21551-47-3
21551-47-3 structure
- Name: (E)-1,3-bis(4-methylphenyl)prop-2-en-1-one
- Chemical Name: 4,4'-Dimethylchalcone
- CAS Number: 21551-47-3
- Molecular Formula: C17H16O
- Molecular Weight: 236.30800
- Create Date: 2017-03-24 02:43:44
- Modify Date: 2025-10-11 23:12:50
| Name | 4,4'-Dimethylchalcone |
|---|---|
| Synonyms |
4-methylbenzal-4'-methylacetophenone
4'-methyl-2-(4-methylbenzylidene)acetophenone 1,3-bis(4-methylphenyl)prop-2-en-1-one 4-methyl-4'-methylchalcone 1,3-di-p-tolyl-propenone p,p'-dimethylbenzalacetophenone 4,4'-dimethyl-chalcone (E)-1,3-bis(4-methylphenyl)prop-2-en-1-one |
| Density | 1.062g/cm3 |
|---|---|
| Boiling Point | 389.3ºC at 760 mmHg |
| Molecular Formula | C17H16O |
| Molecular Weight | 236.30800 |
| Flash Point | 169.9ºC |
| Exact Mass | 236.12000 |
| PSA | 17.07000 |
| LogP | 4.19950 |
| Vapour Pressure | 2.88E-06mmHg at 25°C |
| Index of Refraction | 1.606 |
| HS Code | 2914399090 |
|---|
|
~10%
21551-47-3 |
| Literature: Toda, Fumio; Tanaka, Koichi; Hamai, Koki Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990 , # 11 p. 3207 - 3209 |
|
~41%
21551-47-3 |
| Literature: Chatterjee, Paresh Nath; Roy, Sujit Tetrahedron, 2012 , vol. 68, # 19 p. 3776 - 3785 |
|
~45%
21551-47-3 |
| Literature: Wang, Jialiang; Huang, Wen; Zhang, Zhengxing; Xiang, Xu; Liu, Ruiting; Zhou, Xigeng Journal of Organic Chemistry, 2009 , vol. 74, # 9 p. 3299 - 3304 |
|
~65%
21551-47-3 |
| Literature: Fan, Xuesen; Zhang, Yongmin Journal of Chemical Research - Part S, 2002 , # 9 p. 439 - 441 |
|
~%
21551-47-3 |
| Literature: Chatterjee, Paresh Nath; Roy, Sujit Tetrahedron, 2012 , vol. 68, # 19 p. 3776 - 3785 |
|
~%
21551-47-3 |
| Literature: Chatterjee, Paresh Nath; Roy, Sujit Tetrahedron, 2012 , vol. 68, # 19 p. 3776 - 3785 |
|
~%
21551-47-3 |
| Literature: Chatterjee, Paresh Nath; Roy, Sujit Tetrahedron, 2012 , vol. 68, # 19 p. 3776 - 3785 |
| Precursor 4 | |
|---|---|
| DownStream 5 | |
| 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% |