=====================  Product Identification  =====================

MSDS NAME:71688 SODIUM HYDROXIDE
NIIN:00F055821
MSDS Number: CGVTK
=== Responsible Party ===
Company:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
CAGE:21076
=== Contractor Identification ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928
Company:FLUKA CHEMICAL CORP
Address:1001 WEST ST PAUL
Box:City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:63181
Company: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  =============

Name:SODIUM HYDROXIDE, CAUSTIC SODA, LYE 	   *98-1*
CAS:1310-73-2
RTECS #:WB4900000
Other REC Limits:2MG/M3 CEILING NIOSH
OSHA PEL:2 MG/CUM
ACGIH TLV:2 MG/CUM CEILING
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:HARMFUL IF SWALLOWED, INHALED/ABSORBED
    THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE OF THE
    MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT, EYES & SKIN. CAUSES
    SEVERE BURNS. INHALATION: MAY BE  FATAL AS A RESULT OF SPASM,
    INFLAMMATION/EDEMA OF THE LARYNX & BRONCHI, CHEMICAL PNEUMONITIS &
    PULMONARY EDEMA.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:BURNS, INFLAMMATION, COUGHING, WHEEZING,
    LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA, VOMITING

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

First Aid:EYES/SKIN: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR
    15 MINS. INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF
    NECESSARY. INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. OBTAIN
    MEDICAL ATTEN TION IN ALL CASES.

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

Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING
    FIRE CONDITIONS, DON'T USE WATER.
Fire Fighting Procedures:WEAR SELF CONTAINED BREATHING APPARATUS &
    PROTECTIVE CLOTHING TO PREVENT CONTACT W/SKIN & EYES.
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 & HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A
    BAG & HOLD FOR WASTE DISPOSAL.

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

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE. PRODUCT IS
    EXTREMELY HYGROSCOPIC, AIR SENSITIVE. KEEP TIGHTLY CLOSED.
Other Precautions:DON'T BREATHE DUST. DON'T GET IN EYES, ON SKIN/ON
    CLOTHING. AVOID PROLONGED/REPEATED EXPOSURE. WEAR SUITABLE
    PROTECTIVE CLOTHING, GLOVES, EYE/FACE PROTECTION.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES, FACESHIELD 8" MINIMUM
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER, EYE BATH
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE. REMOVE/DISCARD CONTAMINATED SHOES. WASH THOROUGLY AFTER
    HANDLING.
Supplemental Safety and Health
DISPOSAL CONT'D: THE HYDROLYSIS & NEUTALIZATIN REACTIONS MAY GENERATE
    HEAT & FUMES WHICH CAN BE CONTROLLED BY THE RATE OF ADDITION.

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

Appearance and Odor:SOLID

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG ACIDS, ORGANIC MATERIALS, CHLORINATED
    SOLVENTS, ALUMINUM, TIN, ZINC, NITROMETHANE
Stability Condition to Avoid:MOISTURE
Hazardous Decomposition Products:CONTACT W/ALUMINUM/TIN/ZINC, LIBERATES
    HYDROGEN GAS. CONTACT W/NITROMETHANE CAUSES FORMATION OF SHOCK
    SENSITIVE SALTS.

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

Waste Disposal Methods:CAUTIOUSLY ADD TO A LARGE EXCESS OF WATER.
    ADJUST THE PH TO 7, SEPARATE SOLIDS/LIQUIDS & PACKAGE THEM. FLUSH
    THE AQUEOUS SOLUTION DOWN THE DRAIN W/PLENTY OF WATER. DISPOSE OF
    IAW/LOCAL, STATE & FEDERA L REGULATIONS. (SEE SUPP)

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.

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