3,4,5-Trichloropyridine (33216-52-3) has some synonyms like 467936_ALDRICH ; ZINC00403158 ; CID3786531 ; RF01224 ; TL8002016 ; T67400 ; I01-2111 ,and so on.

IUPAC Name: 3,4,5-Trichloropyridine
CAS: 33216-52-3
Molecular Formula: C₅H₂Cl₃N
Molecular Weight: 182.44
Molecular structure:
Melting point:  75-77°C
BRN:  120542
H bond acceptors: 1 
H bond donors: 0 
Freely Rotating Bonds: 0 
Index of Refraction: 1.572 
Molar Refractivity: 39.02 cm³ 
Molar Volume: 118.5 cm³ 
Polarizability: 15.47 10^-24cm³ 
Surface Tension: 46.2 dyne/cm 
Density: 1.539 g/cm³ 
Flash Point: 100.2 °C 
Enthalpy of Vaporization: 42.77 kJ/mol 
Boiling Point: 209.6 °C at 760 mmHg 
Vapour Pressure: 0.29 mmHg at 25°C 

 3,4,5-Trichloropyridine (33216-52-3) is commonly used as chemical reagent.

Hazard Codes:  Xi
Risk Statements:  20/21/22-36/37/38 (20/21/22:  Harmful by inhalation, in contact with skin and if swallowed 36/37/38:  Irritating to eyes, respiratory system and skin)
Safety Statements:  26-36/37/39-36 (26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 36/37/39:  Wear suitable protective clothing, gloves and eye/face protection 36:  Wear suitable protective clothing)
Hazard Note:  Irritant

Removal in wastewater treatment of 3,4,5-Trichloropyridine (33216-52-3) can be stated as follows:
Total removal:4.20  percent
Total biodegradation:0.11  percent
Total sludge adsorption:3.88  percent
Total to Air:0.20  percent
(using 10000 hr Bio P,A,S)