MALLINCKRODT INC. SCIENCE PRODUCTS DIVISION -- DIMETHYL SULFOXIDE  -- 6810-00F035461
<pre>=====================  Product Identification  =====================

Product ID:DIMETHYL SULFOXIDE
MSDS Date:11/13/1985
FSC:6810
NIIN:00F035461
=== Responsible Party ===
Company Name:MALLINCKRODT INC. SCIENCE PRODUCTS DIVISION
Address:PARIS BYPASS
Box:800
City:PARIS
State:KY
ZIP:40361
Country:US
Info Phone Num:314-539-1600
Emergency Phone Num:314-539-1600
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:DIMETHYL SULFOXIDE
CAS:67-68-5
RTECS #:PV6210000
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 17500MG/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:EYES:MAY CAUSE IRRITATION.SKIN:MAY
    CAUSE IRRITATION.DMSO IS DERMALLY ABSORBED.INGEST:MAY CAUSE GI
    TRACT IRRITATION.INHAL:MAY CAUSE RESPIRATORY IRRITATION.CHRONIC:MAY
    AFFECT KIDNEY,LIVER AND BLOOD FORM ING ORGANS.
Explanation of Carcinogenicity:RTECS HAS CITED MUTATION AND
    REPRODUCTIVE EFFECTOR REFERENCES FOR DMSO.
Effects of Overexposure:INHAL:BURNING
    SENSATION,COUGHING.INGEST:ABDOMINAL
    PAIN,VOMITING,DIARRHEA,DROWSINESS.SKIN:REDNESS,ITCHING
    SCALING.DERMAL ABSORPTION CAUSES A GARLIC-LIKE TASTE AND SMELL ON
    BREATH AND SKIN,DISTURBANCE O F COLOR VISION,INTOLERANCE TO
    LIGHT,HEADACHE,DIARRHEA,DERMATITIS.EYES:REDNESS,PAIN,BLURRED
    VISION.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING
    SKIN,EYE,KIDNEY,LIVER AND RESPIRATORY AILMENTS MAY BE AT INCREASED
    RISK FROM EXPOSURE.DMSO ENHANCES THE DERMAL ABSORPTION OF OTHER
    CHEMICALS OF MODERATE MOLECULAR WEIGHT.

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

First Aid:SKIN:REMOVE CONTAMINATED CLOTHING;WASH WITH WATER.EYES:FLUSH
    WITH WATER FOR 15 MINUTES.INHAL:REMOVE TO FRESH AIR.GIVE OXYGEN OR
    ARTIFICIAL RESPIRATION IF NEEDED.INGEST:GET PROMPT QUALIFIED
    MEDICAL ATT ENTION.IF CONSCIOUS,GIVE WATER AND INDUCE VOMITING --
    IMMEDIATELY!

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

Flash Point Method:OC
Flash Point:203F,95C
Autoignition Temp:Autoignition Temp Text:419F
Lower Limits:2.6
Upper Limits:28.5
Extinguishing Media:DRY CHEMCIAL,FOAM OR CARBON DIOXIDE.
Fire Fighting Procedures:USE A SELF-CONTAINED BREATHING APPARATUS AND
    FULL PROTECTIVE EQUIPMENT.
Unusual Fire/Explosion Hazard:FIRE CONDITIONS MAY EVOLVE TOXIC FUMES.

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

Spill Release Procedures:ELIMINATE SOURCES OF IGNITION.USE PROPER
    RESPIRATORY AND PROTECTIVE EQUIPMENT.SOAK UP WITH A NON-COMBUSTIBLE
    INERT ABSORBANT(CLAY,SAND);PLACE IN PROPER CONTAINER FOR
    DISPOSAL.USE NON-SPARKING TOOLS.
Neutralizing Agent:NONE

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

Handling and Storage Precautions:STORE IN A COOL,DRY,WELL-VENTILATED
    PLACE.KEEP CONTAINER CLOSED WHEN NOT IN USE.KEEP AWAY FROM
    HEAT,MOISTURE AND INCOMPATIBLE MATERIALS.
Other Precautions:DMSO ENHANCES THE DERMAL ABSORPTION OF OTHER
    CHEMICALS OF MODERATE MOLECULAR WEIGHT(EG.ALLERGENS).

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

Respiratory Protection:WHERE ENVIRONMENTAL CONTROLS ARE LACKING OR IN
    ENCLOSED SPACES USE EITHER A SELF-CONTAINED BREATHING APPARATUS OR
    A NOISH/MSHA APPROVED RESPIRATOR FOR ORGANIC VAPORS,DEPENDING ON
    THE AIRBORN CONCENTRA TION.
Ventilation:LOCAL EXHAUST,EXPLOSION-PROOF.
Protective Gloves:SOLVENT RESISTANT
Eye Protection:CHEMICAL SAFETY GOGGLES.
Other Protective Equipment:PROTECTIVE CLOTHING ,AS NEEDED.PROVIDE A
    LOCAL EYE WASH STATION AND SAFETY SHOWER.
Work Hygienic Practices:USE REASONABLE CARE IN HANDLING THIS
    PRODUCT.WASH HANDS AFTER USE AND BEFORE EATING.
Supplemental Safety and Health
NONE

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

HCC:N1
Boiling Pt:B.P. Text:372F,189C
Melt/Freeze Pt:M.P/F.P Text:65.3F,18.5C
Vapor Pres:0.37
Vapor Density:2.7
Spec Gravity:1.1
Evaporation Rate &amp; Reference:4.3 CCL*4=1
Solubility in Water:MISCIBLE
Appearance and Odor:LIQUID;CLEAR;COLORLESS

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDANTS,ACYLHALIDES,ARYLHALIDES,BROMOBENZOYL
    ACETANILIDE,MAGNESIUM PERCHLORATE,PERCHLORIC ACID,SODIUM HYDROXIDE.
Stability Condition to Avoid:HIGH HEAT,SOURCES OF IGNITION.
Hazardous Decomposition Products:FORMALDEHYDE,METHYL MERCAPTAN,SULFUR
    DIOXIDE.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL,STATE AND
    LOCAL REGULATIONS.

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