| BENZOIC ACID |
| APPEARANCE |
Flakes |
| COLOUR |
White |
| ODOUR |
Characteristic |
| pH |
3.1 [1 g/l aqueous solution (20°C)]
2.8 [2.9 1 g/l aqueous solution (25°C)] |
| BOILING POINT / RANGE |
249°C |
| MELTING POINT / RANGE |
122°C |
| FLASH POINT |
121°C (closed cup) |
| FLAMMABILITY |
Combustible |
| EXPLOSIVE PROPERTIES |
Dust explosion class 2. Finely dispersed particles are sensitive to dust explosion |
| MIN. IGNITION ENERGY |
2 mJ |
| LOWER EXPLOSION LIMIT |
0.95 volume % (200°C / 1013 hPa) |
| UPPER EXPLOSION LIMITS |
8.2 volume % (200°C / 1013 hPa) |
| AUTOIGNITION TEMPERATURE |
574°C |
| OXIDISING PROPERTIES |
Information not available |
| VAPOUR PRESSURE |
< 0.01 hPa (20°C); 1.3 hPa (96°C) |
| RELATIVE DENSITY |
1.32 (water=1) |
| SOLUBILITY IN WATER |
2.9g / l (25°C) |
| SOLUBLE IN |
Methanol, benzene, chloroform, alcohol, ether, hot water. |
| PARTITION COEFFICIENT |
Low Pow = 1.9 |
| VISCOSITY |
Not applicable |
| VAPOUR DENSITY (air=1) |
4.21 |
| CONDUCTIVITY |
Information not available |
| CRITICAL PRESSURE |
45 atm |
| CRITICAL TEMPERATURE |
479°C |
| EVAPORATION HEAT |
Information not available |
| SPECIFIC HEAT |
Information not available |
