Description
Poly(acrylic acid) Chemical Properties
| Melting point | 95 °C |
| Boiling point | 116 °C |
| density | 1.2 g/mL at 25 °C |
| vapor pressure | 2.64-3.57hPa at 20-25℃ |
| refractive index | n20/D 1.442 |
| Fp | 100 °C |
| storage temp. | 2-8°C |
| solubility | Swellable in water and glycerin and, after neutralization, in ethanol (95%). Carbomers do not dissolve but merely swell to a remarkable extent, since they are three-dimensionally crosslinked microgels. |
| form | Powder |
| color | White |
| Water Solubility | Soluble in water. |
| Dielectric constant | 2.7 – 4.5（0.0℃） |
| InChIKey | WLAMNBDJUVNPJU-UHFFFAOYSA-N |
| LogP | 0.23-0.27 at 20℃ and pH3.59-3.63 |
| IARC | 3 (Vol. 19, Sup 7) 1987 |
| EPA Substance Registry System | Polyacrylic acid (9003-01-4) |
Safety Information
| Hazard Codes | C,T,Xi |
| Risk Statements | 45-46-34-36/37/38 |
| Safety Statements | 53-45-36-27-26 |
| WGK Germany | 1 |
| RTECS | AT4680000 |
| TSCA | Yes |
| HS Code | 39069090 |
| Hazardous Substances Data | 9003-01-4(Hazardous Substances Data) |
| Toxicity | LD50 oral in rat: 2500mg/kg |
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