Hydroxide Palladium
Cas No: 12135-22-7
Molecular formula: Pd(OH)2
Molecular weight: 140.4
Appearance: black powder
Application scope：
Hydrogenation catalyst. Hydrogenated benzene ring, so that amine and b- ketone acid synthesis a- amino acid.
Synthesis methods: 30g palladium chloride in 43ml of concentrated hydrochloric acid and 570 ml water, add 68.6 g of activated carbon, rapid mixing and heating to 60℃. Add 31 g in the mixture of granular sodium hydroxide, join the speed with temperature does not exceed 80℃ advisable. Then add 6.6g of solid sodium bicarbonate to the mixture and stir for 12h. The catalyst was filtered and washed with 430ml water, followed by a mixture of 430ml water and 8.6ml acetic acid. Leach catalyst, in the 65℃ drying under vacuum. Store under N2 protection. Stable at room temperature and pressure to avoid alkali and bromine materials.
P&C parameters：
|
Palladium content |
≥75.0% |
|
Appearance |
Black powder |
|
Molecular formula |
Pd(OH)2 |
|
The molecular weight |
140.4 |
|
Melting point |
297-298℃ |
|
CAS No. |
12135-22-7 |
陕公网安备 61030502000254号