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

MSDS NAME:DIMETHYL SULFOXIDE, DMSO
NIIN:00-890-1889
MSDS Number: BFTYZ
=== Responsible Party ===
Company:MALLINCKRODT INC. SCIENCE PRODUCTS DIVISION.
Address:PARIS BYPASS
Box:M
City:PARIS
State:KY
ZIP:40361
Info Phone Num:314-982-5000
Emergency Phone Num:314-982-5000
CAGE:62910
=== Contractor Identification ===
Company: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  =============

Name:DIMETHYL SULFOXIDE;DMSO; CAS #67-68-3
CAS:67-68-5
RTECS #:PV6210000
Fraction by Wt: >99%

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

LD50 LC50 Mixture:LD50 RAT ORAL 17500 MG/KG.
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ABSORPTION MAY AFFECT BLOOD.REPEATED
    SKIN APPLICATION MAY CAUSE SCALING DERMATITIES.REPEATED ORAL DOSES
    MAY AFFECT THE LIVER AND KIDNEYS.
Explanation of Carcinogenicity:METHYL SULFOXIDE (DMSO):CARCIN IN HUM
    NOT DETERMINED.INADEQUATE NEGATIVE EVIDENCE FOR CARCIN IN ANIMALS
    (GENE-TOX 1987).
Effects of Overexposure:EYES:REDNESS,PAIN,BLURRED VISION.SKIN:AN
    IRRITANT CAUSING REDNESS,ITCHING & SCALING.READILY ABSORBED THROUGH
    SKIN. GARLIC-LIKE TASTE & ODOR MAY DEVELOP ON BRTH & SKIN.TRANSIENT
    DISTURBANCES OF COLOR V ISION,PHOTOPHOBIA,HEADACHE,DIARRHEA &
    DERMATITIS MAY RESULT FROM SKIN APPLICATIONS.INGESTION:ABDOMINAL
    PAIN (SEE SUP DAT
Medical Cond Aggravated by Exposure:PERSON W/PRE-EXISTING SKIN OR EYES
    DISORDERS OR IMPAIRED LIVER OR KIDNEY FUNC MAY BE MORE SUSCEPTIBLE
    TO EFTS OF THIS PROD.TROPICAL APPLICATION ENHANCES DERMAL
    ABSORPTION OF MANY OTHER (SEE SUPP DATA)

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

Eyes:WASH W/PLENTY OF H2O FOR AT LEAST 15 MIN.CALL
    MD.SKIN:FLUSH W/PLENTY OF H20 FOR AT LEAST 15 MIN WHILE REMOVING
    CONTAM CLTHG & SHOES.WASH CLTHG BEFORE REUSE.CALL MD
    IMMED.INGEST:INDUCE VOMITING IM MED BY GIVING 2 GLASSES H20 (MILK
    IF AVAIL) & STICKING FINGER DOWN THROAT.CALL MD IMMED.NEVER GIVE
    ANYTHING BY MOUTH TO UNCON PERSON. INHAL:MOVE TO FRESH AIR.GET MED
    ATTN FOR ANY BRTHG DIFFICULTY.

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

Flash Point Method:OC
Flash Point:203F,95C
Autoignition Temp:Autoignition Temp Text:215C
Lower Limits:2.6%
Upper Limits:28.5%
Extinguishing Media:DRY CHEMICAL,FOAM OR CARBON DIOXIDE.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA AND FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:MODERATE FIRE HAZARD WHEN EXPOSED TO
    HEAT, FLAME. ABOVE FLASH PT,VAP-AIR MIXTURE IS EXPLOSIVE. TOXIC
    FUMES MAY BE RELEASED DURING FIRE.

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

Spill Release Procedures:VENT & EVACUATE AREA.CLEAN-UP PERS MAY REQ
    PROT CLTHG & RESP PROT FROM VAP.ALLOW ONLY QUALIFIED TO HNDL
    SPILL.CONTAIN & REMOVER SPILLS WHEN POSS.COVER LARGE SPILLS
    W/EARTH,SAND/INERT SOLID, SCOOP UP W /NON-SPARKING TOOLS & PLACE IN
    APPROPRIATE CNTNR.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:KEEP IN TIGHTLY CLSD CNTNR.STORE IN
    COOL, DRY,VENTILATED AREA AWAY FROM SOURCES OF HEAT,MOISTURE AND
    INCOMPATIBILITIES.PROTECT FROM PHYSICAL DAMAGE.
Other Precautions:AVOID BREATHING MIST. KEEP CONTAINER CLOSED. USE WITH
    ADEQUATE VENTILATION. CONTACT LENSES SHOULD NOT BE WORN AROUND THIS
    MATERIAL.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE FOR
    EXPOSURE OF CONCERN.
Ventilation:LOCAL AND GENERAL VENTILATION NECESSARY TO KEEP AIR
    CINCENTRATION BELOW LEVELS OF CONCERN.
Protective Gloves:RECOMMENDED
Eye Protection:CHEMICAL GOGGLES, FULL FACESHIELD.
Other Protective Equipment:IMPERVIOUS PROT CLOTHING INCLUDING BOOTS.LAB
    COAT,APRON OR COVERALLS.MAINTAIN EYEWASH FOUNTAIN & QUICK DRENCH
    FACILITY.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
VP:0.37 MMHG @ 68,20C.FL PT:192F,89C (CC). AUTOIGNIT TEMP:419F,215C.

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

HCC:N1
Boiling Pt:B.P. Text:702F,372C
Melt/Freeze Pt:M.P/F.P Text:65.3F,18.5C
Vapor Pres:SEE SUPP
Vapor Density:2.7(AIR=1)
Spec Gravity:1.10 (WATER=1)
Evaporation Rate & Reference:4.3 (CCL4=1)
Solubility in Water:MISCIBLE WITH WATER
Appearance and Odor:CLEAR, COLORLESS, ODORLESS LIQUID; HYGROSCOPIC.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDANTS,ACYLHALIDES,ARYLHALIDES,BROMOBENZOYYL
    ACETANILIDE,MAGNESIUM PERCHLORATE,PERCHLORIC ACID,SODIUM HYDROXIDE
Stability Condition to Avoid:STABLE UNDER ORDINARY CONDITIONS OF USE
    AND STORAGE,HYGROSCOPIC LIQUID.
Hazardous Decomposition Products:SO2 AT TEMP ABOVE 213F,100C.HAZ
    THERMO- 0XIDATIVE DEGRADATION PROD FROM DMOS INCL
    FORMALDEHYDE,METHYL MERCAPTAN & SO2.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

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

Waste Disposal Methods:DISPOSAL MUST BE IN ACCORDANCE WITH
    FEDERAL,STATE AND LOCAL REGULATIONS .WASTE MAY BE DISPOSED IN A
    RCRA APPROVED FACILITY OR BURNED IN A RCRA APPROVED INCINERATOR.

 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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