2,3,4-Trichloroaniline

  • 1-Amino-2,3,4-trichlorobenzene
  • 2,3,4-Trichlorobenzenamine
Formula
C6H4Cl3N
Structure
Description
Fine, faintly beige crystals.

Registry Numbers and Inventories.
CAS
634-67-3
EC (EINECS/ELINCS)
211-215-6
23/24/25 33 50/53
28 36/37 45 60 61
UN (DOT)
2811
Beilstein/Gmelin
1818168
Japan ENCS (MITI)
Listed

Properties.
Formula
C6H4Cl3N
Formula mass
196.46
Melting point, °C
73
Boiling point, °C
292
Vapor pressure, mmHg
0.002 (25 C)
Critical temperature
516
Critical pressure
40.45
Density
1.54 g/cm3 (20 C)
Solubility in water
47 mg/L (25 C)
pKa/pKb
13.04 (pKb)
Partition coefficient, pKow
3.37
Heat of vaporization
52.78 kJ/mol

Hazards and Protection.
Storage
Keep container closed. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Acids, Acid chlorides, Acid anhydrides, Chloroformates, Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides, Hydrogen chloride gas.

Fire.
Flash Point,°C
128
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
2
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
Absorption into the body leads to the formation of methemoglobin which in sufficient concentration causes cyanosis. Onset may be delayed 2 to 4 hours or longer.
   Ingestion
Toxic if swallowed.
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract. Toxic if inhaled.
   Skin
May cause skin irritation. Toxic if absorbed through skin.
   Eyes
May cause irritation.

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
2811
Response guide
Hazard class
6.1
Packing Group
II