Physical and chemical properties of acrylic acid

Colorless liquid. Strong organic acid. It has an irritating sour taste and produces smoke. Needle-like crystals below the melting point. The relative molecular mass is 72.06. The relative density is 1.0511. Melting point is 13.5 ° C. Boiling point: 141.6 ℃, 122 ℃ (53.329 × 103Pa), 103.3 ℃ (26.664 × 103Pa), 86.1 ℃ (13.332 × 103Pa), 66.2 ℃ (5.333 × 103Pa), 48.5 ℃ (2.000 × 103Pa), 39 ℃ (1.333 × 103Pa) ), 27.3 ° C (0.667 × 103Pa). Flash point is 68.3 ° C. The refractive index is 1.4224. Soluble in acetone and benzene, miscible with water, ethanol and ether. Corrosive, chemically active, unstable, easy to polymerize when exposed to oxygen, storage inhibitors such as hydroquinone or methoxyhydroquinone can be added during storage. toxicity The smoke is irritating to the eyes and nasal mucosa, and it is corrosive and irritating to the skin when attached to the skin. Pay attention when handling. The rats were given LD502590mg / kg orally.

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