WARD'S NATURAL SCIENCE ESTABLISHMENT INC. -- CALCIUM HYDROXIDE  -- 6810-00D003529
<pre>=====================  Product Identification  =====================

Product ID:CALCIUM HYDROXIDE
MSDS Date:04/06/1994
FSC:6810
NIIN:00D003529
=== 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:CALCIUM HYDROXIDE
CAS:1305-62-0
RTECS #:EW2800000
Fraction by Wt: >98%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:5 MG/M3; 9495

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

LD50 LC50 Mixture:LD50 (ORAL, RAT) IS 7340 MG/KG (RTECS).
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:EYE, SKIN, RESPIRATORY &
    GI TRACTS. PRODUCT IS CORROSIVE. ACUTE- CAN CAUSE BURNS OF EYES &
    SKIN. DUST CAN CAUSE SEVERE UPPER RESPIRATORY TRACT IRRITATION.
    INGESTION IS HARMFUL. CHRONIC-  DERMATITIS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SEVERE IRRITATION, NAUSEA, BURNS, ABDOMINAL
    PAIN, DIARRHEA, VOMITING, ULCERATION, DERMATITIS
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
    DISORDERS, EYE PROBLEMS OR IMPAIRED RESPIRATORY FUNCTION MAY BE
    MORE SUSCEPTIBLE TO THE EFFECTS OF THIS PRODUCT.

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

First Aid:CALL PHYSICIAN IF SYMPTOMS PERSIST. EYE:IMMEDIATELY FLUSH
    WITH WATER FOR 15 MINUTES. HOLD EYELIDS OPEN. CALL PHYSICIAN.
    SKIN:WASH WITH SOAP & WATER. INHALED:REMOVE TO FRESH AIR. PROVIDE
    CPR/OXYGEN IF  NEEDED. ORAL:IF CONSCIOUS, DRINK LARGE AMOUNT OF
    WATER OR MILK. CALL A PHYSICIAN/POISON CONTROL CENTER IMMEDIATELY.
    NEVER GIVE FLUID IF PATIENT IS UNCONSCIOUS OR HAS CONVULSIONS.

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

Flash Point:NON-FLAMMABLE
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, FOAM OR DRY CHEMICAL
    FOR SURROUNDING FIRE. USE WATER SPRAY TO COOL FIRE EXPOSED
    CONTAINERS.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
    SELF-CONTAINED BREATHING APPARATUS. MAY FORM HAZARDOUS
    DECOMPOSITION PRODUCTS.
Unusual Fire/Explosion Hazard:MAY FORM HAZARDOUS DUST AND/OR HAZARDOUS
    DECOMPOSITION PRODUCTS.

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

Spill Release Procedures:RECLAIM AS MUCH AS POSSIBLE. SWEEP UP AND
    PLACE IN A SUITABLE CONTAINER FOR LATER DISPOSAL. WASH SPILL AREA
    WITH WATER AFTER PICK UP IS COMPLETE.
Neutralizing Agent:WEAK ACID

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

Handling and Storage Precautions:STORE IN COOL, DRY PLACE AWAY FROM
    ACID AND ACID FUMES. KEEP CONTAINER TIGHTLY CLOSED.
Other Precautions:AVOID CREATING DUSTS. AVOID EYE AND SKIN CONTAT.
    AVOID INHALATION OF DUST. KEEP OUT OF REACH OF CHILDREN. OBEY
    HAZARD WARNING LABEL. FOR LABORATORY USE ONLY. NOT FOR DRUG, FOOD
    OR HOUSEHOLD USE.

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

Respiratory Protection:NONE NORMALLY REQUIRED. IF AIRBORNE
    CONCENTRATION IS HIGH, WEAR A NIOSH-APPROVED DUST RESPIRATOR OR
    DUST MASK. IN EMERGENCY, WEAR NIOSH-APPROVED SELF-CONTAINED
    BREATHING APPARATUS.
Ventilation:ADEQUATE
Protective Gloves:RUBBER, LATEX
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:EYE WASH STATION, SAFETY SHOWER, PROTECTIVE
    CLOTHING AND/OR UNIFORM
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
    RECOMMENDED PROCEDURES.
Supplemental Safety and Health

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

HCC:T6
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:B.P. Text:DECOMPOSES
Melt/Freeze Pt:M.P/F.P Text:1076F -H2O
Decomp Temp:Decomp Text:>1076F,>580
Vapor Pres:NEGLIGIBLE
Vapor Density:2.6
Spec Gravity:2.343
Viscosity:NOT RELEVANT
Evaporation Rate &amp; Reference:NOT RELEVANT
Solubility in Water:SLIGHT
Appearance and Odor:FINE WHITE OR YELLOW-WHITE CRYSTALLINE POWDER; NO
    ODOR

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

Stability Indicator/Materials to Avoid:YES
ACIDS
Stability Condition to Avoid:EXCESSIVE HEAT (ABOVE 1076F), MOISTURE
Hazardous Decomposition Products:CALCIUM OXIDE (QUICK LIME) MAY BE
    FORMED.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH ALL LOCAL, STATE
    AND FEDERAL REGULATIONS. MAY BE DISPOSED OF IN AN APPROVED LANDFILL
    OR CONTRACT WITH A LICENSED WASTE DISPOSAL SERVICE.

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