WARDS NATURAL SCIENCE ESTABLISHMENT INC -- MALEIC ACID  -- 6810-00D020102
<pre>=====================  Product Identification  =====================

Product ID:MALEIC ACID
MSDS Date:09/30/1992
FSC:6810
NIIN:00D020102
=== 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:716-334-4222 716-359-2502
Emergency Phone Num:716-226-6177 800-424-9300(CHEMTREC)
Preparer's Name:ALEXANDER A. PICCIRILLI
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:MALEIC ACID (CERCLA)
CAS:110-16-7
RTECS #:OM9625000
Fraction by Wt: 100%
Other REC Limits:NONE RECOMMENDED
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

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

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 708MG/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:EYES:CORROSIVE.MAY CAUSE
    IRRITATION,POSSIBLE CORNEAL EROSION.SKIN:MAY CAUSE IRRITATION AND
    DERMATITIS.INGEST:MODERATELY TOXIC.MAY BE FATAL IF SWALLOWED.MAY
    CAUSE GI TRACT IRRITATION.MAY DAMAGE MOUTH,E SOPHAGUS AND
    STOMACH.INHAL:MAY CAUSE RESPIRATORY IRRITATION.
Explanation of Carcinogenicity:THERE ARE NO INGREDIENTS ABOVE 0.1%
    WHICH ARE IDENTIFIED AS CARCINOGENS BY NTP,IARC OR OSHA.
Effects of Overexposure:INHAL:DIFFICULTY
    BREATHING,COUGHING.EYES:REDNESS,PAIN.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:SKIN:REMOVE CONTAMINATED CLOTHING;WASH WITH SOAP AND
    WATER.EYES:FLUSH WITH WATER FOR 15 MINUTES.GET MEDICAL
    ATTENTION.INHAL:REMOVE TO FRESH AIR.GIVE OXYGEN OR ARTIFICIAL
    RESPIRATION IF NEEDED.GET MEDI CAL ATTENTION.INGEST:DO NOT INDUCE
    VOMITING.GET PROMPT QUALIFIED MEDICAL ATTENTION.IF CONSCIOUS,GIVE
    1-2 GLASSES OF WATER OR MILK.

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

Flash Point:NON-FLAMMABLE
Extinguishing Media:WATER SPRAY,DRY CHEMICAL(ABC),CARBON
    DIOXIDE,HALON,STANDARD FOAM.
Fire Fighting Procedures:USE A SELF-CONTAINED BREATHING APPARATUS AND
    FULL PROTECTIVE EQUIPMENT.
Unusual Fire/Explosion Hazard:SUBLIMES AT 396F;EMITS FUMES UPON
    HEATING.DECOMPOSITION FUMES MAY BE TOXIC.REACTS VIGOROUSLY WITH
    OXIDIZING AGENTS.

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

Spill Release Procedures:RECOVER IF NOT CONTAMINATED.USE PROPER
    RESPIRATORY AND PROTECTIVE EQUIPMENT.SWEEP OR VACUUM;DO NOT CREATE
    DUST;PLACE IN AN APPROPRIATE CONTAINER FOR DISPOSAL.FLUSH SPILL
    AREA WITH WATER.DO NOT POLLUTE  WATERWAYS WITH RINSEATE.
Neutralizing Agent:NOT REPORTED.

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

Handling and Storage Precautions:STORE IN A COOL,DRY,WELL-VENTILATED
    PLACE.KEEP CONTAINER CLOSED WHEN NOT IN USE.KEEP AWAY FROM
    HEAT,SPARKS,FLAMES AND INCOMPATIBLE MATERIALS.
Other Precautions:AVOID SKIN AND EYE CONTACT.DO NOT INHALE
    VAPORS/MISTS.

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

Respiratory Protection:WHERE ENVIRONMENTAL CONTROLS ARE LACKING OR IN
    ENCLOSED SPACES USE A NIOSH/MSHA APPROVED RESPIRATOR FOR DUST.
Ventilation:LOCAL VENTILATION AT THE WORKSITE;MECHANICAL(GENERAL)
    VENTILATION TO MAINTAIN TLV/PEL.
Protective Gloves:RUBBER.
Eye Protection:CHEMICAL SAFETY GLASSES.
Other Protective Equipment:SMOCK,APRON.PROVIDE A LOCAL EYE WASH STATION
    AND SAFETY SHOWER.
Work Hygienic Practices:EXECISE GOOD LABORATORY PRACTICES.WASH HANDS
    AFTER USE AND BEFORE EATING.
Supplemental Safety and Health
NONE

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

HCC:T6
Boiling Pt:B.P. Text:DECOMPOSES
Melt/Freeze Pt:M.P/F.P Text:268F,131C
Decomp Temp:Decomp Text:275F,135C
Vapor Pres:NEGLIGIBLE
Vapor Density:4.0
Spec Gravity:1.59
Evaporation Rate &amp; Reference:NON-VOLATILE
Solubility in Water:APPRECIABLE
Appearance and Odor:WHITE CRYSTALLINE POWDER;FAINT ACIDULOUS ODOR.
Percent Volatiles by Volume:NIL

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS,ALKALI METALS,STRONG BASES,AMINES.SOLUTIONS OF MALEIC
    ACID MAY CORRODE METAL.
Stability Condition to Avoid:AT 230C,IT CONVERTS TO FUMARIC ACID AND
    UNDERGOES PARTIAL CARBONIZATION AND FORMATION OF MALEIC ANHYDRIDE.
Hazardous Decomposition Products:AT 230C,CONVERTS TO FUMARIC ACID AND
    UNDERGOES PARTIAL CARBONIZATION AND FORMATION OF MALEIC
    ANHYDRIDE(READILY SUBLIMES)

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL,STATE AND
    LOCAL REGULATIONS.MAY BE INCINERATED.

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