SIGMA-ALDRICH CORP -- SODIUM HYDROXIDE, PART A -- 6550-01-299-1699 
=====================  Product Identification  =====================

Product ID:SODIUM HYDROXIDE, PART A
MSDS Date:04/01/1992
FSC:6550
NIIN:01-299-1699
Kit Part:Y
=== Responsible Party ===
Company Name:SIGMA-ALDRICH CORP
Address:1001 WEST SAINT PAUL AVE
Box:14508
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Info Phone Num:800-325-8070
Emergency Phone Num:800-325-5832/800-231-8327
CAGE:GO059
=== 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
Company Name:SIGMA-ALDRICH CORPORATION
Address:1001 WEST SAINT PAUL AVE
Box:2060
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Phone:800-231-8327
CAGE:GO059

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

Ingred Name:SODIUM HYDROXIDE (SARA III)
CAS:1310-73-2
RTECS #:WB4900000
Fraction by Wt: 3%
Other REC Limits:NONE SPECIFIED
OSHA PEL:2 MG/M3
ACGIH TLV:C 2 MG/M3; 9293
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

=====================  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:ACUTE-CORROSIVE.HARMFUL IF
    SWALLOWED,INHALED OR ABSORBED THROUGH SKIN.EXTREMELY DESTRUCTIVE TO
    TISSUE,MUCOUS MEMBRANES, EYES,SKIN.INHALATION MAY BE FATAL.SYMPTOMS
    INCLUDE BURNING SENSATION, COUGHING,W HEEZING,LARYNGITIS,SHORTNESS
    OF BREATH,HEADACHE,NAUSEA,VOMITING, CHEMICAL PNEUMONITIS AND
    PULMONARY EDEMA.CHRONIC-UNKNOW
Effects of Overexposure:CORROSIVE. HARMFUL IF SWALLOWED, INHALED OR
    ABSORBED THROUGH SKIN. EXTREMELY DESTRUCTIVE TO TISSUE, MUCOUS
    MEMBRANES, EYES, SKIN. INHALATION MAY BE FATAL. SYMPTOMS INCLUDE
    BURNING SENSATION, COUGHING,  WHEEZING, LARYNGITIS, SHORTNESS OF
    BREATH, HEADACHE, NAUSEA, VOMITING, CHEMICAL PNEUMONITIS AND
    PULMONARY EDEMA.
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 THE SUBSTANCE.

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

First Aid:GET IMMEDIATE MEDICAL HELP FOR ALL CASES OF
    EXPOSURE.EYES/SKIN: FLUSH WITH WATER FOR AT LEAST 15 MINUTES. HOLD
    EYELIDS OPEN. INHALATION: REMOVE TO FRESH AIR.PROVIDE CPR/OXYGEN IF
    NECESSARY. INGESTION:  DO NOT INDUCE VOMITING.IF CONSCIOUS,DRINK
    WATER. WASH OUT MOUTH. CALL A PHYSICIAN.

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

Flash Point:NONE
Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE. DO NOT
    USE WATER.
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND NIOSH-
    APPROVED SELF-CONTAINED BREATHING APPARATUS WITH FULL FACEPIECE
    OPERATED IN THE POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:TOXIC FUMES

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

Spill Release Procedures:EVACUATE AREA. WEAR SELF-CONTAINED BREATHING
    APPARATUS, RUBBER BOOTS AND HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN
    A BAG AND HOLD FOR WASTE DISPOSAL. VENTILATE AREA AND WASH SPILL
    SITE AFTER MATERIAL PI CKUP IS COMPLETE.
Neutralizing Agent:WEAK ACID

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

Handling and Storage Precautions:STORAGE-STORE IN TIGHTLY CLOSED
    CONTAINER IN DRY PLACE AWAY FROM ACIDS AND OXIDIZERS. EXTREMELY
    HYGROSCOPIC.
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. DO NOT TAKE
    INTERNALLY. WASH THOROUG HLY AFTER HANDLING.

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

Respiratory Protection:NORMALLY NOT REQUIRED. NIOSH/MSHA APPROVED
    RESPIRATOR SHOULD BE WORN IN THE ABSENCE OF ADEQUATE VENTILATION.
    USE ONLY IN A CHEMICAL FUME HOOD.
Ventilation:ADEQUATE
Protective Gloves:CHEMICAL RESISTANT GLOVES/RUBBER
Eye Protection:SAFETY GOGGLES WITH SIDE SHIELDS
Other Protective Equipment:CHEMICAL BOOTS, APRON, EYE WASH AND SAFETY
    EQUIPMENT. SAFETY SHOWER AND EYE BATH.
Work Hygienic Practices:WASH THOROUGHLY BEFORE EATING, DRINKING OR
    SMOKING.
Supplemental Safety and Health
KEY 1: C2.THIS IS PART A OF THE TOTAL PROTEIN KIT (540-A) CONSISTING OF
    3 PARTS. FOR OTHER PARTS, SEE P/N B AND C SAME NSN. PART A (540-2)
    IS BIURET REAGENT. IT CONTAINS 0.15% COPPER SULFATE IN 3% SOD IUM
    HYDROXIDE. PART B (540-10) IS PROTEIN STANDARD SOLUTION AND PART C
    (540-3) IS TOTAL PROTEIN BLANK REAGENT.

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

HCC:B1
Melt/Freeze Pt:M.P/F.P Text:604F,318C
Vapor Pres:<18
Vapor Density:>1
Spec Gravity:2.130
Solubility in Water:COMPLETE
Appearance and Odor:WHITE PELLETS

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG ACIDS, ORGANIC MATERIALS, CHLOROINATED
    SOLVENTS.
Stability Condition to Avoid:HIGH HEAT, FLAME. PROTECT FROM MOISTURE.
Hazardous Decomposition Products:NONE KNOWN.

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

Waste Disposal Methods:WASTE DISPOSAL TO BE PERFORMED IN COMPLIANCE
    WITH ALL CURRENT LOCAL, STATE AND FEDERAL REGULATIONS. SMALL
    QUANTITIES MAY BE DISSOLVED IN WATER AND NEUTRALIZED WITH ACID. THE
    NEUTRALIZED SOLUTION CAN B E FLUSHED DOWN THE DRAIN IF PERMITTED.

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