Carbonyltris(triphenylphosphine)rhodium(I) hydride
Synonym(s):Carbonyltris(triphenylphosphine)rhodium(I) hydride;Hydridocarbonyl-tris(triphenylphosphine)-rhodium(I);RhH(CO)(PPh3)3;Rhodium monocarbonyl hydrogen tris(triphenylphosphine);Rhodium(I) tris(triphenylphosphine) carbonyl hydride
- CAS NO.：17185-29-4
- Empirical Formula: 3C18H15P.CO.HRh
- Molecular Weight: 918.8
- MDL number: MFCD00151644
- EINECS: 241-230-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:16:35
What is Carbonyltris(triphenylphosphine)rhodium(I) hydride?
Chemical properties
Carbonylhydrido-tris(triphenylphosphine)rhodium(I), carbonyl-tris(triphenylphosphine)rhodium(I) hydride, forms yellow crystals that are stable in air, mp 172 – 174℃ in a closed nitrogen-filled capillary. It is readily soluble in benzene, chloroform, and dichloromethane. In solution, one phosphine ligand is readily lost by dissociation to give a 16-electron complex that is an active catalyst for the hydrogenation of alkenes and for hydroformylation.
The Uses of Carbonyltris(triphenylphosphine)rhodium(I) hydride
Catalyst.
The Uses of Carbonyltris(triphenylphosphine)rhodium(I) hydride
Hydrogenation, hydrosilation, isomerization, carbonylation, hydroformylation, oxidation
What are the applications of Application
Tris(triphenylphosphine)rhodium(I) carbonyl hydride is a homogeneous catalyst
Production Methods
Carbonyltris(triphenylphosphine)rhodium(I) hydride is obtained by the reaction of a solution of RhCl3.3 H2O in alcoholic alkali with aqueous formaldehyde (the carbon monoxide source) and an excess of triphenyl phosphine. The commercial product is a microcrystalline powder with a purity of 97 % (Degussa).
Properties of Carbonyltris(triphenylphosphine)rhodium(I) hydride
| Melting point: | 150 °C (dec.) (lit.) |
| Density | 1.33 |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| solubility | Soluble in hydrocarbons (e.g. benzene and toluene) with dissociation of phosphine ligands |
| form | crystal |
| color | light yellow |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| Merck | 14,9758 |
| 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 | 17185-29-4(CAS DataBase Reference) |
| NIST Chemistry Reference | carbonyl(hydrido)tris(triphenylphosphine)rhodium(17185-29-4) |
| EPA Substance Registry System | Rhodium, carbonylhydrotris(triphenylphosphine)-, (TB-5-23)- (17185-29-4) |
Safety information for Carbonyltris(triphenylphosphine)rhodium(I) hydride
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H413:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P501:Dispose of contents/container to..… |
Computed Descriptors for Carbonyltris(triphenylphosphine)rhodium(I) hydride
| InChIKey | CEKFIOLKXHVOKA-UHFFFAOYSA-N |
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