P-AMINOBENZYL ALCOHOL
4-Aminobenzyl alcohol
CAS: 623-04-1
Molecular Formula: C7H9NO
P-AMINOBENZYL ALCOHOL - Names and Identifiers
| Name | 4-Aminobenzyl alcohol |
| Synonyms | 4-Aminobenzylalcohol 4-Aminobenzyl alcoho 4-Aminobenzyl alcohol P-AMINOBENZYL ALCOHOL 4-AMINOBENZYL ALCOHOL 4-Hydroxymethylaniline p-amino benzyl alcohol p-Aminobenzenecarbinol (4-aminophenyl)methanol 4-(HYDROXYMETHYL)ANILINE p-Aminophenylmethyl Alcohol 4-(Hydroxymethyl)aniline, (4-Aminophenyl)methanol |
| CAS | 623-04-1 |
| EINECS | 210-767-5 |
| InChI | InChI=1/C7H9NO/c8-7-3-1-6(5-9)2-4-7/h1-4,9H,5,8H2 |
| InChIKey | AXKGIPZJYUNAIW-UHFFFAOYSA-N |
P-AMINOBENZYL ALCOHOL - Physico-chemical Properties
| Molecular Formula | C7H9NO |
| Molar Mass | 123.15 |
| Density | 1.0877 (rough estimate) |
| Melting Point | 60-65°C(lit.) |
| Boling Point | 171°C/11mmHg(lit.) |
| Water Solubility | Soluble in alcohol, ether and benzene. Partially soluble in water. |
| Solubility | Chloroform (Soluble), Methanol (Slightly) |
| Appearance | Bright brown crystal |
| Color | Yellow to brown |
| BRN | 2078680 |
| pKa | 14.82±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Stability | Stable, but air and light sensitive. Incompatible with strong oxidizing agents, strong acids. Combustible. |
| Sensitive | Air Sensitive |
| Refractive Index | 1.5380 (estimate) |
| MDL | MFCD00014782 |
| Physical and Chemical Properties | Melting point 60-63°C |
P-AMINOBENZYL ALCOHOL - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 4.7-8-10-23 |
| HS Code | 29221990 |
| Hazard Note | Irritant |
P-AMINOBENZYL ALCOHOL - Reference Information
| Application | p-aminobenzyl alcohol is an aromatic amine compound, which is an extremely important organic raw material, it is widely used in the preparation of dyes, medicines, agricultural chemicals, additives, surfactants, Textile Auxiliaries, chelating agents, polymers and flame retardants. |
| preparation | the semi-sandwich ruthenium complex 2a catalyzes the reduction of 4-aldehyde nitrobenzene to obtain p-aminobenzyl alcohol by the following methods: synthesis of a semi-sandwich ruthenium coordination compound 2a with 2, 6-dithione substituted pyridine: [(CymeneRuCl2)2](0.05mmol), 2, 6-dimethylimidazolidinone substituted pyridine (0.1mmol) was placed in a Schlenk reaction tube, then 5ml DCM was added and the mixture was stirred under nitrogen for 16 hours. After the reaction is finished, the solution is filtered, the solvent is removed with rotary evaporator, 2mL CH3OH is added to dissolve the solid, and then saturated KPF6 aqueous solution (containing 0.25mmol KPF6) is added, and the solid is produced immediately, washing with a small amount of water and ether afforded 58mg of a yellow-brown solid in 71% yield. In an air atmosphere, a Teflon magnet was placed in the reaction tube, and the semi-sandwich ruthenium Coordination Compound 2 a7.5 × 10-4mmol was added with 0.3mmol of 4-aldehyde nitrobenzene, 0.0375ml of CH3CN and 1.5ml of water, 1.3mmol of NH3BH3,0.021mmol of CTAB was stirred at 80 ° C. For 10 hours under vacuum. After completion of the reaction, the reaction solution was transferred to a separatory funnel, extracted with ethyl acetate for 3 times (1ml each time), and then subjected to gas chromatography-mass spectrometry (GC-MS). Analysis gave p-aminobenzyl alcohol (99.2% yield). |
Last Update：2024-04-09 20:52:54
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