ACETALDEHYDE, 99.5+%, A.C.S. REAGENT
Synonym:
  Synonyms * Acetaldehyd (German) * Acetaldehyde (ACGIH:OSHA) * Acetic aldehyde * Acetylaldehyde * Aldehyde acetique (French) * Aldeide acetica (Italian) * Ethanal * NCI-C56326 * Octowy aldehyd (Polish) * RCRA waste number U001
CAS Number : 75-07-0
HAZARD (GHS)
EXPOSURE CONTROLS/PERSONAL PROTECTION
Extremely flammable liquid and vapour / Harmful if swallowed / Cause skin irritation / Cause serious eye irritation / Suspected of causing genetic defects / Suspected of causing cancer / Cause damage to organ (respiratory, nervous system) / May cause respiratory irritation; or may cause drowsiness or dizziness / Toxic to aquatic life
ENGINEERING CONTROLS
     Safety shower and eye bath.  Use nonsparking tools.  Mechanical exhaust required.
GENERAL HYGIENE MEASURES
     Remove and wash contaminated clothing promptly.  Wash thoroughly after handling.
PERSONAL PROTECTIVE EQUIPMENT
     Respiratory Protection:  Government approved respirator.
     Hand Protection:  Compatible chemical-resistant gloves.
     Eye Protection:  Chemical safety goggles.
HANDLING
     Directions for Safe Handling:  Do not breathe vapor.  Do not get in eyes, on skin, on clothing.  Open carefully.  Avoid all contamination.  Always open containers slowly to allow any excess pressure to vent.
STORAGE
     Conditions of Storage:  Keep container closed.  Keep away from heat, sparks, and open flame.  Store under nitrogen.  Store at 2-8?C
SPECIAL REQUIREMENTS:
     Store under inert gas.  May develop pressure.  Air sensitive.

FIRE FIGHTING MEASURES

FIRST-AID MEASURES

PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
     Evacuate area.  Shut off all sources of ignition.  Use nonsparking tools.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
     Wear self-contained breathing apparatus, rubber boots, and heavy rubber gloves.
METHODS FOR CLEANING UP
     Ventilate area and wash spill site after material pickup is complete.  Cover with an activated carbon adsorbent, take up and place in closed containers.  Transport outdoors.
EXTINGUISHING MEDIA
     Suitable:  Carbon dioxide, dry chemical powder, or appropriate foam.
     Unsuitable:  Water may be effective for cooling, but may not effect extinguishment.
SPECIAL RISKS
     Specific Hazard(s):  Extremely flammable.  Emits toxic fumes under fire conditions.  Vapor may travel considerable distance to source of ignition and flash back.
     Explosion Hazards:  May explode when heated.  Closed containers may rupture and explode during runaway polymerization.  Vapors may form explosive mixtures with air.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
     Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
SPECIFIC METHOD(S) OF FIRE FIGHTING
     Use water spray to cool fire-exposed containers.
AFTER INHALATION
     If inhaled, remove to fresh air.  If not breathing give artificial respiration.  If breathing is difficult, give oxygen.
AFTER SKIN CONTACT
     In case of contact, immediately wash skin with soap and copious amounts of water.
AFTER EYE CONTACT
     In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.
AFTER INGESTION
     If swallowed, wash out mouth with water provided person is conscious.  Call a physician.
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Reference: Sigma-Aldrich Pte Ltd #08-01 Citilink Warehouse Singapore 118529 Singapore, Catalog #402788

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Such users assume all risks associated with the use of the material.