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CAS RN: 18284-36-1 | Product Number: H1317

Hydridotetrakis(triphenylphosphine)rhodium(I)


Purity:
Synonyms:
  • Tetrakis(triphenylphosphine)rhodium(I) Hydride
Documents:
200MG
€56.00
2   ≥20 

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Product Number H1317
Molecular Formula / Molecular Weight C__7__2H__6__1P__4Rh = 1153.08  
Physical State (20 deg.C) Solid
CAS RN 18284-36-1
PubChem Substance ID 135727037
MDL Number

MFCD00015867

Specifications
Appearance Light yellow to Brown powder to crystal
Rhodium 8.40 to 9.40 %
Properties (reference)
Melting Point 146 °C
GHS
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws: / Compliance with laws, Regulations
Transport Information:
HS Number 2843909000
Application
Regiospecific Hydrosilation of alpha,beta-Unsaturated Carbonyl Compounds

Typical Procedure: (1,2-Reduction) (Ph3P)4RhH (ca. 5 mg) is placed in a 10 mL flask furnished with a magnetic stirring bar and sealed with a rubber septum under argon. Dried CH2Cl2 (1 mL) is added via a syringe followed by the alpha,beta-unsaturated ketone (1 mmol). After 10 min, diphenylsilane (1.3 mmol) is added dropwise. The reaction mixture is stirred at room temperature for 4 h and then transferred to a 25 mL flask with a solution of HCl (2 N, 3 mL)―acetone (3 mL). The mixture is stirred at room temperature for 2 h. Acetone is removed via rotary evaporation. The aqueous residue is then extracted with dichloromethane (4 × 3 mL). The combined organic layers are dried over Na2SO4. Removed of solvent gives the crude product, which is purified by flash column chromatography separation or Kugelrohr distillation. (1,4-Reduction) In a 5 mL flask furnished with a magnetic stirring bar and sealed with a rubber septum, (Ph3P)4RhH (ca. 5 mg) is placed under argon. The alpha,beta-unsaturated ketone (1 mmol) is introduced to the flask via a syringe followed by the dimethylphenylsilane (1.1 mmol). The reaction mixture is stirred at room temperature for 12 h, and then hexane (1 mL) are added. The mixture is filtered and the solvent is removed to get the crude product, which is purified by Kugelrohr distillation.

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