4-methylcatechol
4-methylcatechol
CAS: 452-86-8
Molecular Formula: C7H8O2
4-methylcatechol - Names and Identifiers
| Name | 4-methylcatechol |
| Synonyms | 4-methylcatechol p-methylcatechol PARA-METHYLCATECHOL p-Methylpyrocatechol 4-methyl-pyrocatecho 4-methyl-2-benzenediol 2-Hydroxy-4-methylphenol 4-methyl-benzene-1,2-diol 4-Methyl-1,2-dihydroxybenzene 4-Methyl-1,2-benzenediol (4-methylpyrocatechol) |
| CAS | 452-86-8 |
| EINECS | 207-214-5 |
| InChI | InChI=1/C7H8O2/c1-5-2-3-6(8)7(9)4-5/h2-4,8-9H,1H3 |
| InChIKey | ZBCATMYQYDCTIZ-UHFFFAOYSA-N |
4-methylcatechol - Physico-chemical Properties
| Molecular Formula | C7H8O2 |
| Molar Mass | 124.14 |
| Density | 1.129 g/mL at 25 °C (lit.) |
| Melting Point | 67-69 °C (lit.) |
| Boling Point | 251 °C (lit.) |
| Flash Point | 140 °C |
| Water Solubility | soluble |
| Solubility | Soluble in water, miscible with acetone, ethanol, ether and toluene, moderately soluble in petroleum ether. Slightly soluble in carbon tetrachloride. |
| Vapor Presure | 0.016mmHg at 25°C |
| Appearance | Crystalline powder |
| Specific Gravity | 1.129 |
| Color | White to brown |
| BRN | 636512 |
| pKa | 9.91±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Sensitive | `sensitive` to light and air |
| Refractive Index | 1.5425 (estimate) |
| MDL | MFCD00002205 |
| Physical and Chemical Properties | Melting Point: 67-69°C(lit.) Boiling Point: 251°C(lit.) density: 1.129g/mL at 25°C(lit.) flash point: 140°C water solubility: soluble Properties: off-white to white crystalline powder |
| Use | As an intermediate, it is used in the synthesis of antibacterial agents and antioxidants, and can be used as a highly efficient polymerization inhibitor. For photosensitive material sterilization and mildew-proof, the manufacture of Apple-type spices. As an intermediate, it is used in the synthesis of antibacterial agents and antioxidants, and can be used as a high-efficiency polymerization inhibitor. |
4-methylcatechol - Risk and Safety
| 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. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | UX1915000 |
| HS Code | 29072990 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
4-methylcatechol - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Biological activity | 4-Methylcatechol, a metabolite of p-toluate, is both a suicide substrate inhibitor Catechol 2,3-Dioxygenase. |
| use | used for sterilization and mildew prevention of photosensitive materials and the manufacture of apple-type spices. As an intermediate, it is used for the synthesis of antibacterial agents and antioxidants, and can be used as a high-efficiency polymerization inhibitor. It is used for sterilization and mildew prevention of photosensitive materials and for making apple-type spices. As an intermediate, it is used in the synthesis of antibacterial agents and antioxidants, and can be used as a high-efficiency polymerization inhibitor |
| production method | natural 4-methyl guaiacol is used as raw material through oxidation. |
Last Update：2024-04-09 02:00:08
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