21657-71-6
21657-71-6 structure
- Name: anti-Tricyclo(6.4.0.02,7)dodecatetraene
- Chemical Name: 4a,4b,8a,8b-tetrahydrobiphenylene
- CAS Number: 21657-71-6
- Molecular Formula: C12H12
- Molecular Weight: 156.22400
- Create Date: 2018-06-13 16:59:33
- Modify Date: 2025-09-21 19:19:03
| Name | 4a,4b,8a,8b-tetrahydrobiphenylene |
|---|---|
| Synonyms |
anti-o,o'-dibenzene
cis-anti-cis-Tricyclo<dodecatetraen |
| Density | 1.054g/cm3 |
|---|---|
| Boiling Point | 259.2ºC at 760mmHg |
| Molecular Formula | C12H12 |
| Molecular Weight | 156.22400 |
| Flash Point | 85.9ºC |
| Exact Mass | 156.09400 |
| LogP | 2.71680 |
| Vapour Pressure | 0.0212mmHg at 25°C |
| Index of Refraction | 1.588 |
| HS Code | 2902909090 |
|---|
| Precursor 2 | |
|---|---|
| DownStream 0 | |
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |