4-Fluorophenyl isothiocyanate

  • p-Fluorophenyl isothiocyanate
  • Benzene, 1-fluoro-4-isothiocyanato-
  • Isothiocyanic acid, p-fluorophenyl ester
Formula
C7H4FNS
Structure
Description
Solid.

Registry Numbers and Inventories.
CAS
1544-68-9
EC (EINECS/ELINCS)
216-280-4
EC Class
harmful
R 23/24/25 36/37/38
S 26 36/37/39 45
RTECS
NX8760000
RTECS class
Other
UN (DOT)
1693
Beilstein/Gmelin
636596
Beilstein Reference
4-12-00-01110
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C7H4FNS
Formula mass
153.18
Melting point, °C
26 - 28
Boiling point, °C
228
Solubility in water
Insoluble
Refractive index
1.6178 (25 C)

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C).
Handling
Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Provide ventilation.
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Incompatibilities
Alcohols, acids, amines, strong bases, strong oxidizing agents, heat.
Decomposition
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen fluoride.

Fire.
Flash Point,°C
89
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Fire potential
May burn but not readily ignited.
Hazards
Containers may explode when heated.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.
Health
1
 
Flammability
1
 
 
Reactivity
0
 

Health.
Exposure effects
Effects may be delayed.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
Causes respiratory tract irritation. Can produce delayed pulmonary edema.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation. May cause chemical conjunctivitis.

First aid
 
   Ingestion
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
1693
Response guide
Hazard class
6.1
Packing Group
II
 
HS Code
2930 90 70