What is the literature melting point range of ethyl 4 Aminobenzoate?
What is the literature melting point range of ethyl 4 Aminobenzoate?
89.0°C to 92.0°C
Specifications
| Boiling Point | 172°C (17.0 hPa) |
|---|---|
| Melting Point | 89.0°C to 92.0°C |
| Color | White |
| Packaging | Plastic bottle |
| Assay Percent Range | 97.5% min. (GC) |
Is ethyl p aminobenzoate?
Introduction. Ethyl p-aminobenzoate (EPAB, C9H11O2N, CAS Registry No. 94-09-7) is a white crystal without smell and widely used in chemical and pharmaceutical industry. As an important local anesthetic, it is extremely effective in relieving pain caused by traumatic injury, skin ulcers, and burn.
What is the density of ethyl 4 Aminobenzoate?
Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module
| Density: | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point: | 310.7±15.0 °C at 760 mmHg |
| Vapour Pressure: | 0.0±0.7 mmHg at 25°C |
| Enthalpy of Vaporization: | 55.2±3.0 kJ/mol |
| Flash Point: | 164.2±17.9 °C |
Is ethyl 4 Aminobenzoate basic?
Ethyl 4-aminobenzoate was found to be insoluble in water and 1.0 M NaOH, but upon addition of 6.0 M NaOH to this solution, ethyl 4-aminobenzoate became insoluble. Furthermore, is benzocaine acidic or basic?…Propionaldehyde.
| Names | |
|---|---|
| Boiling point | 46 to 50 °C (115 to 122 °F; 319 to 323 K) |
| Solubility in water | 20 g/100 mL |
Is ethyl 4 Aminobenzoate toxic?
May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. May be harmful if absorbed through the skin. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
Is benzocaine an acid or a base?
Benzocaine is a benzoate ester having 4-aminobenzoic acid as the acid component and ethanol as the alcohol component.
Does ethyl 4 Aminobenzoate dissolve in NaOH?
Ethyl 4-aminobenzoate was found to be insoluble in water and 1.0 M NaOH, but upon addition of 6.0 M NaOH to this solution, ethyl 4-aminobenzoate became insoluble.
Why does benzocaine precipitate during neutralization?
Explain why benzocaine precipitates during the neutralization. With the addition of an acid, the amine group on the benzocaine will become protonated. The protonation creates a positive charge on the benzocaine molecule. Thus, the benzocaine will no longer be soluble and will precipitate during neutralization.
Is benzocaine a weak acid?
Question 3. Benzocaine is a weak base with a pKb of 11.5, and pentobarbital is a weak acid with a pKa of 8.1.
Is 4 Aminobenzoate soluble in water?
What is the polarity of benzophenone?
benzophenone is nonpolar, which is right for “likes dissolve likes”, makes it soluble in hexane. because the dropwise was not done well. can be soluble in methanol while naphthalene is partially soluble. nonpolar molecule; therefore, benzophenone can only be partially soluble in hexane.