4-Tolyl Ether
P-tolyl ether
CAS: 1579-40-4
Molecular Formula: C14H14O
4-Tolyl Ether - Names and Identifiers
| Name | P-tolyl ether |
| Synonyms | Ditolylether 4-Tolyl Ether P-tolyl ether Di-4-Tolyl Ether Di-p-Tolyl Ether Bis(4-tolyl) ether p-(p-Tolyloxy)toluene bis(4-methylphenyl)ether Bis(4-methylphenyl) ether 1,1'-oxybis[4-methyl-benzen 4,4'-Dimethyldiphenyl ether 1,1'-oxybis(4-methyl-benzen 1,1'-oxybis(4-methylbenzene) 4,4'-dimethyl diphenyl ether 1,1'-oxybis(4-methylbenzene) Benzene, 1,1'-oxybis[4-methyl- Benzene, 1,1'-oxybis*4-methyl- |
| CAS | 1579-40-4 |
| EINECS | 216-423-0 |
| InChI | InChI=1/C14H14O/c1-11-3-7-13(8-4-11)15-14-9-5-12(2)6-10-14/h3-10H,1-2H3 |
| InChIKey | YWYHGNUFMPSTTR-UHFFFAOYSA-N |
4-Tolyl Ether - Physico-chemical Properties
| Molecular Formula | C14H14O |
| Molar Mass | 198.26 |
| Density | 1.0074 (rough estimate) |
| Melting Point | 47-49 °C (lit.) |
| Boling Point | 285 °C (lit.) |
| Flash Point | >230°F |
| Solubility | Soluble in acetone, benzene, ether. |
| Vapor Presure | 0.0048mmHg at 25°C |
| Appearance | White crystal or powder |
| Color | Pale yellow |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5948 (estimate) |
| MDL | MFCD00025979 |
4-Tolyl Ether - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | DA6625000 |
| TSCA | Yes |
| HS Code | 29093090 |
| Hazard Class | 9 |
4-Tolyl Ether - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | p-xylene ether is an important pharmaceutical intermediate, such as it can be used to prepare 4,4 '-diphenyl ether dimethyl acid. 4,4 '-diphenyl ether dimethyl acid can be used in the electronics and pharmaceutical industries. It is copolymerized with dihydric phenol and other aromatic dibasic acids to form a fully aryl thermoplastic liquid crystal polymer (TLCP), which can be used to prepare high-strength, high-modulus liquid crystal fibers, special engineering plastics and polymer flame retardants. It has a wide range of uses in industry. |
| application | p-xylene ether is an important pharmaceutical intermediate, such as it can be used to prepare 4,4 '-diphenyl ether dimethyl acid. 4,4 '-diphenyl ether dimethyl acid can be used in the electronics and pharmaceutical industries. |
| preparation | p-cresol (1.2mmol), cuprous iodide (0.05mmol), ligand L-II-34 (0.1mmol), potassium phosphate (2.0mmol) are added into a 10mL sealed tube, argon gas is replaced by vacuuming for 3 times, p-methylchlorobenzene (1.0mmol) and 1mL DMSO are added, and the reaction is uniformly stirred at 120 ℃ for 24 hours, after cooling, wash the contents of the sealed pipe with ethyl acetate, filter with silica gel and diatomite small column, concentrate the filtrate and column chromatography to obtain the product p-xylene ether. |
Last Update：2024-04-10 22:29:15
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