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4-Chlorobenzoic acid(74-11-3)

4-Chlorobenzoic acid(74-11-3)
Product IdentificationBack to Contents
【Product Name】

4-Chlorobenzoic acid
【Synonyms】

4-Chlorobenzoic acid
Chlorodracylic acid
【CAS】

74-11-3
【Formula】

C7H5ClO2
【Molecular Weight】

156.57
【EINECS】

200-805-9
【RTECS】

DG4976010
【RTECS Class】

Drug
【Merck】

13,2144
【Beilstein/Gmelin】

907196
【Beilstein Reference】

4-09-00-00973
【EC Class】

harmful
Physical and Chemical PropertiesBack to Contents
【Appearance】

Triclinic crystals or light fluffy white powder.
【Solubility in water】

Very soluble
【Melting Point】

123
【Boiling Point】

287
【Vapor Pressure】

0.0012 (25 C)
【Density】

1.535 g/cm3
【pKa/pKb】

4.03 (pKa)
【Partition Coefficient】

2.65
【Heat Of Vaporization】

55.6 kJ/mol
【Heat Of Combustion】

-3066 kJ/mol
【Usage】

Chemical intermediate for m-chlorophenol.
【Vapor Density】

5.4
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Immediately 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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale.
Hazards IdentificationBack to Contents
【Inhalation】

The toxicological properties of this substance have not been fully investigated. Causes irritation of the mucous membrane and upper respiratory tract.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation.
【Ingestion】

Causes gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
【EC Risk Phrase】

R 22 36/37/38
【EC Safety Phrase】

S 26 36/37/39
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】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】

Seizures have been reported to occur in animals receiving lethal doses.
【Poison Class】

4
Fire Fighting MeasuresBack to Contents
【Flash Point】

127
【Autoignition】

545
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Disposal Code】

4
【Stability】

Stable under normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents, strong bases.
【Decomposition】

Hydrogen chloride, carbon monoxide, carbon dioxide, chloride fumes.
Transport InformationBack to Contents
【HS Code】

2916 39 00
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