Tralopyril

CAS Registry No.  122454-29-9
Molecular Formula  C12H5BrClF3N2
Molecular Weight  349.5 

Appearance     White to off-white powder

Purity (Chromatography)   Minimum 98.0% w/w

Water Content (Karl-Fisher Titration)  Maximum 0.5% w/w

Particle Size Distribution (Laser Diffraction) 

D50: 4.0-10.0 µm; D99: maximum 25.0 µm

Oil Absorption Value (ISO 787-5)         28 ml per 100 g

Density     1.714 g/ml at 20°C

Vapour Pressure    1.9 x 10-8 Pa at 20°C; 4.6 x 10-8 Pa at 25°C

Dissociation Constant   pKa = 7.08 at 26°C

pH      5.16 at 22°C (0.1% w/v dispersion in distilled water)