| Melting point |
125-128 °C (lit.) |
| Boiling point |
298.6 °C |
| Density |
1,46g/cm |
| vapor pressure |
0.000005 hPa (20 °C) |
| refractive index |
1.4447 (estimate) |
| FEMA |
2710 | METHYL P-HYDROXYBENZOATE |
| Flash point |
280°C |
| storage temp. |
room temp |
| solubility |
ethanol: soluble0.1M, clear, colorless |
| pka |
pKa 8.15(H2O,t =20.0) (Uncertain) |
| form |
Crystalline Powder |
| color |
White to almost white |
| PH |
5.8 (H2O, 20°C) (saturated solution) |
| Odor |
odorless or faint char. odor, sl. burning taste |
| biological source |
synthetic |
| Water Solubility |
Slightly soluble in water. |
| FreezingPoint |
131℃ |
| Merck |
14,6107 |
| BRN |
509801 |
| Henry's Law Constant |
4.5×103 mol/(m3Pa) at 25℃, HSDB (2015) |
| Stability |
Stable. Incompatible with strong oxidizing agents, strong bases. |
| Major Application |
flavors and fragrances |
| Cosmetics Ingredients Functions |
PRESERVATIVE
FRAGRANCE |
| Cosmetic Ingredient Review (CIR) |
Methylparaben (99-76-3) |
| InChI |
1S/C8H8O3/c1-11-8(10)6-2-4-7(9)5-3-6/h2-5,9H,1H3 |
| InChIKey |
LXCFILQKKLGQFO-UHFFFAOYSA-N |
| SMILES |
COC(=O)c1ccc(O)cc1 |
| LogP |
1.98 at 20℃ |
| CAS DataBase Reference |
99-76-3(CAS DataBase Reference) |
| NIST Chemistry Reference |
Benzoic acid, 4-hydroxy-, methyl ester(99-76-3) |
| EPA Substance Registry System |
Methylparaben (99-76-3) |
