621-98-7
621-98-7 structure
- Name: 1,5-bis(4-methylphenyl)penta-1,4-dien-3-one
- Chemical Name: (1E,4E)-1,5-Di-p-tolylpenta-1,4-dien-3-one
- CAS Number: 621-98-7
- Molecular Formula: C19H18O
- Molecular Weight: 262.34600
- Create Date: 2019-01-08 22:17:43
- Modify Date: 2025-09-04 21:36:59
| Name | (1E,4E)-1,5-Di-p-tolylpenta-1,4-dien-3-one |
|---|---|
| Synonyms | 1,5-bis(4-methylphenyl)penta-1,4-dien-3-one |
| Density | 1.068g/cm3 |
|---|---|
| Boiling Point | 430.4ºC at 760 mmHg |
| Molecular Formula | C19H18O |
| Molecular Weight | 262.34600 |
| Flash Point | 188.6ºC |
| Exact Mass | 262.13600 |
| PSA | 17.07000 |
| LogP | 4.59910 |
| Index of Refraction | 1.629 |
| HS Code | 2914399090 |
|---|
| HS Code | 2914399090 |
|---|---|
| Summary | 2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |