13933-31-8

13933-31-8 - 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/h21H;41H3;1H2;/q;;;;;;;+2/p-2
InChIKey	WVCXSPJPERKPJS-UHFFFAOYSA-L

13933-31-8 - 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

13933-31-8 - 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

13933-31-8 - 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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13933-31-8
119018-29-0
81305-62-6
127285-54-5
56131-47-6
110543-98-1
10602-37-6
癸二酸二丁酯
正磷酸

13933-31-8

Palladium(II) tetrammine chloride

CAS: 13933-31-8

Molecular Formula: Cl2H14N4OPd

13933-31-8 - Names and Identifiers

13933-31-8 - Physico-chemical Properties

13933-31-8 - Risk and Safety

13933-31-8 - Reference Information

Supplier List

13933-31-8 Request for Quotation

Palladium(II) tetrammine chloride

CAS: 13933-31-8

Molecular Formula: Cl2H14N4OPd

13933-31-8 - Names and Identifiers

13933-31-8 - Physico-chemical Properties

13933-31-8 - Risk and Safety

13933-31-8 - Reference Information

Supplier List

13933-31-8