629-20-9
629-20-9 structure
- Name: 1,3,5,7-Cyclooctatetraene
- Chemical Name: [8]annulene
- CAS Number: 629-20-9
- Molecular Formula: C8H8
- Molecular Weight: 104.14900
- Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Cyclic hydrocarbon
- Create Date: 2018-02-04 08:00:00
- Modify Date: 2025-08-25 12:06:48
| Name | [8]annulene |
|---|---|
| Synonyms |
MFCD00004161
1,3,5,7-Cyclooctatetraene cyclooctatetraene EINECS 211-080-3 |
| Density | 0.925 g/mL at 25 °C(lit.) |
|---|---|
| Boiling Point | 142-143 °C(lit.) |
| Melting Point | −5-−3 °C(lit.) |
| Molecular Formula | C8H8 |
| Molecular Weight | 104.14900 |
| Flash Point | 72 °F |
| Exact Mass | 104.06300 |
| LogP | 2.22480 |
| Index of Refraction | n20/D 1.537(lit.) |
| Storage condition | 2-8°C |
| Hazard Codes | Xn,Xi |
|---|---|
| Risk Phrases | R10 |
| Safety Phrases | S26-S62 |
| RIDADR | UN 2358 3/PG 2 |
| WGK Germany | 3 |
| RTECS | GY0175600 |
| Packaging Group | II |
| Hazard Class | 3 |
| Precursor 9 | |
|---|---|
| DownStream 8 | |
![7-exo,8-syn-dibromobicyclo[4.1.1]octa-2,4-diene structure](https://image.chemsrc.com/caspic/122/82248-49-5.png)
![Chlor-8-bicyclo[5,1,0]octadien-2,4 structure](https://image.chemsrc.com/caspic/218/69530-46-7.png)
![9-oxabicyclo[4.2.1]nona-2,4-diene structure](https://image.chemsrc.com/caspic/204/19740-75-1.png)
