2,6-二叔丁基-4-甲基吡啶
2,6-Di-tert-butyl-4-methylpyridine
CAS: 38222-83-2
Molecular Formula: C14H23N
2,6-二叔丁基-4-甲基吡啶 - Names and Identifiers
| Name | 2,6-Di-tert-butyl-4-methylpyridine |
| Synonyms | DTBMP Dibutylmethylpyridine 4-Methyl-2,6-di-tert-butylpyridine 2,6-Di-tert-butyl-4-methylpyridine 2,6-DI-TERT-BUTYL-4-METHYLPYRIDINE 2,6-Bis(tert-butyl)-4-methylpyridine Pyridine, 2,6-bis(1,1-dimethylethyl)-4-methyl- |
| CAS | 38222-83-2 |
| EINECS | 253-834-4 |
| InChI | InChI=1/C14H23N/c1-10-8-11(13(2,3)4)15-12(9-10)14(5,6)7/h8-9H,1-7H3 |
| InChIKey | HVHZEKKZMFRULH-UHFFFAOYSA-N |
2,6-二叔丁基-4-甲基吡啶 - Physico-chemical Properties
| Molecular Formula | C14H23N |
| Molar Mass | 205.34 |
| Density | 1,476 g/cm3 |
| Melting Point | 33-36 °C (lit.) |
| Boling Point | 233 °C (lit.) |
| Flash Point | 183°F |
| Water Solubility | Sparingly soluble in water. Soluble in ethanol, acetic acid and diethyl ether. |
| Solubility | ethanol: soluble5%, clear to slightly hazy, colorless to dark yellow |
| Vapor Presure | 0.0871mmHg at 25°C |
| Appearance | Solid |
| Color | brown |
| BRN | 130503 |
| pKa | 6.88±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Sensitive | Air & Light Sensitive |
| Refractive Index | n20/D 1.4763(lit.) |
| MDL | MFCD00006305 |
| Physical and Chemical Properties | White needle-like crystals. Melting point 31-32 °c, boiling point 148-153 °c (12.6kPa). |
| Use | Intermediates in organic synthesis. |
2,6-二叔丁基-4-甲基吡啶 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - 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. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8-10-23 |
| HS Code | 29333990 |
2,6-二叔丁基-4-甲基吡啶 - Reference Information
| use | organic synthesis intermediate. a sterically hindered, non-nucleophilic base which distinguishes between Br nsted (protonic) and Lewis acids. Enables the direct high-yield conversion of aldehydes1 and ketones1,2 to vinyl triflates. |
| Production method | First, 2, 6-di-tert-butyl-4-methylpyran (trifluoromethanesulfonic acid) salt is prepared from trimethylacetyl chloride, tert-butanol and trifluoromethanesulfonic acid. The salt is then suspended in ethanol and cooled to -60°C to react with concentrated ammonia to produce 2, 6-di-tert-butyl-4-methylpyridine. |
Last Update：2024-04-09 02:00:08
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View History
2,6-二叔丁基-4-甲基吡啶
1-{2-[(4-chlorophenyl)(phenyl)methoxy]ethyl}piperidine
N-Cetyl Trimethyl AmmoNium Hydroxide solutioN in MethaNol
1-{2-[(4-chlorophenyl)(phenyl)methoxy]ethyl}piperidine
N-Cetyl Trimethyl AmmoNium Hydroxide solutioN in MethaNol