International Chemical Safety Cards

p-CHLOROBENZOIC ACID ICSC: 0503
World Health Organization (WHO) International Labour Organization (ILO) United Nations Environmental Programme (UNEP) European Commission National Institute for Occupational Safety and Health (NIOSH)
4-Chlorobenzoic acid
Chlorodracylic acid
ClC6H4COOH / C7H5ClO2
Molecular mass: 156.6
ICSC #    0503
CAS #     74-11-3
RTECS # DG4976010
October 18, 2005 Validated
TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/
FIRE FIGHTING
FIRE Combustible. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Water spray, powder.
EXPLOSION


EXPOSURE See NOTES.


 •INHALATION
Ventilation.
Fresh air, rest.
 •SKIN
Protective gloves.
Rinse and then wash skin with water and soap.
 •EYES
Safety spectacles .
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
 •INGESTION
Do not eat, drink, or smoke during work.
Rinse mouth. Refer for medical attention.
SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING
Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place.


SEE IMPORTANT INFORMATION ON BACK
ICSC: 0503 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards

p-CHLOROBENZOIC ACID ICSC: 0503
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PHYSICAL STATE; APPEARANCE:
ODOURLESS WHITE SOLID IN VARIOUS FORMS

PHYSICAL DANGERS:


CHEMICAL DANGERS:
On combustion, forms toxic and corrosive fumesincludinghydrogen chloride. The solution in water is a weak acid.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK: IIb (not established but data are available); (DFG 2005).


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by ingestion.

INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:
See Notes.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
See Notes.
PHYSICAL
PROPERTIES
Melting point: 243C
Density: 1.5
g/cm
Solubility in water:
none
Vapour pressure, Pa at 25C: 0.3
Relative vapour density (air = 1): 5.4
Relative density of the vapour/air-mixture at 20C (air = 1): 1
Flash point: 238C
Auto-ignition temperature: 545C
Octanol/water partition coefficient as log Pow: 2.65
ENVIRONMENTAL
DATA

N O T E S
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
ADDITIONAL INFORMATION


ICSC: 0503 p-CHLOROBENZOIC ACID
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.