2,6-Dichlorophenol

  • Phenol, 2,6-dichloro-
Formula
C6H4Cl2O
Structure
Description
White crystalline solid with a strong odor.
Uses
Chemical intermediate for 2,4,6-trichlorophenol.

Registry Numbers and Inventories.
CAS
87-65-0
EC (EINECS/ELINCS)
201-761-3
R 21 36/37/38
S 24 26 36/37/39
RTECS
SK8750000
RTECS class
Primary Irritant
UN (DOT)
2020
Merck
13,3099
Beilstein/Gmelin
1447806
Beilstein Reference
4-06-00-00949
RCRA
U082
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C6H4Cl2O
Formula mass
163
Melting point, °C
68
Boiling point, °C
219
Vapor pressure, mmHg
0.083 (25 C)
Odor Threshold Odor threshold 0.003 mg/kg
Density
1.653 g/cm3 (20C)
Solubility in water
Insoluble
pKa/pKb
7.02 (pKa)
Partition coefficient, pKow
2.75
Heat of vaporization
47.4 kJ/mol
Heat of combustion
-2758 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Store protected from light.
Handling
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
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
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Acid chlorides - acid anhydrides - oxidizing agents.
Decomposition
Hydrogen chloride, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
95
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular foam.
Fire potential
This material is probably combustible.
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
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
May cause respiratory tract irritation.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
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
2020
Response guide
Hazard class
6.1
Packing Group
III
 
USCG CHRIS Code
DCQ