Polymethacrylate
| Formula: | (C₅H₈O₂)ₙ |
| CAS Number: | 9011-14-7 |
| HS Code: | 39069090 |
| UN Number: | Not classified as hazardous for transport |
| IUPAC Name: | Poly(2-methylpropenoic acid methyl ester) |
| Also Known As: | PMMA; Acrylic Glass; Plexiglass; Lucite; Perspex |
| Molecular Weight, g/mol: | Variable, depending on polymer grade |
Typical Specifications
| Appearance: | Transparent, colorless solid (granules, pellets, or sheets) |
| Odor: | Odorless |
| Melting Point, °C: | ~160 (softening point, varies by grade) |
| Density, g/cm³ (at 20°C): | 1.17–1.20 |
| Refractive Index (20°C): | 1.490–1.495 |
| Solubility: | Insoluble in water; soluble in esters, ketones, chlorinated hydrocarbons |
| Purity, %: | ≥99 (monomer residue ≤0.5%) |
| Grades Available: | Extrusion Grade, Injection Molding Grade, Optical Grade |
| Packaging: | 25kg bags, jumbo bags, custom packaging |
Applications / Uses
Primary Applications
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Transparent substitute for glass (optical lenses, windows, displays)
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Used in signage, automotive lighting, aquariums, and skylights
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Optical grade PMMA for LCDs, LEDs, and light diffusers
Secondary Applications
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Ingredient in medical devices and bone cement
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Used in coatings, adhesives, and paints
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Key polymer in optical fibers and electronics
End Industries Served: Automotive, Construction, Electronics, Medical Devices, Signage, Optics, Consumer Goods
Safety & Handling Information
Hazard Class (GHS): Not classified as hazardous; combustible solid
Hazard Statements (H-Codes):
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H228: Flammable solid (dust/powder)
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H335: May cause respiratory irritation (dust)
Precautionary Statements (P-Codes):
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P210: Keep away from heat/sparks/open flames
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P261: Avoid breathing dust/fume
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P280: Wear protective gloves/eye protection
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P304 + P340: IF INHALED – move to fresh air and keep comfortable
Storage Conditions
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Store in a dry, cool, ventilated area
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Keep away from direct sunlight and heat sources
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Avoid contact with strong oxidizers and solvents
Transport Information
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ADR/RID: Not regulated
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IMDG: Not regulated
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IATA: Not regulated