Molecular Structure:

Molecular Formula: C₆H₃Cl₂NO
Molecular Weight: 176.0001
IUPAC Name: 2-Chloropyridine-3-carbonyl chloride
Synonyms of 2-Chloronicotinyl chloride (CAS NO.49609-84-9): 2-Chloro-3-pyridine carboxylic acid chloride ; 2-Chloronicotinyl chloride, 98+% ; 2-Chloronicotinoylchloride,98+%
CAS NO: 645-45-4
Product Categories: ACIDHALIDE ; Pyridine ; Pyridines ; Chloropyridines ; Halopyridines ; C6Heterocyclic Building Blocks ; Halogenated Heterocycles ; Heterocyclic Building Blocks
Melting point: 38 °C 
Index of Refraction: 1.566
Molar Refractivity: 39.48 cm3
Molar Volume: 121 cm3
Surface Tension: 49.5 dyne/cm
Density: 1.454 g/cm3
Flash Point: 108.7 °C
Enthalpy of Vaporization: 49.36 kJ/mol
Boiling Point: 256.1 °C at 760 mmHg
Vapour Pressure: 0.0157 mmHg at 25°C

 2-Chloronicotinyl chloride (CAS NO.49609-84-9) is used as a pharmaceutical intermediate.

Safety Information of 2-Chloronicotinyl chloride (CAS NO.49609-84-9):
Hazard Codes: C
Hazard Note: Corrosive
Risk Statements: 14-29-34
14: Reacts violently with water
29: Contact with water liberates toxic gas
34: Causes burns
Safety Statements: 22-26-30-36/37/39-45-8-27
22: Do not breathe dust
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
30: Never add water to this product
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
8: Keep container dry
27: Take off immediately all contaminated clothing
RIDADR: 3096
HazardClass: 8
PackingGroup: II

First Aid Measures of 2-Chloronicotinyl chloride (CAS NO.49609-84-9):
Ingestion:Seek medical assistance.
Inhalation:Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
Skin:Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
Eyes:Immediately flush with running water for at least 20 minutes.