| Melting point |
158-161 °C(lit.) |
| Boiling point |
211 °C(lit.) |
| density |
1.44 |
| vapor density |
4.8 (vs air) |
| vapor pressure |
1 mm Hg ( 114 °C) |
| refractive index |
1,565 |
| FEMA |
3985 | 2-HYDROXYBENZOIC ACID |
| Fp |
157 °C |
| storage temp. |
Store at RT. |
| solubility |
ethanol: 1 M at 20 °C, clear, colorless |
| form |
Solid |
| pka |
2.98(at 25℃) |
| color |
White to off-white |
| PH Range |
Non0 uorescence (2.5) to dark blue 0 uorescence (4.0) |
| PH |
2.4 (H2O)(saturated solution) |
| Water Solubility |
1.8 g/L (20 ºC) |
| Sensitive |
Light Sensitive |
| λmax |
210nm, 234nm, 303nm |
| Merck |
14,8332 |
| Sublimation |
70 ºC |
| BRN |
774890 |
| Stability: |
Stable. Substances to be avoided include oxidizing agents, strong bases, iodine, fluorine. Combustible. Sensitive to light. |
| Major Application |
Semiconductors, nanoparticles, photoresists, lubricating oils, UV absorbers, adhesive, leather, cleaner, hair dye, soaps, cosmetics, pain medication, analgesics, antibacterial agent, treatment of dandruff, hyperpigmented skin, tinea pedis, onychomycosis, osteoporosis, beriberi, fungicidal skin disease, autoimmune disease |
| InChIKey |
YGSDEFSMJLZEOE-UHFFFAOYSA-N |
| CAS DataBase Reference |
69-72-7(CAS DataBase Reference) |
| NIST Chemistry Reference |
Benzoic acid, 2-hydroxy-(69-72-7) |
| EPA Substance Registry System |
Benzoic acid, 2-hydroxy-(69-72-7) |
China
