Following is the structure of 4,4'-Dimethyl-2,2'-bipyridyl (CAS NO.1134-35-6):
                  

IUPAC: 4-Methyl-2-(4-methylpyridin-2-yl)pyridine
Molecular formula: C₁₂H₁₂N₂
Molecular Weight: 184.24
EINECS:255-349-3
Index of Refraction: 1.566
Molar Refractivity: 56.67 cm³
Molar Volume: 173.7 cm³
Density: 1.06 g/cm³
Flash Point: 116.8 °C
Surface Tension: 42.7 dyne/cm
Enthalpy of Vaporization: 52.81 kJ/mol
Boiling Point: 309.3 °C at 760 mmHg
Vapour Pressure: 0.00118 mmHg at 25 °C
Appearance of 4,4'-Dimethyl-2,2'-bipyridyl (CAS NO.1134-35-6): Clear Liquid to Pale Yellow Liquid
Product Categories of 4,4'-Dimethyl-2,2'-bipyridyl (CAS NO.1134-35-6): Pyridine
Canonical SMILES: CC1=CC(=NC=C1)C2=NC=CC(=C2)C
InChI: InChI=1S/C12H12N2/c1-9-3-5-13-11(7-9)12-8-10(2)4-6-14-12/h3-8H,1-2H3
InChIKey: NBPGPQJFYXNFKN-UHFFFAOYSA-N

 4,4'-Dimethyl-2,2'-bipyridyl (CAS NO.1134-35-6) is used as a chemical Intermediate.It can be used for the determination of ferrous and cyanide compounds.

Reported in EPA TSCA Inventory.

Poison by intraperitoneal route. When heated to decomposition it emits toxic vapors of NO_x.
Safty informations about 4,4'-Dimethyl-2,2'-bipyridyl (CAS NO.1134-35-6):
Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-22
R36/37/38:Irritating to eyes, respiratory system and skin.
R22:Harmful if swallowed.
Safety Statements: 26-36-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
RTECS: DW1765000

 4,4'-Dimethyl-2,2'-bipyridyl , its cas register number 1134-35-6. It also can be called 2,2'-Bipyridine, 4,4'-dimethyl- ; 2,2'-Bipyridyl, 4,4'-dimethyl- ; 4,4'-Dimethyl-2,2'-bipyridine ; and 4,4'-Dimethyl-2,2'-dipyridyl .