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358835 Sigma-Aldrich

Diphenylborinic anhydride

95%

Synonym: Oxybis(diphenylborane), Tetraphenyldiboroxane

  • CAS Number 4426-21-5

  • Linear Formula (C6H5)2BOB(C6H5)2

  • Molecular Weight 346.04

  •  Beilstein/REAXYS Number 2950331

  •  MDL number MFCD00042663

  •  PubChem Substance ID 57649443

  •  NACRES NA.32

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Properties

Related Categories Biochemicals and Reagents, Boronic Acids and Derivatives, Chemical Synthesis, Derivatization agents, Luminescent Compounds/Detection,
Quality Level   200
assay   95%
mp   135-140 °C (lit.)
fluorescence   λex 366 nm; λem 475 nm (after derivatization)
SMILES string   O(B(c1ccccc1)c2ccccc2)B(c3ccccc3)c4ccccc4
InChI   1S/C24H20B2O/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22)27-26(23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H
InChI key   SNQFEECGHGUHBK-UHFFFAOYSA-N

Description

Application

Diphenylborinic anhydride (DPBA) may be used for the separation and determination of α-amino acids by boroxazolidone formation. DPBA, an analogue of the vascular gap junction channel blocker, 2-aminoethoxydiphenyl borate (2-APB), may be use in gap junctions channel studies.

Packaging

1 g in glass bottle

250 mg in glass bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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