HFPB - Amerigo Scientific

- Overview
  - Highly lipophilic tetraphenylborate (HFPB) is a very stable anion in a wide pH range. It is used as a cation phase transfer reagent. Vitamin B12 electrode in which HFPB was used as an ion site detects 10-7 M level of vitamin B12 with linear response.
    
    Please contact us at for specific academic pricing.
- Properties
  - Categories
    
    Ion Analysis
    
    Alternative Name
    
    Tetrakis[3,5-bis(1,1,1,3,3,3-hexafluoro-2-methoxy-2-propyl)phenyl]borate, sodium salt, trihydrate
    
    CAS Number
    
    120945-63-3
    
    Molecular Formula
    
    C56H36BF48NaO8, 3H2O
    
    Molecular Weight
    
    1836.65
    
    Appearance
    
    White crystalline powder
    
    Purity
    
    ≥95.0% (Titration)
    
    Storage
    
    ambient temperature
    
    Shipping
    
    ambient temperature
    
    * For research use only
- Applications
  - Application
    
    Anion excluder
- Reference
  - 1) N. Ishibashi, et al., Vitamin B1-Sensitive Poly(vinyl chloride) Membrane Electrode Based on Hydrophobic Tetraphenylborate Cation Exchangers. Anal Sci. 1988;4:527-528.
    
    2) G. H. Zhang, et al., Vitamin B1 sensitive poly(vinyl chloride) membrane electrode based on hydrophobic tetraphenylborate derivatives and their application. Anal Chem. 1990;62:1644-1648.
    
    3) T. Katsu, et al., A New Bretylium-Selective Electrode for Monitoring the Drug in Blood Serum. Anal Lett. 1996;29:1281-1292.
    
    4) T. Katsu, et al., Potentiometric determination of alkaline phosphatase in blood serum using a hordenine-sensitive membrane electrode. Electroanalysis. 1996;8:1101-1104.

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