Diphenylborinic anhydride

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Names

[ CAS No. ]:
4426-21-5

[ Name ]:
Diphenylborinic anhydride

[Synonym ]:
diphenylboronic acid anhydride
MFCD00042663
Oxybis(diphenylborane) Tetraphenyldiboroxane
diphenylboronic anhydride
1,1,3,3-Tetraphenyldiboroxane
diphenylborinic acid anhydride
diphenylborinic anhydride
Tetraphenyldiboroxane

Chemical & Physical Properties

[ Density]:
1.08g/cm3

[ Boiling Point ]:
463ºC at 760 mmHg

[ Melting Point ]:
135-140ºC(lit.)

[ Molecular Formula ]:
C24H20B2O

[ Molecular Weight ]:
346.03700

[ Flash Point ]:
233.8ºC

[ Exact Mass ]:
346.17000

[ PSA ]:
9.23000

[ LogP ]:
2.61480

[ Index of Refraction ]:
1.601

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Safety Phrases ]:
22-24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3.0

[ HS Code ]:
2934999090

Precursor & DownStream

Precursor

  • Ph2BBr
  • Triphenylbismuth
  • Neopentyl glycol
  • 2-Aminoethyl Diphenylborinate
  • Sodium tetraphenylborate
  • diphenylborinic acid
  • phenylmagnesium bromide
  • AMMONIUM TETRAPHENYLBORATE
  • Bromobenzene

DownStream

  • diphenylborinic acid
  • 2-Aminoethyl Diphenylborinate
  • 1,1-Diphenylethane
  • 2-Benzylphenol
  • Triphenylboroxin
  • 4-Biphenylcarbaldehyde
  • dichlorophenylborane
  • 4-Cyanobiphenyl
  • Phenylboronic acid
  • 4-Acetylbiphenyl

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

2-Aminoethoxydiphenyl borate blocks electrical coupling and inhibits voltage-gated K+ channels in guinea pig arteriole cells.

Am. J. Physiol. Heart Circ. Physiol. 300 , H335-346, (2011)

2-Aminoethoxydiphenyl borate (2-APB) analogs are potentially better vascular gap junction blockers than others widely used, but they remain to be characterized. Using whole cell and intracellular reco...

Separation and determination of alpha-amino acids by boroxazolidone formation.

Anal. Biochem. 178 , 276-286, (1989)

Reaction of an alpha-amino acid (alpha-AA) with 1,1-diphenylborinic acid (DPBA) leads to the formation of a kinetically stable adduct at pH 2-5 in which both the alpha-amino and the alpha-carboxyl gro...

The effects of 2-aminoethoxydiphenyl borate and diphenylboronic anhydride on gap junctions composed of Connexin43 in TM₄ sertoli cells.

Biol. Pharm. Bull. 34 , 1390-1397, (2011)

2-Aminoethoxydiphenyl borate (2-APB) has recently been demonstrated to inhibit gap junction (GJ) channels, whereas the underlying mechanisms are still unknown. Using mouse TM₄ Sertoli cell which expre...


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