Product ID:D5879 DIMETHYL SULFOXIDE
MSDS Date:07/31/1996
FSC:6505
NIIN:01-200-7292
MSDS Number: BQKTQ

Emergency Phone: 314-771-5765

Info Phone: 800-325-3010/FAX 800-325-5052

Cage: 21076

Telephone: 314-771-5765

Cage: 21076

DIMETHYL SULFOXIDE

CAS: 67-68-5

RTECS: PV6210000

Fraction By Weight: 100%

LD50 LC50 Mixture:ORAL, RAT LD50:14500MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:MAY BE HARMFUL BY INHAL/INGEST/SKIN
ABSORPTION.VAP/MIST IRRIT EYE/MUC MEMB/UPPER RESP TRACT.CAUSES SKIN
IRRIT.AVOID CONTACT W/DMSO SOLNS CONTAINING TOXIC MATLS/MATLS W/UNK
TOXICOLOGICAL PROPERITES.DIM ETHYL SULFOXIDE READILY ABSORBED THRU
SKIN,MAY CARRY SUCH MATLS INTO BODY.
Explanation of Carcinogenicity:THIS PRODUCT IS NOT LISTED BY NTP, IARC,
OR OSHA
Effects of Overexposure:HARMFUL BY INHAL/INGEST/SKIN ABSORPTION.IRRIT
EYE/MUCOUS MEMBRANES/UPPER RESP TRACT.SKIN IRRIT.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER. TAR
ORGANS:EYE/SKIN.BEHAVIORAL(ALT SLEEP TIME),GI,LIVER,EFFECTS
FERTILITY/EMBRYO/FETUS,SPECIFIC DVLPMNTAL ABNORMALITIES.

First Aid:IN CASE OF CONTACT IMMED LFUSH EYE/SKIN W/COPIOUS AMTS OF
WATER FOR @LEST 15MINS WHILE REMOVING CONTAM CLOTH/SHOES.INHAL
REMOVE TO FRESH AIR.NOT BREATH GIVE ART RESP;BRATH DIFFI GIVE
OXY.INGEST WASH O UT MOUTH W/WATER PROVIDED PERSON IS CONSC.CALL
DR.WASH CONTAM CLOTH BEFORE REUSE.

Flash Point:203F,95C
Autoignition Temp:Autoignition Temp Text:573F
Lower Limits:3.5
Upper Limits:635
Extinguishing Media:WATER SPRAY,CARBON DIOXIDE,DRY CHEMICAL POWDER OR
APPROPRIATE FOAM.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS &
PROTECTIVE CLOTH TO PREVENT CONTACT W/SKIN/EYES.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures: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 STIRE AFTER MATL PI CKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:READILY ABSORBED THRU
SKIN.IRRITANT.KEEP TIGHTLY CLOSED.STORE IN COOL DRY PLACE.
Other Precautions:INCOMPAT:VIOL EXOTHERMIC RX ON MIX W/CU WOOL &
TRICHLOROACETIC ACID.MIX W/POTASSIUM PERMANGANATE WILL FLASH
INSTANT.RX VIOL W/ACID HALIDES,CYANURIC CHLORIDE,SILICON
TETRACHLORIDE,PHOSPHORUS TRICHLORID E & TRIOXIDE,THIONYL
CHLORIDE,(SUPPLEME)

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA-APPROVED RESPIRATOR.
Ventilation:USE ONLY IN CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLVOES
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:WEAR OTHER PROTECTIVE CLOTHING.SAFETY SHOWER
AND EYE BATH.
Work Hygienic Practices:DONT BREATH VAPOR.DONT GET IN
EYE/SKIN/CLOTHING.AVOID PROL/REP EXPO.WASH THOROUGHLY AFT HNDLG.
Supplemental Safety and Health
OTH PREC:MAGNESIUM PERCHLORATE,AGFL,METHYL BROMIDE,IODINE
PENTAFLUORIDE,NITROGEN PERIODATE,DIBORANE,SODIUM HYDRIDE,PERCHLORIC
& PERIODIC ACIDS.WHEN HEATED >BPT METHYL SULFOXIDE DEGRADES GIVING
OFF FOR MALDEHYDE,METHYL MERCAPTAN,SULFUR DIOXIDE.

HCC:T6
Boiling Pt:B.P. Text:372F,189C
Melt/Freeze Pt:M.P/F.P Text:65.1F,18.4C
Decomp Temp:Decomp Text:NP
Vapor Pres:0.42
Vapor Density:2.7
Spec Gravity:1.101
pH:NP
Viscosity:NP
Evaporation Rate & Reference:NP
Solubility in Water:NP
Appearance and Odor:LIQUID
Percent Volatiles by Volume:NP
Corrosion Rate:NP

Stability Indicator/Materials to Avoid:YES
ACID CHLORIDES,PHOSPHORUS HALIDES,STRONG ACIDS & OXIDIZING
AGENTS,STRONG RED AGENTS,SENS TO MOISTURE.UNDERGOES(OTH PREC)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:TOXIC FUMES OF CARBON MONOXIDE, CARBON
DIOXIDE, SUFLUR OXIDES.

Waste Disposal Methods:DISSOLVE/MIX MATL W/COMBUSTIBLE SOLVT & BURN IN
C HEM INCINERATOR EQUIPPED W/AFTERBURNER & SCRUBBER.OBSERVE ALL
LOCAL, STATE AND FEDERAL ENVIRO REGULATIONS.

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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.