150-19-6
3-Methoxyphenol
CAS: 150-19-6
Molecular Formula: C7H8O2
150-19-6 - Names and Identifiers
| Name | 3-Methoxyphenol |
| Synonyms | m-Methoxyphel 3-Methoxyphenol m-Hydroxyanisole 3-Hydroxyanisole META-METHOXYPHENOL Resorcinol monomethyl ether RESORCINOL MONOMETHYL ETHER 3-Hydroxy phenyl methyl ether RESORCINOLMETA-MONOMETHYLETHER 3-Methoxyphenol,3-Hydroxyanisol 3-Hydroxyanisol, Resorcinol monomethyl ether 3-Methoxyphenol, (Resorcinol monomethyl ether) |
| CAS | 150-19-6 |
| EINECS | 205-754-6 |
| InChI | InChI=1/C6H6O2.C2H6O/c7-5-2-1-3-6(8)4-5;1-3-2/h1-4,7-8H;1-2H3 |
| InChIKey | ASHGTJPOSUFTGB-UHFFFAOYSA-N |
150-19-6 - Physico-chemical Properties
| Molecular Formula | C7H8O2 |
| Molar Mass | 124.14 |
| Density | 1.131 g/mL at 25 °C (lit.) |
| Melting Point | -17 °C |
| Boling Point | 113-115 °C/5 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | slightly soluble |
| Appearance | Liquid |
| Color | Clear pink-reddish to brown |
| BRN | 1209898 |
| pKa | 9.65(at 25℃) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.552(lit.) |
| Physical and Chemical Properties | Colorless transparent to light yellow liquid. Boiling point 244 °c. |
150-19-6 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/38 - Irritating to eyes and skin. R41 - Risk of serious damage to eyes R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R36 - Irritating to the eyes R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S46 - If swallowed, seek medical advice immediately and show this container or label. S37/39 - Wear suitable gloves and eye/face protection S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 2810 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | SL7524000 |
| TSCA | Yes |
| HS Code | 29095090 |
| Hazard Class | 6.1 |
| Packing Group | III |
150-19-6 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | 3-methoxyphenol, also known as M-methoxyphenol, is the monomethyl ether of resorcinol, is an important pharmaceutical chemical raw materials, can be used for plastic antioxidant antioxidant, fungicides, photosensitive materials and other fields. is an important intermediate in organic synthesis. |
| preparation | catalyst preparation: S1, 1mol of decahexyltrimethylammonium bromide was added to 0.1mol/L aqueous sodium hydroxide solution, stirred and dissolved, 1mol of tetraethoxysilane was slowly added, and stirring was continued. The Sol was hydrothermally crystallized at 100 ℃ for three days, 60 deg C drying oven drying overnight, 500 deg C calcination 6h pure silicon MCM-41 molecular sieve. S2, MCM-41 G of molecular sieve is added into 0.1mol/L zinc chloride solution, and the mass ratio of zinc chloride to MCM-41 is controlled to be 1:20, and a small amount of organic dispersant is added, rapid stirring and heating, reflux hydrolysis, and then slowly add saturated ammonium bicarbonate solution to the solution is neutral, stop heating, natural cooling and standing for a period of time, after filtering and washing, low temperature drying, the solid was immersed in an ammonium sulfate solution, dried in an oven to remove the solution and then calcined in a muffle furnace at 600 ° C. For 7 hours to give S2O82-/Al-MCM-41 catalyst. Preparation of 3-methoxyphenol: The S2O82-/Al-MCM-41 catalyst prepared in the above step (1) is loaded in the reaction section of the reactive distillation column, which comprises a reaction section, distillation section and rectification section, in which the number of theoretical plates in the reaction section is 10; The distillation section was 12, and the number of theoretical plates in the rectification section was 25. resorcinol and methanol are fed to the reaction distillation column for etherification reaction, and the reaction temperature is controlled at 80-82 ℃, and the feeding position is at the upper end of the packing of the reaction distillation column, after the reaction, the synthesized 3-methoxyphenol product was continuously produced from the column kettle. The conversion of resorcinol was 98.1%, the selectivity of 3-methoxyphenol was 95.3%, and the produced product HPLC was> 95%. |
Last Update：2024-04-09 15:16:45
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