| Melting point |
134-136 °C (lit.) |
| Boiling point |
272.96°C (rough estimate) |
| Density |
1.35 |
| refractive index |
1.4500 (estimate) |
| Flash point |
250 °C |
| storage temp. |
2-8°C |
| solubility |
H2O: 10 mg/mL at 37 °C |
| form |
crystalline |
| color |
white |
| pka |
3.5(at 25℃) |
| biological source |
synthetic |
| Water Solubility |
3.3 g/L (20 ºC) |
| ε(extinction coefficient) |
190 at 298nm in aqueous base at 1mM
409 at 231nm in aqueous base at 1mM
466 at 230nm in aqueous acid at 1mM
68 at 278nm in aqueous acid at 1mM |
| Merck |
14,851 |
| BRN |
779271 |
| Henry's Law Constant |
7.6×103 mol/(m3Pa) at 25℃, Duchowicz et al. (2020) |
| Exposure limits |
ACGIH: TWA 5 mg/m3
NIOSH: TWA 5 mg/m3 |
| BCS Class |
3 |
| Stability |
Stable. Keep dry. Incompatible with strong oxidizing agents, strong bases, strong acids, various other compounds such as iodides, iron salts, quinine salts, etc. |
| Cosmetics Ingredients Functions |
EXFOLIATING |
| InChI |
1S/C9H8O4/c1-6(10)13-8-5-3-2-4-7(8)9(11)12/h2-5H,1H3,(H,11,12) |
| InChIKey |
BSYNRYMUTXBXSQ-UHFFFAOYSA-N |
| SMILES |
CC(=O)Oc1ccccc1C(O)=O |
| LogP |
1.190 |
| CAS DataBase Reference |
50-78-2(CAS DataBase Reference) |
| NIST Chemistry Reference |
Benzoic acid, 2-(acetyloxy)-(50-78-2) |
| EPA Substance Registry System |
Aspirin (50-78-2) |
