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Sodium Tetraphenylboron Powder, CAS: 143-66-8, Condensation manufacturer / supplier in China, offering Catalyst Condensation Polymerization Chemicals CAS: 143-66-8 Sodium Tetraphenylboron Powder, Myotolon Anti-Aging Steroids Furazabols Thp Miotlo White Powder, Muscle Building Steroids Drostanolone Enanthate Anabolic Steroid Liquid 200mg/Ml and so on.

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Catalyst Condensation Polymerization Chemicals CAS: 143-66-8 Sodium Tetraphenylboron Powder

Purchase Qty.:
10-19 20-29 30+
FOB Unit Price: US $0.1 US $0.2 US $0.3
Purchase Qty. (g) FOB Unit Price
10-19 US $0.1
20-29 US $0.2
30+ US $0.3
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Port: Shanghai, China
Production Capacity: 500kg/Month
Payment Terms: T/T, Western Union, Money Gram, Bitcoin

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Basic Info
  • Model NO.: 143-66-8
  • Customized: Non-Customized
  • Suitable for: Elderly, Adult
  • Purity: >99%
  • Trademark: YJ
  • Specification: 1 kg/foil bag; 25kg/drum
  • HS Code: 3001
  • Powder: Yes
  • Certification: HSE, ISO 9001, USP, BP
  • State: Solid
  • Express: EMS, DHL, TNT, FedEx, UPS
  • Transport Package: Carton
  • Origin: China
Product Description
1.Quick Details:

AppearanceWhite to off-white powder or granule
Assay99% min
Loss on dying at 105ºC0.5% max
Clarity of solutionPass the test
Sodium tetraphenylboron Basic information
Product Name:Sodium tetraphenylboron
Sodium tetraphenylboron Chemical Properties
mp 300 °C
storage temp. 2-8°C
Water Solubility SOLUBLE
Sensitive Light Sensitive
Merck 14,8690
BRN 3599783
Stability:Stable. Incompatible with strong acids, strong oxidizing agents. Light sensitive.

2.Product Description:

Sodium tetraphenylborate is the organic compound with the formula NaB(C6H5)4. It is a salt, wherein the anion consists of four phenyl rings bonded to boron. This white crystalline solid is used to prepare other tetraphenylborate salts, which are often highly soluble in organic solvents. The compound is used in inorganic and organometallic chemistry as aprecipitating agent.

Sodium tetraphenylborate is synthesized by the reaction between sodium tetrafluoroborate and phenylmagnesium bromide:
NaBF4 + 4 ArMgBr → 2 MgBr2 + 2 MgF2 + NaBAr4 (where Ar = aryl)

A related synthesis involves the use of phenylsodium in place of the Grignard reagent.
Unlike smaller counteranions, such as nitrate and the halides, tetraphenylborate confers lipophilicity to its salts. Many analogues tetraarylborates have been synthesized, containing both electron-rich and electron-deficient aryl groups.

The anhydrous salt adopts a polymeric structure in the solid state consisting of Na+-phenyl interactions. As such the salt could be classified as an organosodium compound

               Specification of Sodium tetraphenylboron 
             Name                 Sodium tetraphenylboron
        Appearance                   White Crystal Powder
             Purity                           99.0%min
    Molecular Weight                            342.24
     Loss on drying                         0.5% Max
     Melting Point                          300ºCmin
       Storage Temp                             2-8°C
     Water Solubility                          Soluble
   Molecular Formula                     C24H20BNa
              CAS                       143-66-8
          EINECS                      205-605-5


Preparation of N-acylammonium salts
Addition of sodium tetraphenylborate to a solution of a tertiary amine and an acid chloride in acetonitrile gives the acylonium salt by precipitating NaCl from the reaction mixture. This method has a broad scope:
RC(O)Cl + R'3N + NaB(C6H5)4 → [RC(O)NR'3][B(C6H5)4] + NaCl
Sodium tetraphenylborate is also employed as a phenyl donor in palladium-catalyzed cross-coupling reactions involving vinyl and aryl triflates to give arylalkenes and biaryl compounds in good yields and under mild conditions, respectively.

Use in coordination chemistry
Tetraphenylborates are often studied in organometallic chemistry because of their favorable solubility in nonpolar solvents and their crystallinity. For example, the homoleptic trimethylphosphite complexes {M[P(OCH3)3]5}2+ (Ni, Pd, and Pt) have been prepared as their tetraphenylborate salts. Similarly, sodium tetraphenylborate has been used to isolate complexes containing dinitrogen ligands. In the reaction below, sodium tetraphenylborate allows N2 to displace the chloride ligand, which is removed from solution as a precipitate of sodium chloride:
FeHCl(diphosphine)2 + NaB(C6H5)4 + N2 → [FeH(N2)(diphosphine)2]B(C6H5)4 + NaCl
The use of tetraphenylborate is limited to non-acidic cations. With strong acids, the anion undergoes protonolysis to give triphenylborane and benzene:
H+ + B(C6H5)4− → B(C6H5)3 + C6H6
Related tetraorganoborates
Weakly coordinating anions often are based on tetraarylborates, with electronegative substituents. Examples include B(C6F5)4− and Brookhart's acid containing the tetrakis[3,5-bis(trifluoromethyl)phenyl]borate anion.

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