3,5-Di-tert-butylcatechol
3,5-Di-tert-butylcatechol
CAS: 1020-31-1
Molecular Formula: C14H22O2
3,5-Di-tert-butylcatechol - Names and Identifiers
| Name | 3,5-Di-tert-butylcatechol |
| Synonyms | 3,5-DTBC Dibutylcatechol 3,5-Di-tert-butylcatechol 3,5-di-tert-butylpyrocatechol 3,5-di-tert-butylbenzene-1,2-diol |
| CAS | 1020-31-1 |
| EINECS | 213-816-9 |
| InChI | InChI=1/C14H22O2/c1-13(2,3)9-7-10(14(4,5)6)12(16)11(15)8-9/h7-8,15-16H,1-6H3 |
3,5-Di-tert-butylcatechol - Physico-chemical Properties
| Molecular Formula | C14H22O2 |
| Molar Mass | 222.323 |
| Density | 1.012g/cm3 |
| Melting Point | 97-100℃ |
| Boling Point | 309.7°C at 760 mmHg |
| Flash Point | 136.5°C |
| Water Solubility | Insoluble in water. |
| Vapor Presure | 0.000344mmHg at 25°C |
| Appearance | Form Solid, color White to pale brown |
| pKa | 10.04±0.15(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.52 |
| Use | Introduction 3, 5-di-tert-butyl catechol is also called 3, 5-di-tert-butyl benzene -1,2-diol, which can be prepared by catechol and tert-butyl alcohol in one step. It is an organic synthesis intermediate and pharmaceutical intermediate, and can be used in laboratory research and development process and chemical production process. |
3,5-Di-tert-butylcatechol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 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 | 10-23 |
| TSCA | Yes |
| HS Code | 29072900 |
3,5-Di-tert-butylcatechol - Nature
| BRN | 1370212 |
| NIST chemical information | 1,2-Benzenediol, 3,5-bis(1,1-dimethylethyl)-(1020-31-1) |
| EPA chemical information | 1,2-Benzenediol, 3,5-bis(1,1-dimethylethyl)- (1020-31-1) |
Last Update：2024-04-10 22:29:15
3,5-Di-tert-butylcatechol - Preparation
Drop to 2.75g(25mmol) of catechol in 7ml(5.5g,74mmol) of suspension with ice-cold tert-butanol 2.5ml of concentrated H2SO4, and stir the mixture at room temperature for 8 hours. Then a mixture of 25ml of water and 1.2ml of dioxane was added, the separated precipitate was filtered out, washed with water to a neutral pH, and dried in air to obtain 3, 5-di-tert-butylbenzene-1, 2-diol, which was recrystallized from hexane. Output 5.43g,98%. mp 100-101 ℃.
Last Update：2024-04-10 22:29:15
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CAS: 1020-31-1
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