Polymethacrylate (PMA)
| Formula: | (C₅H₈O₂)ₙ |
| CAS Number: | 9011-14-7 |
| EC Number (EINECS): | 250-715-9 |
| HS Code: | 39069090 |
| UN Number: | Not classified as dangerous goods |
| IUPAC Name: | Poly(methyl 2-methylpropenoate) |
| Also Known As: | PMA; Poly(methyl methacrylate-co-methacrylic acid); Acrylic Resin |
| Molecular Weight, g/mol: | Variable (dependent on polymerization grade, typically 50,000–250,000) |
Typical Specifications
| Appearance: | Clear, colorless or slightly hazy solid/granules |
| Odor: | Odorless |
| Density, g/cm³ (at 20°C): | 1.18–1.20 |
| Solubility: | Insoluble in water, soluble in esters, ketones, chlorinated hydrocarbons |
| Grades Available: | Technical, Optical, Medical, Industrial |
| Packaging: | 25kg bags, 500kg jumbo bags, bulk supply |
Applications / Uses
Primary Applications
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Optical lenses, light guides, display panels
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Automotive components (interior & exterior)
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Construction materials (sheets, panels, adhesives)
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Medical devices and dental applications
Secondary Applications
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Binder in coatings, inks, and paints
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Additive in lubricants and fuel additives
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Modifier for improving impact resistance and weatherability
End Industries Served: Automotive, Electronics, Construction, Optical Devices, Medical, Coatings, Adhesives, Lubricants
Safety & Handling Information
Hazard Class (GHS): Not classified as hazardous for solid PMA; dust may cause irritation
Hazard Statements (H-Codes):
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H319: Causes serious eye irritation (dust)
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H335: May cause respiratory irritation (dust)
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H228: Flammable dust may form in air
Precautionary Statements (P-Codes):
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P261: Avoid breathing dust/fumes
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P280: Wear protective gloves/eye protection
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
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P210: Keep away from heat/sparks/open flames
Storage Conditions
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Store in cool, dry, ventilated place
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Keep away from strong oxidizing agents and heat sources
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Avoid dust formation during handling
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods