288-05-1
288-05-1 structure
- Name: Selenophene
- Chemical Name: selenophene
- CAS Number: 288-05-1
- Molecular Formula: C4H4Se
- Molecular Weight: 131.035
- Catalog: Chemical reagent Organic reagent Selenium compound
- Create Date: 2018-04-28 08:00:00
- Modify Date: 2025-08-25 12:35:35
| Name | selenophene |
|---|---|
| Synonyms |
Selenofuran
Selenacyclopentadiene MFCD00075487 selenophen selenole Selenophene |
| Density | 1.423 g/mL at 25 °C(lit.) |
|---|---|
| Boiling Point | 110.5±9.0 °C at 760 mmHg |
| Melting Point | -30ºC(lit.) |
| Molecular Formula | C4H4Se |
| Molecular Weight | 131.035 |
| Flash Point | 20.6±18.7 °C |
| Exact Mass | 131.947815 |
| LogP | 1.49 |
| Appearance | liquid |
| Vapour Pressure | 27.8±0.2 mmHg at 25°C |
| Index of Refraction | n20/D 1.58(lit.) |
| Storage condition | Flammables area |
| Symbol |
GHS02, GHS06, GHS08, GHS09 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H225-H301 + H331-H373-H410 |
| Precautionary Statements | P210-P261-P273-P301 + P310-P311-P501 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | T: Toxic;N: Dangerous for the environment; |
| Risk Phrases | 23/25-33-50/53 |
| Safety Phrases | 20/21-28-45-60-61 |
| RIDADR | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| Packaging Group | II |
| Hazard Class | 3.1 |
| HS Code | 2902909090 |
| Precursor 10 | |
|---|---|
| DownStream 9 | |
| 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% |