1,3-Dichloro-2-isocyanatobenzene

  • Benzene, 1,3-dichloro-2-isocyanato-
Formula
C7H3Cl2NO
Structure
Description
White solid.

Registry Numbers and Inventories.
CAS
39920-37-1
EC (EINECS/ELINCS)
254-699-4
R 23/25 36/37/38 42
S 22 26 36/37/39 45
UN (DOT)
2250
Beilstein/Gmelin
608323

Properties.
Formula
C7H3Cl2NO
Formula mass
188.01
Melting point, °C
42-44
Boiling point, °C
101 (5 torr)

Hazards and Protection.
Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.
Handling
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
No data.
Incompatibilities
Strong oxidizing agents, strong bases, alcohols, acids, amines.
Decomposition
Hydrogen chloride, carbon monoxide, oxides of nitrogen, carbon dioxide.

Fire.
Flash Point,°C
76
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use carbon dioxide or dry chemical.

Health.
Exposure effects
   Ingestion
Poison by ingestion.
   Inhalation
Causes respiratory tract irritation. Toxic if inhaled.
   Skin
Causes skin irritation. Toxic in contact with skin.
   Eyes
Causes eye irritation. Lachrymator.

First aid
 
   Ingestion
Get medical aid immediately. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid immediately. Immediately 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 eyelids. Get medical aid immediately.

Transport.
UN number
2250
Response guide
Hazard class
6.1
Packing Group
II