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ACROLEIN ICSC: 0090
Date of Peer Review: March 2001

2-Propenal
Acrylic aldehyde
2-Propen-1-al
CAS # 107-02-8 CH2=CHCHO
RTECS # AS1050000 Molecular mass: 56.06
UN # 1092
EC # 605-008-00-3
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Highly flammable.
NO open flames, NO sparks, and NO smoking. See Chemical Dangers.
Alcohol-resistant foam. Powder. Carbon dioxide.
EXPLOSION Vapour/air mixtures are explosive. Risk of fire and explosion on contact with base(s), acid(s) or strong oxidants.
Closed system, ventilation, explosion-proof electrical equipment and lighting. Use non-sparking handtools.
In case of fire: keep drums, etc., cool by spraying with water. Combat fire from a sheltered position.
EXPOSURE
STRICT HYGIENE!
IN ALL CASES CONSULT A DOCTOR!
Inhalation Burning sensation. Cough. Laboured breathing. Shortness of breath. Sore throat. Nausea. Symptoms may be delayed (see Notes).
Ventilation, local exhaust, or breathing protection.
Fresh air, rest. Half-upright position. Refer for medical attention.
Skin Redness. Pain. Blisters. Skin burns.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
Eyes Redness. Pain. Severe deep burns.
Face shield or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Burning sensation in the throat and chest. Convulsions. Nausea.
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth. Do NOT induce vomiting. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Evacuate danger area! Remove all ignition sources. Consult an expert! Collect leaking liquid in covered containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT let this chemical enter the environment. Chemical protection suit including self-contained breathing apparatus.
Unbreakable packaging; put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. Marine pollutant.
EU Classification
Symbol: F, T+, N
R: 11-24/25-26-34-50
S: 23-26-28-36/37/39-45-61
Note: [D]
UN Classification
UN Hazard Class: 6.1
UN Subsidiary Risks: 3
UN Pack Group: I
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-61S1092
NFPA Code: H 3; F 3; R 3
Fireproof. Separated from strong oxidants, strong bases, strong acids, food and feedstuffs. Cool. Ventilation along the floor. Store only if stabilized.
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 1999

SEE IMPORTANT INFORMATION ON BACK
ACROLEIN ICSC: 0090
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
YELLOW TO COLOURLESS LIQUID, WITH PUNGENT ODOUR.

PHYSICAL DANGERS:
The vapour is heavier than air and may travel along the ground; distant ignition possible.

CHEMICAL DANGERS:
The substance can form explosive peroxides. The substance may polymerize with fire or explosion hazard. Upon heating, toxic fumes are formed. Reacts with strong acids, strong bases and strong oxidants, causing fire and explosion hazard.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 0.1 ppm (Ceiling value); (skin); A4 (not classifiable as a human carcinogen); (ACGIH 2004).
MAK: Carcinogen category: 3B; (DFG 2004).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion.

INHALATION RISK:
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20C.

EFFECTS OF SHORT-TERM EXPOSURE:
Tear drawing. The substance is severely irritating to the eyes the skin and the respiratory tract. Inhalation of this substance at high levels may cause lung oedema (see Notes). The effects may be delayed. Medical observation is indicated.

PHYSICAL PROPERTIES
Boiling point: 53C
Melting point: -88C
Relative density (water = 1): 0.8
Solubility in water, g/100 ml at 20C: 20
Vapour pressure, kPa at 20C: 29
Relative vapour density (air = 1): 1.9
Relative density of the vapour/air-mixture at 20C (air = 1): 1.2
Flash point: -26C c.c.
Auto-ignition temperature: 234C
Explosive limits, vol% in air: 2.8-31
Octanol/water partition coefficient as log Pow: 0.9
ENVIRONMENTAL DATA
The substance is very toxic to aquatic organisms.
NOTES
The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Immediate administration of an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered. An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert. The odour warning when the exposure limit value is exceeded is insufficient. The occupational exposure limit value should not be exceeded during any part of the working exposure. Check for peroxides prior to distillation; render harmless if positive.
Card has been partly updated in October 2004 and April 2005. See section Occupational Exposure Limits, Emergency response.
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 1999
See Also:
        Acrolein (EHC 127, 1991)
        Acrolein (IARC Summary & Evaluation, Volume 63, 1995)