ICSC 0009 - ACETALDEHYDE

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

ACETALDEHYDE

ICSC: 0009
_{November 2003}

Acetic aldehyde
Ethanal
Ethyl aldehyde

CAS No: 75-07-0
RTECS No: AB1925000
UN No: 1089
EC No: 605-003-00-6

C₂H₄O / CH₃CHO
Molecular mass: 44.1

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Extremely flammable.	NO open flames, NO sparks, and NO smoking. NO contact with hot surfaces.	Powder, alcohol-resistant foam, water in large amounts, carbon dioxide.
EXPLOSION	Vapour/air mixtures are explosive.	Closed system, ventilation, explosion-proof electrical equipment and lighting. Do NOT use compressed air for filling, discharging, or handling. Use non-sparking handtools.	In case of fire: keep drums, etc., cool by spraying with water.

EXPOSURE		AVOID ALL CONTACT!
Inhalation	Cough.	Ventilation. Local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness. Pain.	Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention.
Eyes	Redness. Pain.	Safety goggles, 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	Diarrhoea. Dizziness. Nausea. Vomiting.	Do not eat, drink, or smoke during work.	Rinse mouth. Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Evacuate danger area! Remove all ignition sources. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT absorb in saw-dust or other combustible absorbents. Remove vapour with fine water spray. Do NOT let this chemical enter the environment. Personal protection: filter respirator for organic gases and vapours.	F+ Symbol Xn Symbol R: 12-36/37-40 S: (2-)16-33-36/37 UN Hazard Class: 3 UN Pack Group: I	Unbreakable packaging; put breakable packaging into closed unbreakable container.

EMERGENCY RESPONSE	SAFE STORAGE
Transport Emergency Card: TEC (R)-30S1089 NFPA Code: H 2; F 4; R 2	Fireproof. Separated from incompatible materials. See Chemical Dangers. Cooled. Keep in the dark. Store only if stabilized.

IMPORTANT DATA

Physical State; Appearance
GAS OR 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 in contact with air. The substance may polymerize under the influence of acid(s) and alkaline hydroxides in the presence of trace metals (iron) with fire or explosion hazard. The substance is a strong reducing agent and reacts violently with oxidants, strong acids halogens and amines causing fire and explosion hazard.

Occupational exposure limits
TLV: 25 ppm (Ceiling value); A3; (ACGIH 2003).
MAK: 50 ppm, 91 mg/m³; Peak limitation category: I(1); Carcinogen category: 3B; Pregnancy risk group: D; (DFG 2003).

Routes of exposure
The substance can be absorbed into the body by inhalation and by ingestion.

Inhalation risk
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C.

Effects of short-term exposure
The substance is mildly irritating to the eyes, the skin and the respiratory tract. The substance may cause effects on the central nervous system.

Effects of long-term or repeated exposure
Repeated or prolonged contact with skin may cause dermatitis. The substance may have effects on the respiratory tract, resulting in tissue lesions. This substance is possibly carcinogenic to humans.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 20.2°C Melting point: -123°C Relative density (water = 1): 0.78 Solubility in water: miscible Vapour pressure, kPa at 20°C: 101 Relative vapour density (air = 1): 1.5 Flash point: -38°C c.c. Auto-ignition temperature: 185°C Explosive limits, vol% in air: 4-60 Octanol/water partition coefficient as log Pow: 0.63	The substance is harmful to aquatic organisms.

NOTES

Depending on the degree of exposure, periodic medical examination is suggested.
The occupational exposure limit value should not be exceeded during any part of the working exposure.
An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert.
Rinse contaminated clothes (fire hazard) with plenty of water.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

LEGAL NOTICE

Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.

Updated by {ModOper}. Approved by {ModAppr}. Last update: {ModDate}