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CAS No 98-80-6 , phenylboronic acid

  • Name: phenylboronic acid
  • Synonyms: phenylboronic acid; Phenyldihydroxyborane; Phenylboric acid; 98-80-6; Benzeneboronic acid; Dihydroxyphenylborane;Phenylboronic acid; PHENYL BORONIC ACID; Boronic acid; phenyl-;
  • CAS Registry Number:
  • Melting Point: 217-220 ºC
  • Flash Point: 114.6°C
  • Boiling Point: 265.9°Cat760mmHg
  • Density: 1.13g/cm3
  • Refractive index: 1.534
  • Water Solubility: 10 G/L (20 ºC)
  • Safety Statements: R22;R36/37/38
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 29310095
  • Flash Point: 114.6°C
  • EINECS: 202-701-9
  • Molecular Weight: 121.92958
  • InchiKey: HXITXNWTGFUOAU-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H7BO2/c8-7(9)6-4-2-1-3-5-6/h1-5,8-9H
  • Risk Statements: S26;S36/37/39
  • Molecular Formula: C6H7BO2
  • Molecular Structure:CAS No:98-80-6 phenylboronic acid

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References of phenylboronic acid
Title: Benzeneboronic Acid
CAS Registry Number: 98-80-6
CAS Name: Phenylboronic acid
Synonyms: phenylboric acid; phenylboron dihydroxide
Molecular Formula: C6H7BO2
Molecular Weight: 121.93
Percent Composition: C 59.10%, H 5.79%, B 8.87%, O 26.24%
Literature References: Prepd by the reaction of phenylmagnesium bromide with methyl borate: Washburn et al. in Adv. Chem. Ser. 23, entitled "Metal-Organic Compounds," M. Sittig, Ed. (ACS, Washington DC, 1959) pp 102-128. Crystal and molecular structure: S. J. Rettig, J. Trotter, Can. J. Chem. 55, 3071 (1977).
Properties: Crystals from water. Spontaneous conversion to C6H5BO, benzene boronic anhydride or phenylboroxide on standing in dry air, although the best method is by azeotropic dehydration with toluene. mp 215-216° (anhydride). pKa 13.7. Dipole moment 1.72 (dioxane). Soly in water at 25°: 2.5%, benzene: 1.75%, xylene: 1.2%, ether: 30.2%, methanol: 178%.
Melting point: mp 215-216° (anhydride)
pKa: pKa 13.7