m-Chlorobenzoyl chloride

  • Benzoyl chloride, 3-chloro
  • Benzoyl chloride, m-chloro
Formula
C7H4Cl2O
Structure
Description
Clear, colorless liquid.

Registry Numbers and Inventories.
CAS
618-46-2
EC (EINECS/ELINCS)
210-552-6
EC Class
corrosive
R 22 34
S 26 36/37/39 45
UN (DOT)
3265
Beilstein/Gmelin
106273
Beilstein Reference
4-27-00-02532
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C7H4Cl2O
Formula mass
175.01
Melting point, °C
44
Boiling point, °C
223
Vapor pressure, mmHg
0.09 (25 C)
Critical temperature
462
Critical pressure
39.3
Density
1.367 g/cm3
Solubility in water
Insoluble
Refractive index
1.5677 (20 C)
Partition coefficient, pKow
3.01
Heat of vaporization
46.2

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Corrosives area.
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
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
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
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stability
No data.
Incompatibilities
Strong bases - alcohols - oxidizing agents - moist air or water.
Decomposition
Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
88
Upper exp. limit, %
7.3
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Wear appropriate protective clothing to prevent contact with skin and eyes. Wear a self-contained breathing apparatus (SCBA) to prevent contact with thermal decomposition products. Extinguishing media: Use foam, dry chemical, or carbon dioxide. DO NOT USE WATER!
Fire potential
Combustible material: may burn but does not ignite readily.
Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Ingestion
Causes gastrointestinal tract burns.
   Inhalation
Causes chemical burns to the respiratory tract.
   Skin
Causes skin burns.
   Eyes
Causes eye burns.

First aid
 
   Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   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
3265
Response guide
Hazard class
8
Packing Group
I; II; III
 
HS Code
2916 39 00