| Melting point |
187-189 °C(lit.) |
| Boiling point |
251.96°C (rough estimate) |
| Density |
1.374 g/mL at 25 °C(lit.) |
| bulk density |
200kg/m3 |
| vapor pressure |
0Pa at 25℃ |
| refractive index |
1.5323 (estimate) |
| Flash point |
250 °C |
| storage temp. |
2-8°C |
| solubility |
95% ethanol: soluble5%, clear to slightly hazy, colorless to yellow |
| form |
Crystalline Powder |
| pka |
2.50, 4.87(at 25℃) |
| color |
White to light yellow |
| Odor |
Odorless |
| PH Range |
3.5 |
| PH |
3.5 (5g/l, H2O, 20℃) |
| biological source |
synthetic (organic) |
| Water Solubility |
4.7 g/L (20 ºC) |
| Sensitive |
Air & Light Sensitive |
| Merck |
14,423 |
| BRN |
471605 |
| Stability |
Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light. |
| Cosmetics Ingredients Functions |
LIGHT STABILIZER
UV ABSORBER |
| InChIKey |
ALYNCZNDIQEVRV-UHFFFAOYSA-N |
| LogP |
0.96 at 25℃ |
| CAS DataBase Reference |
150-13-0(CAS DataBase Reference) |
| IARC |
3 (Vol. 16, Sup 7) 1987 |
| NIST Chemistry Reference |
p-Aminobenzoic acid(150-13-0) |
| EPA Substance Registry System |
p-Aminobenzoic acid (150-13-0) |
