Molecular Formula | C10H12O2 |
Molar Mass | 164.2 |
Density | 1.0041 (rough estimate) |
Melting Point | 37-42°C(lit.) |
Boling Point | 231.67°C (rough estimate) |
Flash Point | >230°F |
Solubility | Chloroform (Slightly), Methanol (Slightly) |
Vapor Presure | 0.0021mmHg at 25°C |
Appearance | Solid |
Color | White to Off-White Low-Melting |
BRN | 2251315 |
pKa | 4.44±0.10(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.518-1.52 |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
WGK Germany | 3 |
HS Code | 29163990 |
Use | 2-(4-methylphenyl) propionic acid is a carboxylic acid derivative that can be used as a pharmaceutical intermediate, for example, it can be used as a key intermediate in the synthesis of loxoprofen sodium. |
synthesis method | The synthesis method of 2-(4-methylphenyl) propionic acid is as follows: toluene under the action of anhydrous aluminum chloride, alkylation reaction with α-chloropropionyl chloride, then reaction with neopentyl glycol with P-toluenesulfonic acid as catalyst, followed by rearrangement reaction under the catalysis of zinc 2-p-tolylpropionate, steps such as acidification give the target compound. Figure 2-(4-methylphenyl) propionic acid |