Description: | Polyacrylic Acid (PAA) is innoxious and soluble in water, which can be used in situations of alkaline and high concentration without scale sediment. |
Molecular Formula: | (C3H4O2)n |
Canonical SMILES: | C=CC(=O)O |
InChI: | InChI=1S/C3H4O2/c1-2-3(4)5/h2H,1H2,(H,4,5) |
InChI Key: | NIXOWILDQLNWCW-UHFFFAOYSA-N |
Boiling Point: | 116 °C |
Melting Point: | 106°C |
Flash Point: | 61.6°C |
Density: | 1.10 g/mL |
Solubility: | Miscible with alcohol, and ether; Miscible with ethanol, ethyl ether; Soluble in acetone, benzene, carbon tetrachloride; Miscible with chloroform; Miscible with water (1X10+6 mg/L) at 25 °C; Soluble in methanol, ethanol, dioxane, dimethylformamide, 2-propanol, formamide, ethylene glycol, and acetic acid |
Storage: | Storage in shady room and dry place. |
Decomposition: | Acrylic acid rapidly decomposes in the atmosphere by photochemical attack on the double bond |
LogP: | 0.25700 |
pH: | 3.0-4.5 (1% water solution) |
Refractive Index: | n20/D 1.442 |
Stability: | Stable under normal temperatures and pressures. |
Vapor Pressure: | 3.2 mm Hg at 68 °F ; 5 mm Hg at 81.1° F (NTP, 1992);3 mm Hg (NIOSH, 2016);3.97 mmHg;3.97 mm Hg at 25 °C;Vapor pressure, Pa at 20 °C: 413;3 mmHg;3 mmHg |
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