SIGMA CHEMICAL CO -- SODIUM HYDROXIDE SOLUTION, HT60-2  -- 6550-00N082787
<pre>=====================  Product Identification  =====================

Product ID:SODIUM HYDROXIDE SOLUTION, HT60-2
MSDS Date:12/13/1995
FSC:6550
NIIN:00N082787
=== Responsible Party ===
Company Name:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:800-325-3010; 314-771-5750
Emergency Phone Num:800-325-3010; 314-771-5750
CAGE:21076
=== Contractor Identification ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

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

Ingred Name:SODIUM HYDROXIDE (CERCLA)
CAS:1310-73-2
RTECS #:WB4900000
OSHA PEL:2 MG/M3
ACGIH TLV:C 2 MG/M3; 9495
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: HARMFUL IF SWALLOWED, INHALED,
    OR ABSORBED THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO
    TISSUE OF THE MUCOUS MEMBRANES AND UPPER RESPIRATORY TACT, EYES AND
    SKIN. INHALATION MAY BE FATAL A S A RESULT OF SPASM. INFLAMMATION
    AND EDEMA OF THE LARYNX AND BRONCHI, CHEMICAL PNEUMONITIS AND (EFTS
    OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:PULMONARY EDEMA. SYMPTOMS OF EXPOSURE
    MAY INCLUDE BURNING SENSATION, COUGHING, WHEEZING, LARYNGITIS,
    SHORTNESS OF BREATH, HEADACHE, NAUSEA AND VOMITING. TO THE BEST OF
    MFR KNOWLEDGE, THE CHEM ICAL, PHYSICAL, AND TOXICOLOGICAL
    PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYES/SKIN:IN CASE OF CONTACT, IMMED FLUSH EYES/SKIN W/COPIOUS
    AMTS OF H*2O FOR AT LEAST 15 MIN WHILE REMOVING CONTAMD CLTHG &
    SHOES. ASSURE ADEQUATE FLUSHING OF THE EYES BY SEPARATING THE
    EYELIDS W/FI NGERS. INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE
    ARTF RESP. IF BRTHG IS DFCLT, GIVE OXYGEN. INGEST:WASH OUT MOUTH
    W/H*2O PROVIDED PERSON IS CONSCIOUS. CALL MD. WASH CONTAMD CLOTHING
     (SUPDAT)

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

Extinguishing Media:DRY CHEMICAL POWDER.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR SELF-CONTAINED BREATHING
    APPARATUS, RUBBER BOOTS AND HEAVY RUBBER GLOVES. ABSORB ON SAND OR
    VERMICULITE AND PLACE IN CLOSED CONTAINERS FOR DISPOSAL. VENTILATE
    AREA AND WASH SPILL S ITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:KEEP TIGHTLY CLOSED. STORE IN A COOL
    DRY PLACE. DO NOT BREATHE VAPOR. DO NOT GET IN EYES, ON SKIN, ON
    CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
Other Precautions:CORROSIVE, TOXIC. CAUSES BURNS.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH-APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS(SUPDAT)
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
    ANSI DESIGN CRITERIA . OTHER PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
FIRST AID PROC: BEFORE REUSE. DISCARD CONTAMINATED SHOES. WASTE DISP
    METH: MAY GENERATE HEAT AND FUMES WHICH CAN BE CONTROLLED BY THE
    RATE OF ADDITION. OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENT
    AL REGULATIONS. EYE PROT: AND FULL LENGTH FACESHIELD .

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

Appearance and Odor:LIQUID.

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

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS. ABSORBS CO*2 FROM AIR.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NATURE OF DECOMPOSITION PRODUCTS NOT
    KNOWN.

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

Waste Disposal Methods:FOR SMALL QTIES:CAUTIOUSLY ADD TO A LRG STIRRED
    EXCESS OF H*2O. ADJUST PH TO NEUTRAL, SEPARATE ANY INSOLUBLE
    SOLIDS/LIQS & PACKAGE THEM FOR HAZ-WASTE DISP. FLUSH AQUEOUS SOLN
    DOWN DRAIN W/PLENTY OF H* 2O. THE HYDROLYSIS & NEUTRALIZATION
    RXN(SUPDAT)

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