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Basic Information
CAS No.: 5437-33-2
Name: 3,5-DICHLORO-2-PYRIDONE
Molecular Structure:
Molecular Structure of 5437-33-2 (3,5-DICHLORO-2-PYRIDONE)
Formula: C5H3 Cl2 N O
Molecular Weight: 163.991
Synonyms: 2(1H)-Pyridone,3,5-dichloro- (6CI,7CI,8CI); 3,5-Dichloro-2-pyridinol;3,5-Dichloro-2-pyridinone; 3,5-Dichloro-2-pyridone; NSC 16021
EINECS: 226-609-3
Density: 1.52g/cm3
Melting Point: 180-182 °C(lit.)
Boiling Point: 275.9°Cat760mmHg
Flash Point: 120.7°C
Appearance: white to light beige crystalline powder
Hazard Symbols:
Risk Codes: R36/37/38   
Safety: A poison by intravenous route. When heated to decomposition it emits toxic vapors of NOx and Cl−.
PSA: 32.86000
LogP: 1.68170
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Chemistry

Molecular Formula: C5H3Cl2NO
Molecular Weight: 163.99
EINECS: 226-609-3
Density: 1.52 g/cm3     
Flash Point: 120.7 °C
Melting point: 180-182 ºC   
Index of Refraction: 1.585 
CAS Registry Number: 5437-33-2   
Enthalpy of Vaporization: 51.44 kJ/mol 
Boiling Point: 275.9 °C at 760 mmHg 
Vapour Pressure: 0.00494 mmHg at 25°C 
IUPAC Name: 3,5-dichloro-1H-pyridin-2-one
Appearance of 3,5-Dichloro-2-pyridinone (CAS NO.5437-33-2): white to light beige crystalline powder
Synonyms: 2(1H)-Pyridinone, 3,5-dichloro- ; 2-Pyridinol, 3,5-dichloro- ; 3,5-dichloro-2(1h)-pyridinon ; 3,5-Dichloro-2(1H)-pyridinone
Following is the molecular structure of 3,5-Dichloro-2-pyridinone (CAS NO.5437-33-2):

 

Toxicity Data With Reference

1.    

ivn-mus LD50:100 mg/kg

     CSLNX*    U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#05400 .

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

A poison by intravenous route. When heated to decomposition it emits toxic vapors of NOx and Cl−.
Safety Information of 3,5-Dichloro-2-pyridinone (CAS NO.5437-33-2):
Hazard Codes: XiIrritant,T+Very
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.
WGK Germany: 3
RTECS: UV1146300