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o-CHLOROBENZALDEHYDE ICSC: 0641
Date of Peer Review: April 1994

2-Chlorobenzaldehyde
CAS # 89-98-5 C7H5ClO / ClC6H4CHO
RTECS # CU5075000 Molecular mass: 140.6
UN # 1760
EC Index # 605-011-00-X
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, foam, powder, carbon dioxide.
EXPLOSION

In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
PREVENT GENERATION OF MISTS!

Inhalation Burning sensation. Cough. Sore throat.
Ventilation.
Fresh air, rest. Refer for medical attention.
Skin MAY BE ABSORBED! Redness. Burning sensation. Pain.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention.
Eyes Redness. Pain.
Safety goggles, or face shield.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Abdominal cramps. Burning sensation.
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in dry sand or inert absorbent and remove to safe place.
Unbreakable packaging; put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs.
EU Classification
Symbol: C
R: 34
S: (1/2-)-26-45
UN Classification
UN Hazard Class: 8

EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-80GC9-II+III
Separated from food and feedstuffs. Dry. Well closed.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
o-CHLOROBENZALDEHYDE ICSC: 0641
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS TO YELLOW LIQUID, WITH PUNGENT ODOUR.

CHEMICAL DANGERS:
The substance decomposes on heating producing toxic and corrosive fumes including hydrogen chloride (see ICSC0126).

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation, through the skin and by ingestion.

INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is severely irritating to the eyes, the skin and the respiratory tract.

PHYSICAL PROPERTIES
Boiling point: 211.9C
Melting point: 12.4C
Relative density (water = 1): 1.25
Solubility in water: miscible
Vapour pressure, kPa at 25C: 0.04
Flash point: 90C c.c
Auto-ignition temperature: 385C
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms.
NOTES
The apparent melting point caused by loss of crystal water is given. Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005