phenylboronic acid
CAS No.: 98-80-6 Formula: C6H7BO2 Molecular Weight: 121.93000
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phenylboronic acid

CAS No.: 98-80-6 Formula: C6H7BO2 Molecular Weight: 121.93000
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Description

Phenylboronic acid or benzeneboronic acid, abbreviated as PhB(OH)2 where Ph is the phenyl group C6H5-, is a boronic acid containing a phenyl substituent and two hydroxyl groups attached to boron. Phenylboronic acid is white powder and is commonly used in organic synthesis. Boronic acids are mild Lewis acids which are generally stable and easy to handle, making them important to organic synthesis.

Basic Info

Numbering system

EINECS number 202-701-9
MDL number MFCD00002103

Properties

Appearance & Physical State White to off-white solid.
Density 1.13g/cm3
Boiling Point 265.9ºC at 760mmHg
Melting Point 217-220ºC
Flash Point 114.6ºC
Refractive Index 1.534
Water Solubility 10 g/L (20 ºC)
Storage Condition 0-6ºC

Safety Info

RTECS CY8575000
Safety Statements S26-S36/37/39
HS Code 2942000000
WGK Germany 3
Risk Statements R22; R36/37/38
Hazard Codes Xn
Symbol GHS07
Hazard Declaration H302
Signal Word Warning
1H NMR : in DMSO-d6Expand

NMR Spectrum 1H NMR : in DMSO-d6

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C6H7BO2 0.008 g : 0.5 ml DMSO-d6
phenylboric acid

Assign. Shift(ppm)
A 7.994
B 7.787
C 7.390
D 7.330

Assigned with HMQC and HMBC.

IR : KBr discExpand
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