Molecule structure of 5-Pyrimidinylboronic acid (CAS NO.109299-78-7):

IUPAC Name: Pyrimidin-5-ylboronic acid 
Molecular Weight: 123.9057 g/mol
Molecular Formula: C₄H₅BN₂O₂ 
Density: 1.33 g/cm³ 
Melting Point: 110-114 °C
Boiling Point: 334.7 °C at 760 mmHg
Flash Point: 156.2 °C
Index of Refraction: 1.534
Molar Refractivity: 28.88 cm³
Molar Volume: 92.8 cm³
Surface Tension: 64.2 dyne/cm 
Enthalpy of Vaporization: 60.98 kJ/mol 
Vapour Pressure: 4.95E-05 mmHg at 25 °C
H-Bond Donor: 2
H-Bond Acceptor: 4
Rotatable Bond Count: 1
Exact Mass: 124.044408
MonoIsotopic Mass: 124.044408
Topological Polar Surface Area: 66.2
Heavy Atom Count: 9
Canonical SMILES: B(C1=CN=CN=C1)(O)O
InChI: InChI=1S/C4H5BN2O2/c8-5(9)4-1-6-3-7-2-4/h1-3,8-9H
InChIKey: HZFPPBMKGYINDF-UHFFFAOYSA-N
Product Categories: PYRIMIDINE;blocks;BoronicAcids;Heterocycles;Substituted Boronic Acids;Boronic Acids & Esters;Pyrazines, Pyrimidines & Pyridazines;Boronic acid;Organoborons;B (Classes of Boron Compounds);Boronic Acids;Boronic Acids & Esters;Pyrazines, Pyrimidines & Pyridazines;Pyridines

Hazard Codes: Xi, Xn
Risk Statements: 22-36/37/38 
R22:Harmful if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-26-36/37/39-36 
S22:Do not breathe dust. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S36:Wear suitable protective clothing.
Hazard Note: Irritant
HazardClass: IRRITANT

 5-Pyrimidinylboronic acid (CAS NO.109299-78-7) is also named as Acide pyrimidin-5-ylboronique ; boronic acid, B-5-pyrimidinyl- ; Pyrimidin-5-ylboronic acid ; Pyrimidine-5-boronic acid . 5-Pyrimidinylboronic acid (CAS NO.109299-78-7) is off-white powder.