ChemicalBook >>2,4-Dichlorophenol>>4,6-Dichlorophenol(120-83-2)

4,6-Dichlorophenol(120-83-2)

4,6-Dichlorophenol(120-83-2)
Product IdentificationBack to Contents
【Product Name】

4,6-Dichlorophenol
【Synonyms】

2,4-DCP
【CAS】

120-83-2
【Formula】

C6H4Cl2O
【Molecular Weight】

163
【EINECS】

204-429-6
【RTECS】

SK8575000
【RTECS Class】

Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Reproductive Effector; Primary Irritant
【Merck】

13,3098
【Beilstein/Gmelin】

742467
【Beilstein Reference】

4-06-00-00885
【EC Index Number】

604-011-00-7
【EC Class】

Toxic; Harmful; Corrosive; Dangerous for the Environment
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless crystalline solid with a medicinal odor.
【Solubility in water】

5 g/L
【Melting Point】

40 - 41
【Boiling Point】

210
【Vapor Pressure】

0.14 (25 C)
【Density】

1.40 g/cm3 (20 C)
【pKa/pKb】

8.05 (pKa)
【Partition Coefficient】

3.06
【Heat Of Vaporization】

46.5 kJ/mol
【Heat Of Combustion】

-2754 kJ/mol
【Usage】

In synthesis of antihelminthic bithionol sulfoxide, pesticide.
【Vapor Density】

5.62
【Odor threshold】

0.21 ppm
First Aid MeasuresBack to Contents
【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. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. 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.
Handling and StorageBack to Contents
【Storage】

Store in a cool, dry place. Store in a tightly closed container.
【Handling】

Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Inhalation】

May cause respiratory tract irritation.
【Skin】

May cause skin irritation.
【Eyes】

May cause eye irritation.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
【Hazards】

Fire extinguishing agents: Water or foam may be used even though frothing occurs.
【EC Risk Phrase】

R 21/22 34 51/53
【EC Safety Phrase】

S 26 36/37/39 45 61
【UN (DOT)】

2021
Exposure Controls/Personal ProtectionBack to Contents
【Personal 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.
【Exposure Effects】

Abnormally low blood pressure, reduced body temperature, rapid breathing, and rapid heart rate may develop with severe toxicity. Initial CNS excitation, including seizures, is commonly followed by CNS depression ranging from lethargy to coma and death. Fetotoxicity and skeletal abnormalities have been reported in animal experiments.
【Poison Class】

3
Fire Fighting MeasuresBack to Contents
【Flash Point】

114
【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 spray, dry chemical, carbon dioxide, or appropriate foam.
【Fire Potential】

Slightly flammable. Requires preheating. Fire hazard when in contact with acid or acid fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Incompatibilities】

Oxidizing agents, acid chlorides, acid anhydrides.
【Stability】

Stable under normal temperatures and pressures.
【Decomposition】

Hydrogen chloride, carbon monoxide, carbon dioxide.
【Combustion Products】

Toxic gases can be evolved.
Transport InformationBack to Contents
【UN Number】

2021
【Hazard Class】

6.1
【Packing Group】

III
【HS Code】

2908 10 00
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