Product Name

  • Name

    4-Chlorobenzenesulfonyl isocyanate

  • EINECS
  • CAS No. 5769-15-3
  • Article Data3
  • CAS DataBase
  • Density 1.457
  • Solubility
  • Melting Point
  • Formula C7H4 Cl N O3 S
  • Boiling Point 121 ºC (0.5 mmHg)
  • Molecular Weight 217.633
  • Flash Point 49 ºC
  • Transport Information UN 3265
  • Appearance clear colorless liquid
  • Safety S16;S25;S36/37/39;S45
  • Risk Codes R10;R20/21/22;R34   
  • Molecular Structure Molecular Structure of 5769-15-3 (4-Chlorobenzenesulfonyl isocyanate)
  • Hazard Symbols
  • Synonyms Benzenesulfonicacid, p-chloro-, anhydride with isocyanic acid (7CI,8CI); Benzenesulfonylisocyanate, 4-chloro- (9CI); Isocyanic acid, anhydride withp-chlorobenzenesulfonic acid (8CI); (p-Chlorophenyl)sulfonyl isocyanate;4-Chlorobenzenesulfonyl isocyanate; 4-Chlorophenylsulfonyl isocyanate;p-Chlorobenzenesulfonyl isocyanate
  • PSA 71.95000
  • LogP 2.44530

4-Chlorobenzenesulfonyl isocyanate Chemical Properties

Molecular Structure:

Molecular Formula: C7H4ClNO3S
Molecular Weight: 217.6296
IUPAC Name: 4-Chloro-N-(oxomethylidene)benzenesulfonamide
Synonyms of Methanimidamide,N-[(4-chlorophenyl)sulfonyl]-1-oxo- (CAS NO.5769-15-3): p-Chlorobenzenesulfonyl isocyanate
CAS NO: 5769-15-3
Classification Code: Isocyanates ; Nitrogen Compounds ; Organic Building Blocks 
Index of Refraction: 1.596
Molar Refractivity: 50.51 cm3
Molar Volume: 148.3 cm3
Surface Tension: 55.6 dyne/cm
Density: 1.46 g/cm3
Flash Point: 135.8 °C
Enthalpy of Vaporization: 55.53 kJ/mol
Boiling Point: 335.2 °C at 760 mmHg
Vapour Pressure: 0.000237 mmHg at 25°C

4-Chlorobenzenesulfonyl isocyanate Uses

  Methanimidamide,N-[(4-chlorophenyl)sulfonyl]-1-oxo- (CAS NO.5769-15-3) is used as a synthesis of pharmaceutical or agricultural chemical intermediates.

4-Chlorobenzenesulfonyl isocyanate Safety Profile

Hazard Codes of Methanimidamide,N-[(4-chlorophenyl)sulfonyl]-1-oxo- (CAS NO.5769-15-3): CorrosiveC
Risk Statements: 20/21/22-34-10 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed. 
R34: Causes burns. 
R10: Flammable.
Safety Statements: 26-27-36/37/39-45-25-16 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S27: Take off immediately all contaminated clothing. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S25: Avoid contact with eyes. 
S16: Keep away from sources of ignition.
RIDADR: UN 3265 8/PG 1
WGK Germany: 3
HazardClass: 8
PackingGroup: II

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