66737-86-8
66737-86-8 structure
- Name: 5,7-bis(1,1-dimethylethyl)-3-phenyl-(3H)-benzofuran-2-one
- Chemical Name: 5,7-ditert-butyl-3-phenyl-3H-1-benzofuran-2-one
- CAS Number: 66737-86-8
- Molecular Formula: C22H26O2
- Molecular Weight: 322.44100
- Create Date: 2016-08-29 10:28:25
- Modify Date: 2025-08-25 10:00:51
| Name | 5,7-ditert-butyl-3-phenyl-3H-1-benzofuran-2-one |
|---|---|
| Synonyms |
5,7-di-tert-butyl-3-phenyl-2-coumaranone
EINECS 266-468-5 5,7-di-tert-butyl-3-phenyl-3H-benzofuran-2-one |
| Density | 1.061g/cm3 |
|---|---|
| Boiling Point | 369.8ºC at 760 mmHg |
| Molecular Formula | C22H26O2 |
| Molecular Weight | 322.44100 |
| Flash Point | 154.9ºC |
| Exact Mass | 322.19300 |
| PSA | 26.30000 |
| LogP | 5.33250 |
| Index of Refraction | 1.55 |
| HS Code | 2932209090 |
|---|
|
~86%
66737-86-8 |
| Literature: Ciba Specialty Chemicals Holding Inc. Patent: EP1170296 A2, 2002 ; Location in patent: Page 39 ; |
|
~62%
66737-86-8 |
| Literature: Ciba-Geigy Corporation Patent: US5607624 A1, 1997 ; |
|
~%
66737-86-8 |
| Literature: Gerster, Michele; Wicki, Reto Synthesis, 2004 , # 2 p. 249 - 254 |
|
~61%
66737-86-8 |
| Literature: Nesvadba, Peter; Bugnon, Lucienne; Dubs, Paul; Evans, Samuel Synlett, 1999 , # SPEC. ISS. p. 863 - 864 |
|
~%
66737-86-8 |
| Literature: Gerster, Michele; Wicki, Reto Synthesis, 2004 , # 2 p. 249 - 254 |
|
~%
66737-86-8 |
| Literature: Gerster, Michele; Wicki, Reto Synthesis, 2004 , # 2 p. 249 - 254 |
| Precursor 5 | |
|---|---|
| DownStream 1 | |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |