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Phenylboronic Acid (contains varying amounts of Anhydride)
(CAS RN:98-80-6 Product Number:B0857)


Phenylboronic Acid
Synonym Benzeneboronic Acid (contains varying amounts of Anhydride)

General Information

Product Number B0857

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Purity/Analysis Method
Storage Temperature
M.F. / M.W. C6H7BO2=121.93
CAS RN 98-80-6
Related CAS RN
MDL Number MFCD00002103
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(Neutralization titration) 97.0 to 117.0 %


Beilstein 16,920
Reaxys-RN 970972
PubChem SID 87563836
Merck Index(14) 1068
F&F 9,23
RTECS# CY8575000
EC Number 202-701-9


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P280
  • :Wear protective gloves, eye protection.
  • P301+P312+P330
  • :IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell. Rinse mouth.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

HS Number 2931399090


Cyanation of Bronic Acids through Cross-Coupling Reaction

Typical Procedure:
Benzyl thiocyanate, the boronic acid (1.5 eq.), CuTC, and Pd(PPh3)4 (3 mol%) are added into a flask that is then flushed with argon. Dry and degassed 1,4-dioxane is added (2 mL for each 0.1 mmol benzyl thiocyanate). The brown suspension is stirred under argon at 100 ℃ for 12 h. Then Et2O (10 mL) is added and the reaction is washed with sat. NH4Cl followed by sat. Na2CO3 and then brine. After evaporation of the solvent, the residue is purified by preparative plate silica chromatography (hexane : AcOEt = 4 : 1) to give the desired nitrile compound.


PubMed Literature

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