Carbonylbis(triphenylphosphine)rhodium(I) chloride Chemical Properties

Melting point:

224-227 °C (dec.)(lit.)

storage temp. 

Inert atmosphere,Room Temperature

solubility 

Soluble in acetone, chloroform, ethanol

form 

crystal

color 

yellow

BRN 

4618896

Exposure limits

ACGIH: TWA 0.01 mg/m3; TWA 1 mg/m3
NIOSH: IDLH 2 mg/m3; IDLH 100 mg/m3; TWA 0.001 mg/m3; TWA 0.1 mg/m3

CAS DataBase Reference

13938-94-8(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xn,T

Risk Statements 

20/21/22

Safety Statements 

22-24/25

WGK Germany 

3

HS Code 

28439090

MSDS

• Language:English Provider:Carbonylbis(triphenylphosphine)rhodium(I) chloride
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Carbonylbis(triphenylphosphine)rhodium(I) chloride Usage And Synthesis

Chemical Properties

yellow crystals

Uses

Used for cyclometallation.

Application

Used as catalyst for carbonylation，decarbonylation, carbonyl exchange, reduction, hydrometalation, and C-H activation reactions; reagent for alkylation of acid chlorides.

reaction suitability

core: rhodium
reagent type: catalyst

Synthesis

To a solution of RhCl3.3H2O (2 g, 7.6 mmol) in 70 mL of absolute ethanol is slowly added triphenylphosphine (7.2 g, 2.75 mmol) in 300 mL of boiling absolute ethanol. The solution becomes clear within 5 min, at which point sufficient (10-20 mL) 37% formaldehyde solution is added, causing the red solution to become pale yellow. After several minutes, yellow microcrystals precipitate. Upon cooling, the resulting crystals are washed with ethanol and diethyl ether, dried (4.5 g, 85%) and recrystallized from hot toluene.

storage

The complex is air-stable as a crystalline solid and can be stored without special precautions. In solution it readily reacts with oxygen, which therefore must be excluded during preparation and use of this reagent.

Carbonylbis(triphenylphosphine)rhodium(I) chloride(13938-94-8)Related Product Information

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• Carbonylbis(triphenylphosphine)rhodium(I) chloride