| | Identification | More |  | [Name] 
 (CYANOMETHYL)TRIPHENYLPHOSPHONIUM CHLORIDE
 |  | [CAS] 
 4336-70-3
 |  | [Synonyms] 
 (CYANOMETHYL)TRIPHENYLPHOSPHONIUM CHLORIDE
 (cyanomethyl)triphenyl-phosphoniuchloride
 Cyanomethyl triphenylphosphonium chloride, 98+%
 Triphenyl(cyanomethyl)phosphonium·chloride
 |  | [EINECS(EC#)] 
 224-383-0
 |  | [Molecular Formula] 
 C20H17ClNP
 |  | [MDL Number] 
 MFCD00031672
 |  | [Molecular Weight] 
 337.78
 |  | [MOL File] 
 4336-70-3.mol
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 off-white crystalline powder
 |  | [Melting point ] 
 268-270 °C
 |  | [storage temp. ] 
 Inert atmosphere,Room Temperature
 |  | [form ] 
 solid
 |  | [color ] 
 White to Almost white
 |  | [Water Solubility ] 
 very faint turbidity
 |  | [Sensitive ] 
 Hygroscopic
 |  | [BRN ] 
 6222047
 |  | [InChIKey] 
 ARPLQAMUUDIHIT-UHFFFAOYSA-M
 |  | [CAS DataBase Reference] 
 4336-70-3(CAS DataBase Reference)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xi,Xn
 |  | [Risk Statements ] 
 R36/37/38:Irritating to eyes, respiratory system and skin .
 R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
 |  | [Safety Statements ] 
 S37/39:Wear suitable gloves and eye/face protection .
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 |  | [RIDADR ] 
 3276
 |  | [WGK Germany ] 
 3
 |  | [RTECS ] 
 TA2075000
 |  | [HazardClass ] 
 6.1
 |  | [PackingGroup ] 
 III
 |  | [HS Code ] 
 29319090
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 off-white crystalline powder
 |  | [Uses] 
 
 Reactant involved in:
 Condenation reactionsWittig reactionsSynthesis of phosphonium-iodonium ylidesPreparation of α,β-unsaturated esters, amides, and nitriles 
 |  | [reaction suitability] 
 reaction type: C-C Bond Formation
 |  | [Synthesis] 
 
 The general procedure for the synthesis of cyanomethyltriphenylphosphonium chloride from chloroacetonitrile and triphenylphosphine was as follows: chloroacetonitrile (10 g, 0.132 mol) was added slowly and dropwise to a toluene solution (120 mL) of triphenylphosphine (23.5 g, 0.0895 mol), and the mixture was subsequently heated to reflux for 6 hours. After completion of the reaction, the reaction mixture was cooled to room temperature, the solid product was collected by filtration and washed with ether (2 x 20 mL). The final cyanomethyltriphenylphosphonium chloride (15 g, 49.58% yield) was obtained as a white solid. The product was characterized by NMR hydrogen spectroscopy (400 MHz, DMSO): δ 8.02-7.97 (m, 3H), 7.90-7.79 (m, 12H), 5.94 (s, 1H), 5.90 (s, 1H); Liquid Chromatography-Mass Spectrometry (electrospray ionization, m/z): [M + H]+ = 301.7. |  | [References] 
 [1] European Journal of Medicinal Chemistry,  2013,  vol. 68,  p. 132 - 138
 [2] Chemistry - A European Journal,  2013,  vol. 19,  # 7,  p. 2442 - 2449
 [3] Journal of Organic Chemistry,  1980,  vol. 45,  # 26,  p. 5316 - 5319
 [4] International Journal of Chemical Kinetics,  2006,  vol. 38,  # 8,  p. 496 - 502
 [5] Patent: WO2016/105485,  2016,  A2. Location in patent: Paragraph 0158
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