4-METHOXYCATECHOL - Names and Identifiers
Name | 4-methoxybenzene-1,2-diol
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Synonyms | 4-Methoxycatechol p-Methoxycatechol 4-Methoxyactechol 4-METHOXYCATECHOL 4-Methoxy-1,2-benzenediol 4-Methoxybenzene-1,2-diol 4-methoxybenzene-1,2-diol Phloroglucinol Impurity 28 1,2-Benzenediol, 4-methoxy- 1,2-Benzenediol, 4-Methoxy- Estr-4-en-3-one,17-hydroxy-,(22β)-
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CAS | 3934-97-2
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InChI | InChI=1/C7H8O3/c1-10-5-2-3-6(8)7(9)4-5/h2-4,8-9H,1H3 |
4-METHOXYCATECHOL - Physico-chemical Properties
Molecular Formula | C7H8O3
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Molar Mass | 140.14 |
Density | 1.270±0.06 g/cm3(Predicted) |
Melting Point | 48-50 °C |
Boling Point | 120-124 °C(Press: 1 Torr) |
Flash Point | 139.8°C |
Solubility | Chloroform (Slightly), Methanol (Slightly) |
Vapor Presure | 0.000395mmHg at 25°C |
Appearance | Oil |
Color | Very Dark Brown Thick |
pKa | 9.42±0.10(Predicted) |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | 1.579 |
4-METHOXYCATECHOL - Introduction
4-methoxybenzene-1,2-diol(4-methoxybenzene-1,2-diol) is an organic compound with the chemical formula C7H8O3. The following is a detailed description of its nature, use, preparation and safety information:
Nature:
-Appearance: 4-methoxybenzene-1,2-diol is a colorless crystal or crystalline powder.
-Solubility: Its solubility in water is low, but it can be dissolved in organic solvents such as ethanol and dimethylformamide.
-Melting point: Its melting point is 104-105 degrees Celsius.
-Stability: 4-methoxybenzene-1,2-diol is a stable compound, but it may decompose under the action of light, heat and oxidants.
Use:
-Cosmetics: 4-methoxybenzene-1,2-diol can be used in cosmetics as an antioxidant and preservative.
-Medicine: The compound may have anti-inflammatory, antibacterial and antioxidant activities, so it is studied as a precursor of a new drug.
-Others: 4-methoxybenzene-1,2-diol can also be used in dyes and coatings and other fields.
Preparation Method:
4-methoxybenzene-1,2-diol can be prepared by reacting phenol with methanol. The specific preparation steps are as follows:
1. Dissolve phenol in a solvent (such as ethanol).
2. Add a small amount of sulfuric acid as a catalyst.
3. Methanol was slowly added dropwise to the reaction mixture, and the reaction system was stirred.
4. After the completion of the reaction, the pure 4-methoxybenzene-1,2-diol product was obtained through the steps of crystallization, filtration and drying.
Safety Information:
- 4-methoxybenzene-1,2-diol is relatively safe under normal circumstances, but protective measures still need to be paid attention.
-It may cause irritation to the eyes and skin, so you should wear appropriate protective glasses and gloves during operation.
-Avoid contact with fire and high temperature during use and storage.
-If inhaled or ingested, seek medical attention.
Last Update:2024-04-09 20:49:11