but-2-ynedial
Modify Date: 2025-08-25 21:09:18
but-2-ynedial structure
|
Common Name | but-2-ynedial | ||
|---|---|---|---|---|
| CAS Number | 21251-20-7 | Molecular Weight | 82.05750 | |
| Density | 1.131 g/cm3 | Boiling Point | 154.5ºC at 760 mmHg | |
| Molecular Formula | C4H2O2 | Melting Point | N/A | |
| MSDS | N/A | Flash Point | 47.6ºC | |
| Name | but-2-ynedial |
|---|---|
| Synonym | More Synonyms |
| Density | 1.131 g/cm3 |
|---|---|
| Boiling Point | 154.5ºC at 760 mmHg |
| Molecular Formula | C4H2O2 |
| Molecular Weight | 82.05750 |
| Flash Point | 47.6ºC |
| Exact Mass | 82.00550 |
| PSA | 34.14000 |
| InChIKey | AZEBXWRLBFPUTO-UHFFFAOYSA-N |
| SMILES | O=CC#CC=O |
| HS Code | 2912190090 |
|---|
|
~55%
but-2-ynedial CAS#:21251-20-7 |
| Literature: Stephan, Dominique; Gorgues, Alain; Belyasmine, Ahmed; Coq, Andre Le Journal of the Chemical Society, Chemical Communications, 1988 , # 4 p. 263 - 264 |
|
~%
but-2-ynedial CAS#:21251-20-7 |
| Literature: Dunn, Peter J.; Rees, Charles W. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 1579 - 1584 |
|
~%
but-2-ynedial CAS#:21251-20-7 |
| Literature: Gorgues, A.; Simon, A.; Coq, A. Le; Hercouet, A.; Corre, F. Tetrahedron, 1986 , vol. 42, # 1 p. 351 - 370 |
| Precursor 2 | |
|---|---|
| DownStream 0 | |
| HS Code | 2912190090 |
|---|---|
| Summary | 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
| acetylenedicarbaldehyde |
| 2-Butynedial |
| ACETYLENEDICARBOXALDEHYDE |
| Butynedial |