Product Name

  • Name

    4-Chloro-3-pyridinesulfonamide

  • EINECS 251-434-4
  • CAS No. 33263-43-3
  • Article Data7
  • CAS DataBase
  • Density 1.558 g/cm3
  • Solubility Soluble in water
  • Melting Point 150-155 °C
  • Formula C5H5ClN2O2S
  • Boiling Point 380.4 °C at 760 mmHg
  • Molecular Weight 192.626
  • Flash Point 183.9 °C
  • Transport Information UN 2811
  • Appearance off-white to light beige powder
  • Safety 36/37
  • Risk Codes 36/37/38-22
  • Molecular Structure Molecular Structure of 33263-43-3 (4-Chloro-3-pyridinesulfonamide)
  • Hazard Symbols HarmfulXn
  • Synonyms 4-Chloro-3-pyridylsulfonamide;
  • PSA 81.43000
  • LogP 2.16350

4-Chloro-3-pyridinesulfonamide Chemical Properties

IUPAC Name: 4-chloropyridine-3-sulfonamide 
Empirical Formula: C5H5ClN2O2S
Molecular Weight: 192.6234g/mol
EINECS: 251-434-4 
Structure of 3-Pyridinesulfonamide,4-chloro- (CAS NO.33263-43-3):

Index of Refraction: 1.592
Molar Refractivity: 41.81 cm3
Molar Volume: 123.5 cm3
Polarizability: 16.57×10-24cm3
Surface Tension: 61.2 dyne/cm
Density: 1.558 g/cm3
Flash Point: 183.9 °C
Enthalpy of Vaporization: 62.86 kJ/mol 
Melting Point: 150-155 °C
Boiling Point: 380.4 °C at 760 mmHg
Vapour Pressure: 5.46E-06 mmHg at 25°C 
Chemical Properties: off-white to light beige powder
Product Categories: SULFONAMIDE;Pyridines 
Canonical SMILES: C1=CN=CC(=C1Cl)S(=O)(=O)N
InChI: InChI=1S/C5H5ClN2O2S/c6-4-1-2-8-3-5(4)11(7,9)10/h1-3H,(H2,7,9,10)
InChIKey: DGIINIBYHCODIH-UHFFFAOYSA-N

4-Chloro-3-pyridinesulfonamide Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 36/37/38-22
R36/37/38:Irritating to eyes, respiratory system and skin. 
S22:Do not breathe dust.
Safety Statements: 36/37
S36/37:Wear suitable protective clothing and gloves.
RIDADR: 2811
PackingGroup: III

4-Chloro-3-pyridinesulfonamide Specification

  3-Pyridinesulfonamide,4-chloro- , its cas register number is 33263-43-3. It also can be called 4-Chloro-3-pyridinesulphonamide ; 4-Chloropyridine-3-sulfonamide . 3-Pyridinesulfonamide,4-chloro- (CAS NO.33263-43-3) is irritating to eyes, respiratory system and skin. So you should wear suitable protective clothing and gloves.

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