Product ID:DIMETHYL SULFOXIDE, CAT. NO. D128500
MSDS Date:10/12/1988
FSC:6810
NIIN:01-047-1741
MSDS Number: BLFGQ

Emergency Phone: 201-796-7100 0R 800-424-3900 CHEMTR

Info Phone: 201-796-7100

Cage: 22527

Telephone: 201-796-7100

Cage: 1B464

DIMETHYL SULFOXIDE

CAS: 67-68-5

RTECS: PV6210000

Fraction By Weight: 100%

LD50 LC50 Mixture:LC50/4 HR RAT IS 1.6 MG/L
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:DIMETHYL SULFOXIDE IS AN IRRITANT AND
IS TOXIC BY INHALATION AND INGESTION. IT IS ABSORBED READILY
THROUGH THE SKIN BUT TOXIC AMOUNTS ARE UNUSUAL. CHRONIC EFFECTS ARE
CHEMICAL PNEUMONIA, LIVER & KIDNE Y TOXICITY.
Explanation of Carcinogenicity:PRODUCT CONTAINS NO MATERIALS CURRENTLY
CLASSIFIED AS CARCINOGENIC BY NTP, IARC OR OSHA.
Effects of Overexposure:COUGHING, NAUSEA, VOMITING, CHILLS, CRAMPS,
HEADACHE, DIZZINESS, LETHARGY, CLOUDY SWELLING OF LIVER, SIGNS OF
RENAL TOXICITY, ITCHING/TRANSIENT BURNING OF THE SKIN, HISTAMINE
RELEASE WITH WHEAL & FLAR E FORMATION, GARLIC TASTE AND ODOR TO
BREATH, DIARRHEA, TRANSIENT DISTURBANCES OF COLOR VISION,
PHOTOPHOBIA, BLURRED EYE
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHALATION:REMOVE FROM EXPOSURE. ASSIST BREATHING IF
NECESSARY. KEEP PERSON WARM AND RESTING. SKIN:REMOVE CONTAMINATED
CLOTHING. WASH EFFECTED AREA WITH SOAP AND WATER. FLUSH WITH LARGE
AMOUNTS OF WAT ER. EYES:WASH IMMEDIATELY WITH LARGE AMOUNTS OF
WATER OR NORMAL SALINE FOR 15-20 MINUTES. INGESTION:GET IMMEDIATE
MEDICAL ATTENTION. REMOVE CHEMICAL BY EMISIS OR GASTRIC LAVAGE(BY
MEDICAL PERSONNEL).

Flash Point Method:CC
Flash Point:192F,89C
Autoignition Temp:Autoignition Temp Text:419F
Lower Limits:2.6 %
Upper Limits:42 %
Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, WATER SPRAY OR
STANDARD FOAM
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:VAPORS ARE HEAVIER THAN AIR AND MAY
TRAVEL ALONG GROUND OR FLOOR, THEN 'FLASH BACK' FROM A DISTANT
IGNITION SOURCE.

Spill Release Procedures:ELIMINATE IGNITION SOURCES. TAKE UP WITH SAND
OR OTHER ABSORBENT MATERIAL AND PLACE INTO CLEAN, DRY CONTAINERS
FOR LATER DISPOSAL. KEEP UNNECESSARY PEOPLE AWAY.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE AWAY FROM INCOMPATABLE
SUBSTANCES. BOND AND/OR GROUND OF CONTAINERS DURING LIQUID
TRANSFER.
Other Precautions:NONE

Respiratory Protection:THE SPECIFIC RESPIRATOR SELECTED SHOULD BE BASED
ON THE LEVELS OF CONTAMINATION IN THE WORKPLACE. FISHER REQUIRES
THAT THEY CARRY NIOSH AND MSHA APPROVAL. THEY VARY FROM A SIMPLE
DUST/MIST RESPIRATOR TO AN SCBM DEPENDING ON THE EXPOSURE.
Ventilation:PROCESS ENCLOSURE IS RECOMMENDED. VENTILATION EQUIPMENT
MUST BE EXPLOSION -PROOF.
Protective Gloves:APPROPRIATE TO PREVENT CONTACT
Eye Protection:CHEMICAL SPLASH GOGGLES
Other Protective Equipment:IMPERVIOUS CLOTHING APPROPRIATE TO PREVENT
PROLONGED OR REPEATED SKIN CONTACT. EYE WASH STATION AND SAFETY
SHOWER,
Work Hygienic Practices:USE GOOD CHEMICAL HYGIENE PRACTICE. AVOID
UNNECESSARY CONTACT. WASH THOROUGHLY BEFORE EATING OR DRINKING.
Supplemental Safety and Health
MSDS RECEIVED FROM NAVY (FOCAL POINT N). NAVY IDENTIFIED NSN.

HCC:T2
NRC/State Lic Num:NONE
Boiling Pt:B.P. Text:372F,189C
Melt/Freeze Pt:M.P/F.P Text:64.0F,17.8C
Vapor Pres:0.37 MM
Vapor Density:2.7
Spec Gravity:1.1
Evaporation Rate & Reference:4.3 CCL4 = 1
Solubility in Water:MISCIBLE
Appearance and Odor:CLEAR, WATER WHITE, HYGROSCOPIC LIQUID WITH SIGHTLY
BITTER TASTE/GARLIC ODOR

Stability Indicator/Materials to Avoid:YES
OXIDIZERS
Stability Condition to Avoid:HIGH TEMPERATURES, FLAME, SPARKS, OTHER
IGNITION SOURCES
Hazardous Decomposition Products:THERMAL DECOMPOSITION PRODUCTS INCLUDE
FORMALDEHYDE, METHYL MERCAPTAN AND SULFUR DIOXIDE VAPORS.

Waste Disposal Methods:OBSERVE ALL LOCAL, STATE AND FEDERAL REGULATIONS
WHEN STORING OR DISPOSING OF THIS MATERIAL. FOR ASSISTANCE CONTACT
DISTRICT DIRECTOR OF THE ENVIRONMENTAL PROTECTION AGENCY.

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.