1-Chloro-4-isothiocyanatobenzene

  • 4-Chlorophenyl isothiocyanate
  • p-Chlorophenyl isothiocyanate
  • Isothiocyanic acid, p-chlorophenyl ester
  • Sch 20350
Formula
C7H4ClNS
Structure

Registry Numbers and Inventories.
CAS
2131-55-7
EC (EINECS/ELINCS)
218-358-3
R 23/24/25 36/37/38
S 26 36/37/39 45
RTECS
NX8473000
RTECS class
Drug
UN (DOT)
2811
Beilstein/Gmelin
471610

Properties.
Formula
C7H4ClNS
Formula mass
169.63
Melting point, °C
46
Boiling point, °C
135 - 142 (22 torr)
Solubility in water
Insoluble
Refractive index
 

Hazards and Protection.
Storage
Store in a cool, dry place. Keep container closed when not in use.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Small spills/leaks
Clean up spills immediately, while using/wearing the proper protective equipment. Sweep up, then place into a suitable container for disposal.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Irritating and toxic fumes and gases.

Fire.
Flash Point,°C
>110
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Use agent most appropriate to extinguish fire.

Health.
Exposure effects
Toxic by inhalation, in contact with skin and if swallowed.
   Eyes
Lachrymator.

First aid
 
   Ingestion
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids.

Transport.
UN number
2811
Response guide
Hazard class
6.1
Packing Group
I; II; III