WARDS NATURAL SCIENCE ESTABLISHMENT INC -- N-HEXANE,39-1515  -- 6810-00-312-7109
<pre>=====================  Product Identification  =====================

Product ID:N-HEXANE,39-1515
MSDS Date:09/13/1995
FSC:6810
NIIN:00-312-7109
=== Responsible Party ===
Company Name:WARDS NATURAL SCIENCE ESTABLISHMENT INC
Address:5100 W HENRIETTA RD
Box:92912
City:ROCHESTER
State:NY
ZIP:14692
Country:US
Info Phone Num:716-359-2502/226-6177 (NIGHT)
Emergency Phone Num:716-359-2502/800-424-9300(CHEMTREC)
Preparer's Name:MICHAEL RASZEJA
CAGE:63759
=== Contractor Identification ===
Company Name:WARDS NATURAL SCIENCE ESTABLISHMENT INC
Address:5100 W HENRIETTA RD
Box:92912
City:ROCHESTER
State:NY
ZIP:14692-9012
Country:US
Phone:(716) 359-2502
CAGE:63759

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

Ingred Name:HEXANE (N-HEXANE) (CERCLA)
CAS:110-54-3
RTECS #:MN9275000
Fraction by Wt: 99- 100%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:500 PPM
ACGIH TLV:50 PPM; 9596
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

Ingred Name:CYCLOHEXANE (SARA 313) (CERCLA)
CAS:110-82-7
RTECS #:GU6300000
Fraction by Wt: 0 - 1%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:300 PPM
ACGIH TLV:300 PPM, 9596
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

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

LD50 LC50 Mixture:LD50(ORAL,RAT) HEXANE 28710 MG/KG(RTECS)
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:EYES, SKIN, CNS,
    RESPIRATOR & GI TRACTS. ACUTE- CAUSES SEVERE EYE IRRITATION.
    PROLONGED/REPEATED SKIN CONTACT CAN CAUSE IRRITATION, DERMATITIS.
    MAY BE ABSORBED THROUGH SKIN. INHALATION C AN CAUSE IRRITATION, CNS
    EFFECTS. INGESTION CAN CAUSE GI TRACT IRRITATION. ASPIRATION
    HAZARD. CHRONIC- NERVE DAMAGE.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, DRY SKIN, TEARING, BLURRED VISION,
    REDNESS, DEFATTING, DERMATITIS, HEADACHE, DIZZINESS, WEAKNESS,
    FATIGUE, NAUSEA, VOMITING, DIARRHEA, UNCONSCIOUSNESS
Medical Cond Aggravated by Exposure:INDIVIDUALS WITH PRE-EXISTING
    DISEASES OF THE EYE, SKIN, RESPIRATORY TRACT, CNS MAY HAVE
    INCREASED SUSCEPTIBILITY TO THE TOXICITY OF EXCESSIVE EXPOSURES.

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

First Aid:GET MEDICAL HELP IF SYMPTOMS PERSIST. INHALED:REMOVE TO FRESH
    AIR. PROVIDE CPR/OXYGEN IF NEEDED. EYES/SKIN:FLUSH WITH WATER FOR
    15 MINUTES. HOLD EYELIDS OPEN. REMOVE CONTAMINATED CLOTHING. WASH
    BEFORE  REUSE. ORAL:DO NOT INDUCE VOMITING. IFCONSCIOUS, RINSE
    MOUTH WITH WATER. GET MEDICAL ATTENTION.

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

Flash Point Method:TOC
Flash Point:-7F,-22C
Autoignition Temp:Autoignition Temp Text:437F
Lower Limits:1.08%
Upper Limits:8.0%
Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, FOAM. WATER MAY BE
    INEFFECTIVE, BUT SHOULD BE USED TO COOL FIRE-EXPOSED CONTAINERS.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
    SELF-CONTAINED BREATHING APPARATUS. SEE 1993 EMERGENCY RESPONSE
    GUIDEBOOK, DOT P 5800.6, GUIDE NO 27.
Unusual Fire/Explosion Hazard:VAPOR IS HEAVIER THAN AIR AND CAN TRAVEL
    CONSIDERABLE DISTANCE TO A SOURCE OF IGNITION AND FLASH BACK.
    CONTAINERS MAY RUPTURE DUE TO VAPOR PRESSURE BUILDUP.

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

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENT. ELIMINATE SOURCES
    OF IGNITION. VENTILATE AREA. REMOVE SPILL WITH NON-FLAMMABLE
    ABSORBENT SUCH AS SAND/CLAY. PLACE IN CONTAINER FOR DISPOSAL. WASH
    SPILL SITE AFTER PICK UP IS  COMPLETE. PREVENT LIQUID FROM
    ENTERINGSEWER
Neutralizing Agent:NOT RELEVANT

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

Handling and Storage Precautions:STORE IN TIGHTLY CLOSED CONTAINERS IN
    VENTILATED AREA AWAY FROM IGNITION SOURCES & INCOMPATIBLES. KEEP
    OUT OF REACH OF CHILDREN.
Other Precautions:HIGHLY FLAMMABLE. USE IN WELL VENTILATED AREA/HOOD.
    AVOID BREATHING VAPORS. DO NOT GET IN EYES, ON SKIN/ON CLOTHING.
    WASH THOROUGHLY AFTER HANDLING AND BEFORE EATING OR DRINKING.
    REMOVE CONTAMINATED C LOTHING PROMPTLY. LAUNDER BEFORE REUSE.

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

Respiratory Protection:IF TLV IS EXCEEDED OR FOR SYMPTOMS OF OVER
    EXPOSURE, WEAR NIOSH-APPROVED ORGANIC VAPOR RESPIRATOR OR
    AIR-SUPPLIED RESPIRATOR. IN EMERGENCY, WEAR A NIOSH-APPROVED
    POSITIVE-PRESSURE SELF-CONTAINED BREAT HING APPARATUS.
Ventilation:MECHANICAL (GENERAL AND/OR LOCAL EXHAUST, EXPLOSION-PROOF)
    VENTILATION TO MAINTAIN EXPOSURE BELOW TLV(S).
Protective Gloves:NITRILE RUBBER
Eye Protection:SAFETY GLASSES/CHEMICAL SPLASH GOGGLES
Other Protective Equipment:EYE WASH STATION & SAFETY SHOWERS SHOULD BE
    AVAILABLE IN THE IMMEDIATE VICINITY OF ANY POTENTIAL EXPOSURE. LAB
    COAT
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
    RECOMMENDED PROCEDURES.
Supplemental Safety and Health

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

HCC:F2
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:=68.C, 154.4F
Melt/Freeze Pt:=-94.C, -137.2F
Vapor Pres:100 @60.4F
Vapor Density:3.0
Spec Gravity:0.660
Evaporation Rate &amp; Reference:<1 (ETHER=1)
Solubility in Water:INSOLUBLE
Appearance and Odor:COLORLESS, VERY VOLATILE LIQUID - FAINT, PECULIAR
    ODOR
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, ACIDS, BASES, SELECTED AMINES
Stability Condition to Avoid:HIGH HEAT, SPARKS, OPEN FLAMES AND OTHER
    SOURCES OF IGNITION
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH ALL LOCAL, STATE
    AND FEDERAL REGULATIONS. MAY BE BURNED IN AN APPROVED CHEMICAL
    INCINERATOR.

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