MALLINCKRODT INC SCIENCE PRODUCTS DIVISION -- SODIUM HYDROXIDE SOLUTION 50% -- 6810-01-051-3050 
=====================  Product Identification  =====================

Product ID:SODIUM HYDROXIDE SOLUTION 50%
MSDS Date:04/06/1989
FSC:6810
NIIN:01-051-3050
=== Responsible Party ===
Company Name:MALLINCKRODT INC SCIENCE PRODUCTS DIVISION
Address:PARIS BYPASS
Box:M
City:PARIS
State:KY
ZIP:40361
Country:US
Info Phone Num:314-982-5000
Emergency Phone Num:314-982-5000
CAGE:62910
=== Contractor Identification ===
Company Name:MALLINCKRODT SPECIALTY CHEMICALS CO
Address:222 RED SCHOOL LANE
Box:City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Phone:908-859-2151
CAGE:62910

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

Ingred Name:SODIUM HYDROXIDE  (SARA III)
CAS:1310-73-2
RTECS #:WB4900000
Fraction by Wt: 50% %
Other REC Limits:NONE RECOMMENDED
OSHA PEL:2 MG/M3
ACGIH TLV:C 2 MG/M3; 9293
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Ingred Name:WATER
CAS:7732-18-5
RTECS #:ZC0110000
Fraction by Wt: BALANCE
Other REC Limits:NONE RECOMMENDED

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:SEVERE RESPIRATORY TRACT IRRITATION,
    SEVERE PNEUMONITIS, GASTROINTESTINAL BURNS/IRRITATION, SKIN
    IRRITATION/BURNS, SEVERE EYE BURNS, BLINDNESS.
Explanation of Carcinogenicity:PRODUCT CONTAINS NO INGREDIENTS
    CURRENTLY CLASSIFIED AS CARCINOGENIC BY NTP, IARC OR OSHA.
Effects of Overexposure:EFFECTS FROM INHALATION OF MIST VARY FROM MILD
    IRRITATION TO SERIOUS DAMAGE OF UPPER RESPIRATORY TRACT DEPENDING
    ON SEVERITY OF EXPOSURE. SWALLOWING MAY CAUSE SEVERE BURNS OF
    MOUTH, THROAT, AND STOMAC H. SEVERE SCARRING OF TISSUE MAY
    RESULT.SKIN CONTACT CAN CAUSE SEVERE BURNS AND SCARRING. EYE
    CONTACT - BURNS/BLINDNESS
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
    DISORDERS OR EYE PROBLEMS OR IMPAIRED RESPIRATORY FUNCTION MAY BE
    MORE SUSCEPTIBLE TO THE EFFECTS OF SUBSTANCE.

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

First Aid:INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE
    ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
    CALL A PHYSICIAN. INGESTION: DO NOT INDUCE VOMITING. GIVE LARGE
    QUANTITIES OF WA TER OR MILK IF AVAILABLE. GET MEDICAL ATTENTION
    IMMEDIATELY. SKIN/EYES: IMMEDIATELY FLUSH WITH WATER FOR 15
    MINUTES. CALL PHYSICIAN IMMEDIATELY.

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

Flash Point:NONFLAMMABLE
Autoignition Temp:Autoignition Temp Text:NONE
Lower Limits:NOT GIVEN
Upper Limits:NOT GIVEN
Extinguishing Media:USE ANY MEANS SUITABLE FOR EXTINGUISHING FIRE.
    ADDING WATER TO CAUSTIC SOLUTION GENERATES LARGE AMOUNTS OF HEAT.
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND
    NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS WITH FULL
    FACEPIECE OPERATED IN THE PRESSURE DEMAND MODE.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:VENTILATE AREA OF LEAK OR SPILL. CLEAN-UP
    PERSONNEL REQUIRE PROTECTIVE CLOTHING. CONTAIN AND RECOVER LIQUID
    WHEN POSSIBLE. ABSORB WITH VERMICULITE, DRY SAND, EARTH OR SIMILAR
    MATERIAL. DO NOT FLUSH TO  SEWER. FLOOR AND OTHER SURFACES MAY
    BESLIPPERY.
Neutralizing Agent:DILUTE ACIDS

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

Handling and Storage Precautions:KEEP IN TIGHTLY CLOSED CONTAINER.
    PROTECT FROM PHYSICAL DAMAGE. STORE IN A COOL, DRY, VENTILATED AREA
    AWAY FROM SOURCES OF HEAT, MOISTURE.
Other Precautions:ALWAYS ADD THE CAUSTIC TO WATER WHILE STIRRING; NEVER
    THE REVERSE. REMOVE CONTAMINATED CLOTHING AND SHOES.

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

Respiratory Protection:IF TLV IS EXCEEDED, A DUST/MIST RESPIRATOR WITH
    CHEMICAL GOGGLES MAY BE WORN, IN GENERAL, UP TO TEN TIMES THE TLV.
    CONSULT RESPIRATOR SUPPLIER FOR LIMITATIONS. ALTERNATIVELY, USE 
    SUPPLIED AIR FULL FA CEPIECE RESPIRATOR OR AIRLINED HOOD.
Ventilation:LOCAL EXHAUST VENTILATION IS GENERALLY PREFERRED BECAUSE IT
    CAN CONTROL THE EMISSIONS AT THE SOURCE.
Protective Gloves:IMPERVIOUS
Eye Protection:SAFETY GOGGLES/FACE SHIELD
Other Protective Equipment:IMPERVIOUS CLOTHING, INCLUDING BOOTS, LAB
    COAT, APRON OR COVERALLS. MAINTAIN EYEWASH FOUNTAIN AND
    QUICK-DRENCH FACILITY.
Work Hygienic Practices:WASH WITH SOAP AND WATER AFTER HANDLING PRODUCT
    AND BEFORE EATING DRINKING OR SMOKING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

HCC:B1
Boiling Pt:=145.C, 293.F
Melt/Freeze Pt:M.P/F.P Text:NOT GIVEN
Vapor Pres:13
Vapor Density:NOT GIVEN
Spec Gravity:1.53
pH:14
Viscosity:NOT GIVEN
Evaporation Rate & Reference:NOT GIVEN
Solubility in Water:COMPLETE
Appearance and Odor:CLEAR, COLORLESS SOLUTION, NO ODOR

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

Stability Indicator/Materials to Avoid:YES
ACIDS, ORGANIC HALOGEN COMPOUNDS, ESPECIALLY TRICHLOROETHYLENE,
    NITROMETHANE, ALUMINUM, TIN, ZINC
Stability Condition to Avoid:MOISTURE, WATER
Hazardous Decomposition Products:SODIUM OXIDE. CONTACT WITH ALUMINUM,
    TIN AND ZINC CAUSE FORMATION OF FLAMMABLE HYDROGEN GAS.

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

Waste Disposal Methods:PREVENT WASTE FROM CONTAMINATING SURROUNDING
    ENVIRONMENT. DISCARD ANY PRODUCT, RESIDUE, DISPOSAL CONTAINER OR
    LINER IN ACCORDANCE WITH ALL FEDERAL, STATE AND LOCAL REGULATIONS.

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