Tetraammine dichloropalladium (II) monohydrate
Palladium(II) tetrammine chloride
CAS: 13933-31-8
Molecular Formula: Cl2H14N4OPd
Tetraammine dichloropalladium (II) monohydrate - Names and Identifiers
| Name | Palladium(II) tetrammine chloride |
| Synonyms | Sensitizer Palladiumtetramminechloride Dichlorotetraaminopalladium Tetraamminepalladium chloride DichlorotetraaMMine palladiuM Tetraammine Dichloropalladium ( Palladium(II) tetrammine chloride TetraaMMine dichloropalladiuM(II) Tetraamminepalladium (II) chloride Tetraamminepalladium chloride monohydrate Tetraamminepalladium(Ⅱ) chloride monohydrate Tetraamminepalladium(II) chloride monohydrate Tetraammine Dichloropalladium (Ⅱ) monohydrate TetraaMMine dichloropalladiuM (II) Monohydrate |
| CAS | 13933-31-8 |
| EINECS | 604-126-2 |
| InChI | InChI=1/2ClH.4H3N.H2O.Pd/h2*1H;4*1H3;1H2;/q;;;;;;;+2/p-2 |
| InChIKey | WVCXSPJPERKPJS-UHFFFAOYSA-L |
Tetraammine dichloropalladium (II) monohydrate - Physico-chemical Properties
| Molecular Formula | Cl2H14N4OPd |
| Molar Mass | 263.46 |
| Density | 1.91g/mLat 25°C(lit.) |
| Melting Point | 120°C (dec.)(lit.) |
| Water Solubility | Soluble in water. |
| Appearance | Yellow or yellow-green powder |
| Storage Condition | Sealed in dry,Room Temperature |
| Sensitive | Hygroscopic |
| MDL | MFCD00151033 |
Tetraammine dichloropalladium (II) monohydrate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| TSCA | Yes |
| Hazard Class | 9 |
Tetraammine dichloropalladium (II) monohydrate - Reference Information
| application | dichlorotetrammine palladium (II) is an important palladium compound, widely used in chemical catalysis and electroplating industry, is the main raw material for palladium plating, is a new type of electroplating main salt, its electroplating efficiency is high, clean and environmentally friendly, it has been widely used in the electronics industry. In addition, dichlorotetrammine palladium (II) can also be used as a precursor compound for supported palladium catalysts due to its good water solubility and relatively stable solution chemical properties. |
| preparation | a preparation method of dichlorotetrammine palladium solid crystal, which comprises the following steps:(1) acid leaching and dissolution: soaking palladium tablets or palladium powder with aqua regia at 70 ℃ for 90min according to the dosage ratio of 1g:4mL;(2) hydrochloric acid to catch up with nitrate: the solution of step (1) is heated and concentrated to 1/2 of the original volume in a reaction kettle. Under boiling conditions, the solution with a concentration of 30% hydrochloric acid is added dropwise and heated until no reddish brown gas is generated. The heating is stopped and cooled to 75°C;(3) Ammonia complexation: Slowly drop ammonia water with a concentration of 25% to the solution in step (2), after dropping to the solution system PH = 8, stop adding the ammonia water; The ammonia water droplet adding process is kept stirring at a constant speed with a stirring speed of 100r /min. After the reaction, it is allowed to stand and cool to 20 ℃, and insoluble impurities are filtered out. The filter residue is cleaned with pure water until the filtrate PH = 6, and the filter residue can be recycled. (4) acidification: to filter the filtrate obtained in step (3), drop the concentration of 30% concentrated hydrochloric acid, drop to the solution system PH = 1, stop adding the concentrated hydrochloric acid, cool and filter, cool the temperature is 20 ℃, obtain palladium yellow (dichlorodiammonium palladium), clean the palladium yellow once with 1% hydrochloric acid solution at 20 ℃, and then clean the palladium yellow twice with DI water, the filtered filtrate is treated with wastewater;(5) Ammonia water dissolution: transfer the palladium yellow obtained by filtration in step (4) to a conversion tank, add 25% ammonia water dropwise to dissolve the palladium yellow, and cool it to 25°C;(6) Dehydration crystallization: Add a dehydrating agent (anhydrous ethanol) to the solution in step (5) according to the ratio of Pd: dehydrating agent = 1:3 to perform dehydration crystallization, the operating temperature of the dehydration crystallization process is 20°C, the crystallization process is maintained at a constant speed and stirred for 110r /min, the solid crystals are filtered out after the reaction is completed, the solid crystals are cleaned twice with a dehydrating agent, and the solid crystals are pumped by vacuum filtration. Dry, the filtered filtrate is treated with wastewater;(7) Drying: The solid crystals obtained in step (6) are subjected to vacuum drying at 40°C, the vacuum negative pressure value is 0.08Mpa, and it is taken out after drying to constant weight to obtain clean dichlorotetrammine palladium solid crystalline salt. The yield is 93%. |
| use | used as precious metal electroplating reagent and additive raw materials for synthesizing various palladium compounds, a large amount of palladium plating bath solution is used to prepare. |
| NIST chemical information | The information is provided by: webbook.nist.gov (external link) |
Last Update：2024-04-09 01:59:58
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Tetraammine dichloropalladium (II) monohydrate
5-(甲氧羰基)砒啶-3-硼酸
tert-Butyl (2-(2-(2-hydroxyethoxy)ethoxy)ethyl)carbaMate
三辛基氯化锡
2-溴-3-甲基苯甲酸甲酯
3-三氟甲氧基溴苯3-溴-Α,Α,Α-三氟苯甲醚间三氟甲氧基溴苯
SALOR-INT L496685-1EA
3-(Boc-氨基)呋喃-2-甲酰胺
全氟辛基磺酰氟 危险品
4-三甲基硅杂氧基-3-戊烯-2-酮
5-(甲氧羰基)砒啶-3-硼酸
tert-Butyl (2-(2-(2-hydroxyethoxy)ethoxy)ethyl)carbaMate
三辛基氯化锡
2-溴-3-甲基苯甲酸甲酯
3-三氟甲氧基溴苯3-溴-Α,Α,Α-三氟苯甲醚间三氟甲氧基溴苯
SALOR-INT L496685-1EA
3-(Boc-氨基)呋喃-2-甲酰胺
全氟辛基磺酰氟 危险品
4-三甲基硅杂氧基-3-戊烯-2-酮