Sodium tetraphenylborate

• Catalog No.: A10909
• CAS Number: 143-66-8
• M. F.: C24H20BNa
• M. W.: 342.21637
• Purity: 99%

SYNONYMS

• Title: 四苯基硼酸钠
• IUPAC name: sodium tetraphenylboranuide
• IUPAC Traditional name: sodium tetraphenylborate
• Synonyms: Tetraphenylboron sodium

DATABASE IDS

• MDL Number: MFCD00011494
• EC Number: 205-605-5
• Merck Index: 148690
• CAS Number: 143-66-8
• Beilstein Number: 3599783

PROPERTIES

• Purity: 99%
• Melting Point: >300°C
• GHS Hazard statements: H301-H315-H319-H335
• European Hazard Symbols: X
• GHS Precautionary statements: P261-P301+P310-P305+P351+P338-P302+P352-P405-P501A
• Risk Statements: 22-36/37/38
• RTECS: ED3362500
• Safety Statements: 26-36/37-60
• Storage Warning: Light Sensitive
• TSCA Listed: 是
• Hazard Class: 6.1
• UN Number: UN2811
• Packing Group: III

REFERENCES

• Reagent for potassium by precipitation: Anal. Chem., 29, 1044 (1957).
• Has been used to protect amino acids by formation of a diphenylborinate chelate, stable to AcOH or TFA, but cleaved by base: Tetrahedron, 39, 2995 (1983); Liebigs Ann. Chem., 127 (1989):
  
• The cross coupling of tetraphenylborates or aryl boronic acids with aryl halides is catalyzed by Pd(OAc)₂ in aqueous solutions: Dokl. Chem. (Engl. Transl.),315, 354 (1990); see also: Gazz. Chem. Ital., 120, 779 (1990). Cross couples with vinyl and aryl triflates under Pd catalysis: Tetrahedron Lett., 35, 4835 (1992); 33, 4815 (1992). Similarly, allyl acetates are phenylated: Tetrahedron Lett., 31, 7453 (1990).