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Methacrylic Acid is a clear, colorless liquid with a strong, pungent odor. It is an organic compound widely used in various industries, including polymerization, coatings, adhesives, and textiles. Methacrylic Acid is an important building block in the production of polymers, such as poly(methyl methacrylate) (PMMA), which is commonly known as acrylic glass or plexiglass.
| Property | Methacrylic Acid |
|---|---|
| CAS Number | 79-41-4 |
| Molecular Formula | C4H6O2 |
| Appearance | Clear, colorless liquid |
| Assay | 99.5% min |
| Water Content | 0.2% max |
| Acidity (as Methacrylic Acid) | 0.05% max |
| Color (APHA) | 10 max |
| Inhibitor (MEHQ) Content | 20-100 ppm |
| Density (at 25°C) | 0.942-0.946 g/cm³ |
| Boiling Point | 161-163°C |
| Flash Point | 52°C |