WARD'S NATURAL SCIENCE ESTABLISHMENT INC. -- MALEIC ACID  -- 6810-00D003524
<pre>=====================  Product Identification  =====================

Product ID:MALEIC ACID
MSDS Date:09/30/1992
FSC:6810
NIIN:00D003524
=== Responsible Party ===
Company Name:WARD'S NATURAL SCIENCE ESTABLISHMENT INC.
Box:92912
City:ROCHESTER
State:NY
ZIP:14692-9012
Country:US
Info Phone Num:716-359-2502
Emergency Phone Num:716-226-6177/334-4222/800-424-9300
Preparer's Name:ALEXANDER A. PICCIRILLI
CAGE:EO227
=== Contractor Identification ===
Company Name:WARD'S NATURAL SCIENCE ESTABLISHMENT INC.
Box:92912
City:ROCHESTER
State:NY
ZIP:14692-9012
Country:US
Phone:716-359-2502
CAGE:EO227
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:LD50 (ORAL, RAT) IS 708 MG/KG (RTECS).
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:EYES, SKIN, RESPIRATORY
    & GI TRACTS. ACUTE- TOXIC. EYES/SKIN:MAY CAUSE SEVERE IRRITATION &
    BURNS. INHALATION:DUST MAY CAUSE UPPER RESPIRATORY TRACT
    IRRITATION. INGESTION:MAY BE FATAL IF  SWALLOWED. CAN CAUSE SEVERE
    BURNS, HEADACHE, NAUSEA, VOMITING, DIZZINESS, GASTROINTESTINAL
    IRRITATION. CHRONIC-UNKNOWN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:CORROSIVE. SEVERE IRRITATION, BURNS, HEADACHE,
    NAUSEA, VOMITING, DIZZINESS, DERMATITIS
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
    DISORDERS OR IMPAIRED RESPIRATORY FUNCTION MAY BE MORE SUSCEPTIBLE
    TO THE EFFECTS OF THE SUBSTANCE.

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

First Aid:GET MEDICAL ATTENTION. EYES/SKIN:FLUSH WITH WATER FOR AT
    LEAST 15 MINUTES. HOLD EYELIDS OPEN. REMOVE CONTAMINATED CLOTHING.
    INHALED:REMOVE TO FRESH AIR. PROVIDE CPR/OXYGEN IF NEEDED. ORAL:DO
    NOT INDUC E VOMITING. IF CONSCIOUS, DRINK 1-2 GLASSES OF WATER OR
    MILK. NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.

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

Flash Point:NONE
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, HALON, FOAM OR DRY
    CHEMICAL.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
    SELF-CONTAINED BREATHING APPARATUS. SEE 1990 EMERGENCY RESPONSE
    GUIDEBOOK, DOT P 5800.5, GUIDE NO 60.
Unusual Fire/Explosion Hazard:SUBLIMES AT 396F. MAY FORM HAZARDOUS
    DECOMPOSITION PRODUCTS.

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

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENT. VENTILATE AREA.
    SWEEP UP AND PLACE IN A SUITABLE CONTAINER FOR LATER DISPOSAL. WASH
    SPILL SITE WITH WATER.
Neutralizing Agent:SODA ASH

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

Handling and Storage Precautions:STORE IN TIGHTLY CLOSED CONTAINER IN
    DRY PLACE AWAY FROM INCOMPATIBLE MATERIALS.
Other Precautions:USE WITH ADEQUATE VENTILATION. DO NOT GET IN EYES, ON
    SKIN OR ON CLOTHING. DO NOT GENERATE DUST. DO NOT BREATHE DUST,
    MIST OR FUMES. KEEP OUT OF REACH OF CHILDREN. WASH THOROUGHLY AFTER
    HANDLING. FOR  LABORATORY USE ONLY.

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

Respiratory Protection:NONE NORMALLY REQUIRED. IF DUSTY CONDITIONS
    PREVAIL, WORK IN VENTILATION HOOD OR WEAR NIOSH-APPROVED DUST
    RESPIRATOR.
Ventilation:ADEQUATE
Protective Gloves:RUBBER
Eye Protection:SAFETY GLASSES WITH SIDE SHIELDS/GOGGLES
Other Protective Equipment:RUBBER BOOTS, RUBBER APRON, EYE WASH
    FOUNTAIN, SAFETY SHOWER
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
    RECOMMENDED PROCEDURES. WASH THOROUGHLY BEFORE EATING,
    DRINKING/SMOKING.
Supplemental Safety and Health

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

HCC:C1
NRC/State Lic Num:NOT RELEVANT
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:1.590
Viscosity:NOT RELEVANT
Evaporation Rate &amp; Reference:NOT RELEVANT
Solubility in Water:44% @ 77F (25C)
Appearance and Odor:WHITE CRYSTALLINE POWDER - FAINT ODOR

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG BASES, ALKALI METALS, AMINES,
    METALS+MOISTURE
Stability Condition to Avoid:EXCESSIVE HEAT
Hazardous Decomposition Products:ACRID SMOKE AND IRRITATING FUMES

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

Waste Disposal Methods:DISPOSE IN AN APPROVED INCINERATOR OR CONTRACT
    WITH LICENSED CHEMICAL WASTE DISPOSAL SERVICE. DISCHARGE, TREATMENT
    OR DISPOSAL IS SUBJECT TO FEDERAL, STATE OR LOCAL LAWS.

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