MATHESON TRI-GAS, INC. -- ACETALDEHYDE  -- -
<pre>=====================  Product Identification  =====================

Product ID:ACETALDEHYDE
MSDS Date:Jan 24 1989
Kit Part:=== Responsible Party ===
Company Name:MATHESON TRI-GAS, INC.
Address:959 ROUTE 46 EAST
City:PARSIPPANY
State:NJ
ZIP:07054-0624
Country:US
Info Phone Num:(USA) 973-257-1100, (WHITBY) 905-668-3570, (EDMONTON)
    780-471-4036
Chemtrec Ind/Phone:18004249300
=== Contractor Identification ===
Company Name:MATHESON TRI-GAS, INC.
Address:959 ROUTE 46 EAST
Box:City:PARSIPPANY
State:NJ
ZIP:07054-0624
Country:US
Phone:(USA) 973-257-1100, (WHITBY) 905-668-3570, (EDMONTON)
    780-471-4036
CAGE:Company Name:MATHESON TRI-GAS, INC.
Address:530 WATSON STREET
Box:City:WHITBY
State:ZIP:L1N 5R9
Country:ONTARIO, CANADA
Phone:(USA) 973-257-1100, (WHITBY) 905-668-3570, (EDMONTON)
    780-471-4036
CAGE:


=============  Composition/Information on Ingredients  =============

Ingred Name:ACETALDEHYDE
CAS:75-07-0
Fraction by Wt: 100.0%

=====================  Hazards Identification  =====================

Reports of Carcinogenicity:NTP:Yes    IARC:Yes	  OSHA:No
Health Hazards Acute and Chronic:INHALATION: SHORT TERM EXPOSURE:
    irritation, lack of sense of smell, nausea, vomiting, chest pain,
    difficulty breathing, headache, drowsiness, symptoms of
    drunkenness, lung congestion LONG TERM EXPOSURE: disorientation,
    cancer SKIN CONTACT: SHORT TERM EXPOSURE: irritation (possibly
    severe), allergic reactions LONG TERM EXPOSURE: same as effects
    reported in short term exposure EYE CONTACT: SHORT TERM EXPOSURE:
    irritation (possibly severe), tearing, eye damage LONG TERM
    EXPOSURE: same as effects reported in short term exposure
    INGESTION: SHORT TERM EXPOSURE: nausea, vomiting, diarrhea, stomach
    pain, irregular heartbeat, headache, drowsiness, symptoms of
    drunkenness, lung congestion, coma LONG TERM EXPOSURE:
    disorientation
Medical Cond Aggravated by Exposure:

=======================  First Aid Measures  =======================

First Aid: INHALATION: If adverse effects occur, remove to
    uncontaminated area. Give artificial respiration if not breathing.
    If breathing is difficult, oxygen should be administered by
    qualified personnel. Get immediate medical attention. SKIN CONTACT:
    Wash skin with soap and water for at least 15 minutes while
    removing contaminated clothing and shoes. Get medical attention, if
    needed. Thoroughly clean and dry contaminated clothing and shoes
    before reuse. EYE CONTACT: Flush eyes with plenty of water for at
    least 15 minutes. Then get immediate medical attention. INGESTION:
    Contact local poison control center or physician immediately. Never
    make an unconscious person vomit or drink fluids. When vomiting
    occurs, keep head lower than hips to help prevent aspiration. If
    person is unconscious, turn head to side. Get medical attention
    immediately. NOTE TO PHYSICIAN: For inhalation, consider oxygen.  
    For ingestion, consider gastric lavage and activated charcoal
    slurry.

=====================  Fire Fighting Measures  =====================

Flash Point:-38 F (-39 C) (CC)
Autoignition Temp:347 F (175 C)
Lower Limits:4.0%
Upper Limits:60%
Extinguishing Media:alcohol resistant foam, carbon dioxide, regular dry
    chemical, water Large fires: Use alcohol-resistant foam or flood
    with fine water spray.
Fire Fighting Procedures:Move container from fire area if it can be
    done without risk. Cool containers with water spray until well
    after the fire is out. Stay away from the ends of tanks. For fires
    in cargo or storage area: Cool containers with water from unmanned
    hose holder or monitor nozzles until well after fire is out. If
    this is impossible then take the following precautions: Keep
    unnecessary people away, isolate hazard area and deny entry. Let
    the fire burn. Withdraw immediately in case of rising sound from
    venting safety device or any discoloration of tanks due to fire.
    For tank, rail car or tank truck: Evacuation radius: 800 meters
    (1/2 mile). Water may be ineffective.
Unusual Fire/Explosion Hazard:Severe fire hazard. Vapor/air mixtures
    are explosive. The vapor is heavier than air. Vapors or gases may
    ignite at distant ignition sources and flash back.

==================  Accidental Release Measures  ==================

Neutralizing Agent:

======================	Handling and Storage  ======================

Handling and Storage Precautions:Store and handle in accordance with
    all current regulations and standards. Protect from physical
    damage. Refrigerate. Store under an inert atmosphere. Store and
    handle in a detached building. Store in a well-ventilated area.
    Avoid heat, flames, sparks and other sources of ignition. Keep
    separated from incompatible substances. Store with flammable
    liquids. Do not evaporate or distill to dryness. May form explosive
    peroxides. Avoid contact with light. Monitor inhibitor content.
    Subject to storage regulations: U.S. OSHA 29 CFR 1910.106.
    Grounding and bonding required. Keep separated from incompatible
    substances.
Other Precautions:

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:The following respirators and maximum use
    concentrations are drawn from NIOSH and/or OSHA. At any detectable
    concentration - Any self-contained breathing apparatus that has a
    full facepiece and is operated in a pressure-demand or other
    positive-pressure mode. Any supplied-air respirator with full
    facepiece and operated in a pressure-demand or other
    positive-pressure mode in combination with a separate escape
    supply. Escape - Any air-purifying respirator with a full facepiece
    and an organic vapor canister. Any appropriate escape-type,
    self-contained breathing apparatus. For Unknown Concentrations or
    Immediately Dangerous to Life or Health - Any supplied-air
    respirator with full facepiece and operated in a pressure-demand or
    other positive-pressure mode in combination with a separate escape
    supply. Any self-contained breathing apparatus with a full
    facepiece.
Ventilation:Ventilation equipment should be explosion-resistant if
    explosive concentrations of material are present. Provide local
    exhaust or process enclosure ventilation system. Ensure compliance
    with applicable exposure limits.
Protective Gloves:Wear appropriate chemical resistant gloves.
Eye Protection:Wear splash resistant safety goggles with a faceshield.
    Provide an emergency eye wash fountain and quick drench shower in
    the immediate work area.
Other Protective Equipment:Wear appropriate chemical resistant
    clothing.
Supplemental Safety and Health
 ACETALDEHYDE: 200 ppm (360 mg/m3) OSHA TWA 100 ppm (180 mg/m3) OSHA
    TWA (vacated by 58 FR 35338, June 30, 1993) 150 ppm (270 mg/m3)
    OSHA STEL (vacated by 58 FR 35338, June 30, 1993) 25 ppm ACGIH
    ceiling

==================  Physical/Chemical Properties  ==================

Boiling Pt:70 F (21 C)
Melt/Freeze Pt:-186 F (-121 C)
Vapor Pres:750 mmHg @ 20 C
Vapor Density:1.52
Spec Gravity:0.7834
pH:Not available
Evaporation Rate &amp; Reference:49.1 (butyl acetate=1)
Solubility in Water:soluble
Appearance and Odor:PHYSICAL STATE:liquid APPEARANCE:clear
    COLOR:colorless PHYSICAL FORM:liquid, gas ODOR:fruity odor
Corrosion Rate:

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:May polymerize. Avoid contact
    with light or storage and use above room temperature.
Stability Condition to Avoid:Avoid heat, flames, sparks and other
    sources of ignition. Containers may rupture or explode if exposed
    to heat.
Hazardous Decomposition Products:Thermal decomposition products: oxides
    of carbon Thermal decomposition products: oxides of carbon
Conditions to Avoid Polymerization:May polymerize. Avoid contact with
    heat, light, air, water or incompatible materials. Closed
    containers may rupture violently.

===================  Toxicological Information	===================

Toxicological Information:ACETALDEHYDE: IRRITATION DATA: 50 ppm/15
    minute(s) eyes-human; 500 mg open skin-rabbit mild; 40 mg
    eyes-rabbit severe TOXICITY DATA: 13300 ppm/4 hour(s)
    inhalation-rat LC50; 3540 mg/kg skin-rabbit LD50; 661 mg/kg
    oral-rat LD50 CARCINOGEN STATUS: NTP: Anticipated Human Carcinogen;
    IARC: Human Inadequate Evidence, Animal Sufficient Evidence, Group
    2B; ACGIH: A3 -Animal Carcinogen LOCAL EFFECTS: Irritant:
    inhalation, skin, eye ACUTE TOXICITY LEVEL: Moderately Toxic:
    ingestion Slightly Toxic: inhalation, dermal absorption TARGET
    ORGANS: immune system (sensitizer), central nervous system MEDICAL
    CONDITIONS AGGRAVATED BY EXPOSURE: kidney disorders, liver
    disorders, respiratory disorders, skin disorders and allergies
    TUMORIGENIC DATA: Available. MUTAGENIC DATA: Available.
    REPRODUCTIVE EFFECTS DATA: Available. ADDITIONAL DATA: May be
    excreted in breast milk. Alcohol may enhance the toxic effects.

=====================  Ecological Information  =====================

Ecological:ECOTOXICITY DATA: FISH TOXICITY: 37200 ug/L 96 hour(s) LC50
    (Mortality) Fathead minnow (Pimephales promelas) INVERTEBRATE
    TOXICITY: 48250 ug/L 48 hour(s) EC50 (Immobilization) Water flea
    (Daphnia magna) ALGAL TOXICITY: 82000 ug/L 48 year(s) (Population
    Growth) Cryptomonad (Chilomonas paramecium)

====================  Disposal Considerations  ====================

Waste Disposal Methods:Dispose in accordance with all applicable
    regulations. Dispose in accordance with all applicable regulations.
    Subject to disposal regulations: U.S. EPA 40 CFR 262. Hazardous
    Waste Number(s): U001.

===================  MSDS Transport Information  ===================

Transport Information:U.S. DOT 49 CFR 172.101: PROPER SHIPPING NAME:
    Acetaldehyde ID NUMBER: UN1089 HAZARD CLASS OR DIVISION: 3 PACKING
    GROUP: I LABELING REQUIREMENTS: Flammable liquid QUANTITY
    LIMITATIONS: PASSENGER AIRCRAFT OR RAILCAR: Forbidden CARGO
    AIRCRAFT ONLY: 30 L

=====================  Regulatory Information  =====================

SARA Title III Information:  SARA TITLE III SECTION 302 EXTREMELY
    HAZARDOUS SUBSTANCES (40 CFR 355.30): Not regulated.  SARA TITLE
    III SECTION 304 EXTREMELY HAZARDOUS SUBSTANCES (40 CFR 355.40): Not
    regulated.	SARA TITLE III SARA SECTIONS 311/312 HAZARDOUS
    CATEGORIES (40 CFR 370.21):   ACUTE: Yes  CHRONIC: Yes  FIRE: Yes 
    REACTIVE: Yes  SUDDEN RELEASE: No  SARA TITLE III SECTION 313 (40
    CFR 372.65):   Acetaldehyde
Federal Regulatory Information:CERCLA SECTIONS 102a/103 HAZARDOUS
    SUBSTANCES (40 CFR 302.4):	Acetaldehyde: 1000LBSRQ OSHA PROCESS
    SAFETY (29CFR1910.119):  Acetaldehyde: 2500LBSTQ
State Regulatory Information: California Proposition 65:  Known to the
    state of California to cause the following: Acetaldehyde Cancer
    (Apr 01, 1988)

=======================  Other Information  =======================

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.