| |  Product Name: | Methacrylic acid |  |  Synonyms: | 2-Methylpropenoic acid; 2-Methylacrylic acid |  |  CAS RN.: | 79-41-4 |  |  EINECS: | 201-204-4 |  |  Molecular Weight: | 86.09 |  |  Molecular Formula: | C4H6O2 |  |  Density: | 1.015 |  |  Melting Point(℃): | 16℃ |  |  Boiling Point(℃): | 163℃ |  |  Flash Point(℃): | 76℃ |  |  refractive_index: | 1.4295-1.4315 |  |  Water Solubility: | 9.7 g/100 mL (20℃) | 
 |