o-CHLOROBENZALDEHYDE ICSC: 0641 2-Chlorobenzaldehyde C7H5ClO / ClC6H4CHO Molecular mass: 140.6 ICSC #    0641 CAS #     89-98-5 RTECS # CU5075000 UN #        1760 EC #         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 Storage 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. Do NOT let this chemical enter the environment. Separated from food and feedstuffs . Dry. Well closed. Store in an area without drain or sewer access. Unbreakable packaging; put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. C symbol R: 34 S: 1/2-26-45 UN Hazard Class: 8 o-CHLOROBENZALDEHYDE ICSC: 0641 Important Data Physical State; Appearance: COLOURLESS TO YELLOW LIQUID , WITH PUNGENT ODOUR. Physical Dangers: Chemical Dangers: The substance decomposes on heating producing toxic and corrosive fumes including hydrogen chloride (see ICSC0163) 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 20°C. Effects of Short-Term Exposure: The substance is severely irritating to the eyes , the skin and the respiratory tract . Effects of Long-Term or Repeated Exposure: Physical Properties Boiling point: 211.9°C Melting point: 12.4°C Relative density (water = 1): 1.25 Solubility in water: miscible Vapour pressure, kPa at 25°C: 0.04 Flash point: 90°C c.c Auto-ignition temperature: 385°C Environmental Data The substance is toxic to aquatic organisms. It is strongly advised that this substance does not enter the environment. N O T E S 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. Transport Emergency Card: TEC (R)-80GC9-II+III Card has been partially updated in August 2007: see Environmental Data, ADDITIONAL INFORMATION ICSC: 0641 o-CHLOROBENZALDEHYDE (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.