Para-aminobenzoic acid (PABA) is a compound formed when the para-position (4-position) on the benzene ring of benzoic acid is replaced by an amino group.
| Name | 4-Aminobenzoic acid | EINECS | 205-753-0 |
| CAS No. | 150-13-0 | Density | 1.315 g/cm3 |
| PSA | 63.32000 | LogP | 1.54820 |
| Solubility | water:4.7 g/L (20 °C) | Melting Point | 186-189 °C
|
| Formula | C7H7NO2 | Boiling Point | 339.9 °C at 760 mmHg |
| Molecular Weight | 137.138 | Flash Point | 159.4 °C |
| Transport Information | N/A | Appearance | White to off white crystalline powder |
Appearance and properties: white to off-white crystalline powder
Density: 1.374 g/mL at 25 °C(lit.)
Boiling point: 339.9ºC at 760 mmHg
Melting point: 187-189 °C(lit.)
Flash point: 159.4ºC
Refractive index: 1.5795
Water solubility: 4.7g /L (20 ºC)
Stability: Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
Storage conditions: warehouse ventilation low temperature dry
Vapor pressure: 3.45E-05mmHg at 25°C
Usage:Used as intermediate of medicine and dye.
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