|
| Identification |
| Name |
DDQ |
| Synonymous |
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone; 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-carbonitrile |
| Molecular Structure |
|
| Molecular Formula |
C8Cl2N2O2 |
| Molecular Weight |
227.01 |
| CAS Number |
84-58-2 |
| Properties |
| Melting Point |
213-217 ºC
|
| Safety & Transportation Data |
| Hazardous class |
6.1
|
| UN number |
3439
|
| Packing group |
III
|
| MSDS |
For request. |
| Harzard Symbols |
T
|
| Risk Codes |
R20/21;R25;R37/38;R41
|
| Safety Description |
S26;S36/37;S45
|
| Supplier Specification |
| Appearance |
yellow crystalline powder
|
| Purity |
98%+
|
| Packages |
25Kg/cardboard drum
|
| Storage |
Sealed packaging of plastic bag, put and keep photophobically in the dry environment of normal atmospheric temperature.
|
| Notes |
Dichlorodicyanpara-Quinone(DDQ) is a kind of pharmaceutical intermediate, it is specially used as the steroid hormone compound's dehydrogenating agent.
Reagent for the dehydrogenation of hydroaromatic compounds[1]; Reagent for the mild cleavage of ether-type protecting groups[2,3,4]
Ref:
- P.P. Fu, R.G. Harvey Chem. Rev. 78, 317, (1978)
- Y. Oikawa et al. Tetrahedron Lett. 25, 5393, (1984)
- Tetrahedron Lett. 25, 5397, (1984)
- A. Oku et al. Chem. Lett., 165, (1993)
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