258865-48-4
258865-48-4 structure
- Name: 9,9-Dioctylfluorene-2,7-diboronic acid
- Chemical Name: (7-borono-9,9-dioctylfluoren-2-yl)boronic acid
- CAS Number: 258865-48-4
- Molecular Formula: C29H44B2O4
- Molecular Weight: 478.279
- Create Date: 2019-01-17 14:40:39
- Modify Date: 2025-09-01 15:25:34
| Name | (7-borono-9,9-dioctylfluoren-2-yl)boronic acid |
|---|---|
| Synonyms |
(9,9-Dioctyl-9H-fluorene-2,7-diyl)diboronic acid
9,9-Dioctylfluorene-2,7-diboronic acid 9,9-dioctyl-9H-fluorene-2,7-diyldiboronic acid MFCD03701608 Boronic acid, B,B'-(9,9-dioctyl-9H-fluorene-2,7-diyl)bis- 2,7-diboronic acid-9,9-dioctylfluorene |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 670.8±65.0 °C at 760 mmHg |
| Melting Point | 158-162ºC(lit.) |
| Molecular Formula | C29H44B2O4 |
| Molecular Weight | 478.279 |
| Flash Point | 359.5±34.3 °C |
| Exact Mass | 478.342560 |
| PSA | 80.92000 |
| LogP | 11.38 |
| Vapour Pressure | 0.0±2.2 mmHg at 25°C |
| Index of Refraction | 1.556 |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | Xi |
| Risk Phrases | 22-24/25 |
| Safety Phrases | 22-24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3.0 |
| HS Code | 2916399090 |
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |