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CAS RN: 19999-87-2 | Product Number: B3534

Bis(tricyclohexylphosphine)nickel(II) Dichloride


Purity: >95.0%(T)
Synonyms:
  • Dichlorobis(tricyclohexylphosphine)nickel(II)
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Product Number B3534
Purity / Analysis Method >95.0%(T)
Molecular Formula / Molecular Weight C__3__6H__6__6Cl__2NiP__2 = 690.46  
Physical State (20 deg.C) Solid
CAS RN 19999-87-2
Reaxys Registry Number 4935620
PubChem Substance ID 125307309
MDL Number

MFCD11973802

Specifications
Appearance Yellow to Amber to Dark red powder to crystal
Purity(Chelometric Titration) min. 95.0 %
Properties (reference)
Melting Point 227 °C
GHS
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H302 : Harmful if swallowed.
H372 : Causes damage to organs through prolonged or repeated exposure.
H317 : May cause an allergic skin reaction.
H334 : May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H350 : May cause cancer.
Precautionary Statements P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P201 : Obtain special instructions before use.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
P304 + P340 : IF INHALED: Remove person to fresh air and keep comfortable for breathing.
Related Laws: / Compliance with laws, Regulations
Transport Information:
HS Number 2931399090
Application
Nickel-Catalyzed Cross-Coupling of Aryltrimethylammonium Iodides with Organozinc Reagents

Typical procedure (Ar = Ph, R = 4-CH3Ph): Trimethylphenylammonium iodide (132 mg), bis(tricyclohexylphosphine)nickel(II) dichloride (6.9 mg) and NMP (1.5 mL) are added to a Schlenk tube. To the stirring mixture, 4-CH3C6H4ZnCl solution (1.5 mL, 1.5M solution in THF) is added by a syringe. The reaction mixture is stirred at 90 °C for 8 h and then cooled to room temperature. Water (10 mL) and several drops of acetic acid are successively added. The resulting mixture is extracted with diethyl ether (3 x 10 mL) and the extract is dried over Na2SO4, filtered and concentrated. The residue is purified by column chromatography on silica gel (eluent: petroleum ether or petroleum ether/ethyl acetate 60:1) to give 4-methylbiphenyl (76.5 mg, 91 %).

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