---|---|
| Dual Functionality | Methacrylate and allyl groups provide versatile reactivity |
| Crosslinking | Allyl group enables crosslinking in polymer systems |
| Adhesion | Provides good adhesion properties |
| Chemical Resistance | Enhances chemical resistance in cured systems |
| Hardness | Provides good hardness |
| Heat Resistance | Good heat resistance |
| Low Shrinkage | Provides low shrinkage during curing |
| Reactivity | High polymerization reactivity |
| Application | Function | Suitability |
|---|---|---|
| Architectural Coatings | Co-monomer, crosslinker | High |
| Automotive Coatings | Co-monomer, crosslinker | High |
| Construction Coatings | Co-monomer, crosslinker | High |
| Industrial Coatings | Co-monomer, crosslinker | High |
| Floor Polishes | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| Pressure-Sensitive Adhesives | Co-monomer, crosslinker | High |
| Structural Adhesives | Co-monomer, crosslinker | High |
| Low-Temperature Mastics | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| Oil Additives | Flow improver | High |
| Sealants | Co-monomer, crosslinker | High |
| Textile Coatings | Co-monomer | High |
| Metal Coatings | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| Paints | Co-monomer, crosslinker | High |
| Varnishes | Co-monomer, crosslinker | High |
| Application | Function | Suitability |
|---|---|---|
| Dental Composites | Co-monomer, crosslinker | High |
| Optical Polymers | Co-monomer | High |
| Application | Function | Suitability |
|---|---|---|
| UV Inkjet Inks | Co-monomer, reactive diluent | High |
| Photoresists | Co-monomer | High |
| Industry | Suitability | Explanation |
|---|---|---|
| Coatings | High | Architectural, automotive, industrial coatings |
| Adhesives | High | Pressure-sensitive, structural adhesives |
| Paints / Varnishes | High | Paints and varnishes |
| Oil Additives | High | Flow improvers |
| Textiles | High | Textile coatings |
| Dental | High | Dental composites |
| Printing | High | UV inkjet inks |
| Electronics | High | Photoresists |
| Cosmetics | Not suitable | Not used in cosmetics |
| Food | Not suitable | Not used as food additive |
| Type | Name / Description |
|---|---|
| IUPAC Name | Prop-2-enyl 2-methylprop-2-enoate |
| Commercial Names | AMA, Allyl Methacrylate, Ageflex AMA, Visiomer AMA, Kowa AMA |
| Synonyms | Methacrylic acid allyl ester, Allyl 2-methylacrylate, Prop-2-en-1-yl 2-methylprop-2-enoate |
| CAS Number | 96-05-9 |
| EC Number | 202-473-0 |
| HS Code | 29161400 |
| Parameter | Value / Description |
|---|---|
| GHS Classification | Warning |
| Signal Word | Warning |
| Hazard Statements | H225 (Highly flammable liquid and vapor), H302 (Harmful if swallowed), H315 (Causes skin irritation), H317 (May cause allergic skin reaction), H319 (Causes serious eye irritation), H335 (May cause respiratory irritation) |
| Precautionary Statements | P210 (Keep away from heat/sparks/open flames), P233 (Keep container tightly closed), P240 (Ground/bond container), P241 (Use explosion-proof equipment), 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) | ~500-1,000 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 | 3272 |
| Hazard Class | 3 (Flammable Liquid) |
| Packing Group | III |
| Proper Shipping Name | Allyl Methacrylate, stabilized |
| Labels | 3 (Flammable Liquid) |
| ADR/RID | UN 3272, Class 3, PG III |
| IMDG Code | UN 3272, Class 3, PG III |
| IATA (Air) | UN 3272, Class 3, PG III |
| Marine Pollutant | No |
| Transport Notes | Keep away from heat and fire; take precautions against static electricity; transport under inert atmosphere |
| Parameter | Information |
|---|---|
| Fire Hazard | Highly flammable (flash point ~37.8°C) |
| Extinguishing Media | Alcohol-resistant foam, CO₂, dry chemical, water fog |
| Special Hazards | Vapors are heavier than air, explosive limits 1.8–8.2% |
| Decomposition Products | CO, CO₂, irritant vapors |
| Protective Equipment | Self-contained breathing apparatus (SCBA), full protective clothing |
| Explosion Risk | Vapor/air mixtures explosive |
| Water Use | Prevent fire-fighting water from entering the environment |
| Parameter | Information |
|---|---|
| Personal Protection | Gloves, safety goggles, face shield, protective clothing, SCBA |
| Ventilation | Increase ventilation; evacuate area |
| Control | Stop source; prevent vapor spread |
| 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 immediate medical attention. |
| Ingestion | Do NOT induce vomiting. Drink plenty of water. Seek immediate medical attention. |
| Region / Authority | Status |
|---|---|
| EU REACH | Registered |
| Turkey KKDİK | Registration required |
| USA TSCA | Listed |
| EINECS | 202-473-0 |
| WGK (Germany) | 1 (slight hazard to water) |
| RoHS | Compliant |
| California Prop 65 | Not listed |
| Parameter | Value |
|---|---|
| Product | Allyl Methacrylate (AMA) |
| CAS | 96-05-9 |
| Appearance | Colorless liquid |
| Density | ~0.935 g/cm³ |
| Boiling Point | ~144°C |
| Flash Point | ~37.8°C |
| UN Number | 3272 |
| Key Industries | Coatings, adhesives, paints, oil additives, dental composites |
Dual Functional Monomer: AMA contains both methacrylate and allyl functionalities, providing high reactivity and crosslinking capability. This unique combination makes it a versatile monomer for various applications.
Crosslinking Capability: The allyl group enables crosslinking in polymer systems, providing enhanced chemical resistance, hardness, and heat resistance.
Highly Flammable: Flash point ~37.8°C. Keep away from heat, sparks, and open flames. Explosive limits 1.8–8.2% in air.
Polymerization Risk: Readily polymerizes; always contains inhibitor (MEHQ). Keep away from heat and light. Do not store without inhibitor.
Skin Sensitizer: AMA may cause allergic skin reactions (H317). Appropriate PPE required.
Vapor Density: Vapors are heavier than air, accumulate at floor level and in low areas.
Storage: Store in cool, dark, well-ventilated areas under inert atmosphere. Shelf life is 12 months.
Copolymerization: AMA can copolymerize with (meth)acrylic acid and salts, amides, esters, and other vinyl monomers.
Transport: Classified as UN 3272, Class 3, Packing Group III. Transport under inert atmosphere.
Regulatory Status: Registered under REACH. Not listed under California Prop 65.
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. AMA is highly flammable, 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 Allyl Methacrylate.