3,4-Dimethylphenylboronic acid

The Structure of 3,4-Dimethylphenylboronic acid (CAS NO.55499-43-9):

IUPAC Name: (3,4-Dimethylphenyl)boronic acid
Molecular Formula: C₈H₁₁BO₂ 
Molecular Weight: 149.98 g/mol
Density: 1.07 g/cm³ 
Melting Point: 220 °C
Flash Point: 138.2 °C 
Boiling Point: 304.9 °C at 760 mmHg 
Storage Temp.: 0-6 °C
Index of Refraction: 1.523  
Molar Refractivity: 42.53 cm³
Molar Volume: 139.2 cm³
Surface Tension: 39.1 dyne/cm 
H-Bond Donor: 2
H-Bond Acceptor: 2
Rotatable Bond Count: 1
Exact Mass: 150.08521
MonoIsotopic Mass: 150.08521
Topological Polar Surface Area: 40.5
Heavy Atom Count: 11 
Canonical SMILES: B(C1=CC(=C(C=C1)C)C)(O)O
InChI: InChI=1S/C8H11BO2/c1-6-3-4-8(9(10)11)5-7(6)2/h3-5,10-11H,1-2H3
InChIKey: KDVZJKOYSOFXRV-UHFFFAOYSA-N
Product Categories: blocks; BoronicAcids; Boronic acids; Heterocyclic Compounds; Boronic Acid; Aryl; Organoborons

Hazard Codes: Xn, Xi
Risk Statements 36/37/38-22 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R22:Harmful if swallowed.
Safety Statements 37/39-26-36/37 
S37/39:Wear suitable gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37:Wear suitable protective clothing and gloves.
Hazard Note Irritant
HazardClass IRRITANT

 3,4-Dimethylphenylboronic acid (CAS NO.55499-43-9) is also named as Boronicacid, B-(3,4-dimethylphenyl)- ; Boronicacid, (3,4-dimethylphenyl)- (9CI) ; 3,4-Dimethylbenzeneboronic acid . 3,4-Dimethylphenylboronic acid (CAS NO.55499-43-9) is off-white crystal.