(SP-4-2)-Chlorotris(triphenylphosphine)rhodium
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(SP-4-2)-Chlorotris(triphenylphosphine)rhodium
structure -
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CAS No:
14694-95-2
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Formula:
C54H45ClP3Rh
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Chemical Name:
(SP-4-2)-Chlorotris(triphenylphosphine)rhodium
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Synonyms:
Rhodium,chlorotris(triphenylphosphine)-,(SP-4-2)-;Rhodium,chlorotris(triphenylphosphine)-;(SP-4-2)-Chlorotris(triphenylphosphine)rhodium;Tris(triphenylphosphine)chlororhodium;Chlorotris(triphenylphosphine)rhodium;Chlorotris(triphenylphosphine)rhodium(I);Tris(triphenylphosphine)chlororhodium(I);Tris(triphenylphosphine)rhodium(I) chloride;Tris(triphenylphosphine)rhodium monochloride;Rhodium tris(triphenylphosphine) chloride;Wilkinson's catalyst;Tris(triphenylphosphine)rhodium chloride;Wilkinson's complex;NSC 124140;27813-17-8;35933-45-0;63478-44-4
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CAS No:
(SP-4-2)-Chlorotris(triphenylphosphine)rhodium Basic Attributes
925.21
924.147766
238-744-5
0FV534BKEV
28439090
Characteristics
0
11.02390
Red-brown to maroon Crystalline Powder
1.363 g/cm3
223 °C
>170°C
181.7ºC
H2O: insoluble ;soluble in most solvents (e.g. benzene, ethanol, chloroform, dichloromethane) but with phosphine dissociation. Reacts with O{2} in solution
2-8°C
Safety Information
I; II; III
1759
1
34-36/38
22-24/25-37/39-28A-26-15-45-36/37/39
C,Xi
Stable at room temperature in closed containers under normal storage and handling conditions.
P261, P264, P270, P272, P273, P280, P301+P312, P302+P352, P321, P330, P333+P313, P363, P501
H302
|Warning|H302 (69.05%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P272, P273, P280, P301+P312, P302+P352, P321, P330, P333+P313, P363, and P501|Aggregated GHS information provided by 126 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
(SP-4-2)-Chlorotris(triphenylphosphine)rhodium Use and Manufacturing
(Preparation of Raw Material Reagent)Commercially available rhodium chloride · trihydrate was dissolved in ethanol solution to prepare a RhCl 3 / EtOH solution (1.0 N). Further, commercially available ethanol solution of triphenylphosphine (3.0 N) was prepared.(Continuous reaction)First, the entire system inside the apparatus was vacuum dried, and then the reaction was carried out under a high purity argon atmosphere. Next, each of the prepared RhCl 3 / EtOH solution and triphenylphosphine solution was filled in a pressure vessel, and the mixture was sent to a static stirrer using two triple plunger pumps. The flow rate of the raw material solution was measured with a Coriolis flowmeter, the solution before reaction was cooled with a spiral tube for cooling, then sent to a static stirrer, mixed and subjected to continuous reaction. Temperature control of the raw material was carried out using a temperature sensor equipped on the upstream side of the static stirrer and between the connected static stirrers. The flow rate of both raw material solutions was adjusted to 0.05 L / min to 0.15 L / min. Regarding the raw material temperature, both solutions were controlled from 70 ° C. to 75 ° C., and this continuous reaction was carried out for 10 hours.(Postprocessing)Excess solvent was removed by feeding the resultant reaction solution to a distillation vessel inside the apparatus, followed by atmospheric distillation of an ethanol solution. By separately refining this reaction solution, 15.3 kg of Wilkinson's catalyst (see the following formula) was obtained. The yield was 38percent.5.0 g rhodium trichloride trihydrate RhCl3 · 3H2O (rhodium content of 38.2percent) was completely dissolved in anhydrous ethanol, then, 30.0 g of a triphenylphosphine solution completely dissolved in absolute ethanol was added thereto, under nitrogen conditions, the reaction mixture was heated to 60 ° C and reacted for 1 hour. The crystals were filtered, washed twice with ethanol and dried in vacuo to give 4.69 g of triphenylphosphine rhodium chloride (rhodium content: 39.9percent).
Homogeneous hydrogenation catalyst.
Rhodium, chlorotris(triphenylphosphine)-, (SP-4-2)-: ACTIVE
Computed Properties
Molecular Weight:925.2
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:9
Exact Mass:924.14776
Monoisotopic Mass:924.14776
Heavy Atom Count:59
Formal Charge:-1
Complexity:202
Covalently-Bonded Unit Count:5
Compound Is Canonicalized:Yes
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(SP-4-2)-Chlorotris(triphenylphosphine)rhodium
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