4-Nitrobenzenesulfenyl chloride

  • Hypochlorothioous acid, 4-nitrophenyl ester
  • 4-Nitrophenylsulfenyl chloride
  • p-Nitrophenylsulfenyl chloride
  • p-Nitrobenzenesulfenyl chloride
Formula
C6H4ClNO2S
Structure

Registry Numbers and Inventories.
CAS
937-32-6
26 27 28 36/37/39 45
UN (DOT)
3261
Beilstein Reference
4-06-00-01717

Properties.
Formula
C6H4ClNO2S
Formula mass
189.62
Melting point, °C
48 - 51
Boiling point, °C
378
Vapor pressure, mmHg
1.4E-5 (25 C)
Density
1.48 g/cm3 (20 C)
Solubility in water
36 mg/L (25 C)
Partition coefficient, pKow
3.72
Heat of vaporization
60.17 kJ/mol

Hazards and Protection.
Storage
Store at 2 - 8 C. Keep container tightly closed.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing. Faceshield (8-inch minimum).
Small spills/leaks
Cover with dry lime or soda ash, pick up, keep in a closed container, and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
May decompose on exposure to moist air or water.
Incompatibilities
Strong oxidizing agents, Strong bases.
Decomposition
Carbon monoxide, Carbon dioxide, Sulfur oxides, Hydrogen chloride gas, Nitrogen oxides.

Fire.
Flash Point,°C
113
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Exposure effects
Harmful if swallowed, inhaled or absorbed through the skin. Symptoms of exposure may include burning sensation, coughing,wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. Inhalation may result in spasm, inflammation and edema of the larynxand bronchi, chemical pneumonitis, and pulmonary edema. Material is extremely destructive to tissue of the mucous membranes and upper respiratory tract, eyes, and skin.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.
UN number
3261
Response guide
Hazard class
8
Packing Group
II