2,6一二叔丁基苯醌
2,6-Di-tert-butyl-p-benzoquinone
CAS: 719-22-2
Molecular Formula: C14H20O2
2,6一二叔丁基苯醌 - Names and Identifiers
2,6一二叔丁基苯醌 - Physico-chemical Properties
| Molecular Formula | C14H20O2 |
| Molar Mass | 220.31 |
| Density | 1.0106 (rough estimate) |
| Melting Point | 65-67°C(lit.) |
| Boling Point | 75-80 °C (0.7 mmHg) |
| Flash Point | >110°(230°F) |
| Water Solubility | Insoluble in water. |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.00281mmHg at 25°C |
| Appearance | Solid |
| Color | Orange to brown |
| BRN | 1911512 |
| Storage Condition | Amber Vial, -20°C Freezer, Under inert atmosphere |
| Refractive Index | 1.4970 (estimate) |
| MDL | MFCD00001601 |
| Physical and Chemical Properties | Yellow crystals. Melting point 68 C, boiling point 60 C (1.33 x 10-3kpa), sublimation. |
| Use | Used as a pharmaceutical Intermediate |
2,6一二叔丁基苯醌 - 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S22 - Do not breathe dust. |
| WGK Germany | 3 |
| RTECS | DK3970000 |
| TSCA | Yes |
| HS Code | 29146990 |
2,6一二叔丁基苯醌 - 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 | organic synthesis intermediates. used as pharmaceutical intermediates |
| production method | 2, 3-dichloro-5, 6-dicyano-1, 4-benzoquinone (DDQ) and 2, 6-di-tert-butyl-4-methoxyphenol were dissolved in methanol. Nitrogen was applied and the reaction was stirred for 12h. Concentrated under reduced pressure, the residue was treated with boiling benzene, and the insoluble matter of hydroquinone converted by DDQ was filtered out. After the filtrate was concentrated, a yellow solid was obtained, which was washed with aqueous methanol and filtered to obtain 2, 6-di-tert-butyl-1, 4-benzoquinone in 81% yield. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:32:08
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