MATHESON TRI-GAS, INC. -- O-XYLENE -- - 
=====================  Product Identification  =====================

Product ID:O-XYLENE
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:O-XYLENE
CAS:95-47-6
Fraction by Wt: 100.0%

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

Reports of Carcinogenicity:NTP:No    IARC:No	OSHA:No
Health Hazards Acute and Chronic:INHALATION: SHORT TERM EXPOSURE:
    irritation, low body temperature, ringing in the ears, nausea,
    vomiting, stomach pain, headache, drowsiness, symptoms of
    drunkenness, visual disturbances, lung congestion, kidney damage,
    liver damage, coma LONG TERM EXPOSURE: same as effects reported in
    short term exposure, tingling sensation, menstrual disorders,
    infertility, blood disorders, reproductive effects SKIN CONTACT:
    SHORT TERM EXPOSURE: irritation, blisters LONG TERM EXPOSURE: same
    as effects reported in short term exposure, rash EYE CONTACT: SHORT
    TERM EXPOSURE: irritation (possibly severe), tearing LONG TERM
    EXPOSURE: same as effects reported in short term exposure, blurred
    vision INGESTION: SHORT TERM EXPOSURE: same as effects reported in
    short term inhalation, digestive disorders, aspiration hazard LONG
    TERM EXPOSURE: reproductive effects
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:
    If a large amount is swallowed, get medical attention.


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

Flash Point:63 F (17 C)
Autoignition Temp:865 F (463 C)
Lower Limits:0.9%
Upper Limits:6.7%
Extinguishing Media:regular dry chemical, carbon dioxide, water,
    regular foam Large fires: Use regular 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. Electrostatic
    discharges may be generated by flow or agitation resulting in
    ignition or explosion.

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

Neutralizing Agent:

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

Handling and Storage Precautions:Store and handle in accordance with
    all current regulations and standards. Store and handle in
    accordance with all current regulations and standards. Grounding
    and bonding required. Protect from physical damage. Store outside
    or in a detached building. Store with flammable liquids. Keep
    separated from incompatible substances. Keep separated from
    incompatible substances. 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. 900 ppm Any
    chemical cartridge respirator with organic vapor cartridge(s). Any
    powered, air-purifying respirator with organic vapor cartridge(s).
    Any supplied-air respirator. Any self-contained breathing apparatus
    with a full facepiece. 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:Provide local exhaust ventilation system. Ventilation
    equipment should be explosion-resistant if explosive concentrations
    of material are present. Ensure compliance with applicable exposure
    limits. Ventilation equipment should be explosion-resistant if
    explosive concentrations of material are present. Provide local
    exhaust ventilation system.
Protective Gloves:Wear appropriate chemical resistant gloves. Wear
    appropriate chemical resistant gloves.
Eye Protection:Wear splash resistant safety goggles. Provide an
    emergency eye wash fountain and quick drench shower in the
    immediate work area. 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
 O-XYLENE: XYLENE: 100 ppm (435 mg/m3) OSHA TWA 150 ppm (651 mg/m3)
    OSHA STEL (vacated by 58 FR 35338, June 30, 1993) 100 ppm ACGIH TWA
    150 ppm ACGIH STEL 100 ppm (435 mg/m3) NIOSH recommended TWA 10
    hour(s) 150 ppm (655 mg/m3) NIOSH recommended STEL

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

Boiling Pt:291 F (144 C)
Melt/Freeze Pt:-13 F (-25 C)
Vapor Pres:5.2 mmHg @ 25 C
Vapor Density:3.7
Spec Gravity:0.8802
pH:Not available
Evaporation Rate & Reference:0.7 (butyl acetate=1)
Solubility in Water:0.0175% @ 20 C
Appearance and Odor:PHYSICAL STATE:liquid APPEARANCE:clear
    COLOR:colorless ODOR:sweet odor
Corrosion Rate:

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

Stability Indicator/Materials to Avoid:Stable at normal temperatures
    and pressure.
Stability Condition to Avoid:Avoid heat, flames, sparks and other
    sources of ignition. Containers may rupture or explode if exposed
    to heat. Keep out of water supplies and sewers.
Hazardous Decomposition Products:Thermal decomposition products: oxides
    of carbon Thermal decomposition products: oxides of carbon
Conditions to Avoid Polymerization:Will not polymerize.

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

Toxicological Information:O-XYLENE: TOXICITY DATA: 3617 mg/kg oral-rat
    LD50 (Phillips) LOCAL EFFECTS: Irritant: inhalation, skin, eye
    ACUTE TOXICITY LEVEL: Moderately Toxic: ingestion TARGET ORGANS:
    central nervous system REPRODUCTIVE EFFECTS DATA: Available.
    ADDITIONAL DATA: Alcohol may enhance the toxic effects. Stimulants
    such as epinephrine may induce ventricular fibrillation.

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

Ecological:ECOTOXICITY DATA: FISH TOXICITY: 16400 ug/L 96 hour(s) LC50
    (Mortality) Fathead minnow (Pimephales promelas) INVERTEBRATE
    TOXICITY: 200 mg/L 24 hour(s) EC100 (Abundance) Water flea (Daphnia
    magna) ALGAL TOXICITY: 4200 ug/L 8 hour(s) EC50 (Growth) Green
    algae (Selenastrum capricornutum) OTHER TOXICITY: 73000 ug/L 48
    hour(s) LC50 (Mortality) Clawed toad (Xenopus laevis)

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

Waste Disposal Methods:Subject to disposal regulations: U.S. EPA 40 CFR
    262. Hazardous Waste Number(s): U239.

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

Transport Information:U.S. DOT 49 CFR 172.101: PROPER SHIPPING NAME:
    Xylenes ID NUMBER: UN1307 HAZARD CLASS OR DIVISION: 3 PACKING
    GROUP: II LABELING REQUIREMENTS: Flammable liquid

=====================  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: No  FIRE: Yes 
    REACTIVE: No  SUDDEN RELEASE: No  SARA TITLE III SECTION 313 (40
    CFR 372.65):   o-Xylene
Federal Regulatory Information:CERCLA SECTIONS 102a/103 HAZARDOUS
    SUBSTANCES (40 CFR 302.4):	o-Xylene: 1000LBSRQ OSHA PROCESS SAFETY
    (29CFR1910.119): Not regulated.
State Regulatory Information: California Proposition 65: Not regulated.

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

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