Product ID:D8779 DIMETHYL SULFOXIDE ACS REAGENT
MSDS Date:05/07/1990
FSC:6810
NIIN:00F007339
MSDS Number: BBXTD

Emergency Phone: 314-771-5765

Info Phone: 314-771-5765

Cage: 21076

Telephone: 314-771-5765

Cage: 21076

METHYL SULFOXIDE, DIMETHYL SULFOXIDE

CAS: 67-68-5

RTECS: PV6210000

LD50 LC50 Mixture:ORAL LD50 (RAT): 14,500 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INGESTION: HARMFUL. SKIN: HARMFUL
ABSORPTION, IRRITATION, ALLERGIC REACTIONS. INHALATION: HARMFUL,
IRRITATION TO MUCOUS MEMBRANES/UPPER RESPIRATORY TRACT, ALLERGIC
RESPIRATORY REACTIONS. EYES: IRRITAT ION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INGESTION: BEHAVIORAL EFFECTS (ALTERED SLEEP
TIME), GASTROINTESTINAL EFFECTS (NAUSEA/VOMITING), & LIVER EFFECTS
(JAUNDICE). SKIN/EYES: HARMFUL EFFECTS & SENSITIZATION.

First Aid:EYES/SKIN: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR
AT LEAST 15 MINS. INHALATION: REMOVE TO FRESH AIR. IF NOT
BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT,
GIVE OXYGEN. OB TAIN MEDICAL ATTENTION IN ALL CASES.

Flash Point:203F
Lower Limits:3.5%
Upper Limits:42%
Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER, ALCOHOL OR
POLYMER FOAM
Fire Fighting Procedures:WEAR SCBA/PROTECTIVE CLOTHING TO PREVENT
CONTACT W/SKIN & EYES. AUTOIGNITION TEMP: 573F.
Unusual Fire/Explosion Hazard:FORMS EXPLOSIVE MIXTURES IN AIR. VIOLENT
EXOTHERMIC REACTION W/COPPER WOOL/TRICHLOROACETIC ACID. W/POTASSIUM
PERMANGANATE IT WILL FLASH INSTANTANEOUSLY.

Spill Release Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS,
RUBBER BOOTS AND HEAVY RUBBER GLOVES. ABSORB ON SAND/VERMICULITE &
PLACE IN CLOSED CONTAINERS FOR DISPOSAL. VENTILATE AREA/WASH SPILL
SITE AFTER MATERIAL PICKU P IS COMPLETE.

Handling and Storage Precautions:DON'T BREATHE VAPOR. AVOID CONTACT
WITH EYES, SKIN, AND CLOTHING.
Other Precautions:KEEP TIGHTLY CLOSED. HANDLE & STORE UNDER NITROGEN.
STORE IN COOL DRY PLACE. THIS PRODUCT IS HYGROSCOPIC.

Ventilation:CHEMICAL FUME HOOD
Protective Gloves:HEAVY RUBBER
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:SAFETY SHOWER, EYE BATH, PROTECTIVE
CLOTHING, MASK, RUBBER BOOTS
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. REMOVE/LAUNDER
CONTAMINATED CLOTHING & SHOES BEFORE REUSE.
Supplemental Safety and Health

Boiling Pt:B.P. Text:189C
Melt/Freeze Pt:M.P/F.P Text:18.4C
Vapor Pres:0.42
Vapor Density:2.7
Spec Gravity:1.101
Appearance and Odor:COLORLESS LIQUID.

Stability Indicator/Materials to Avoid:YES
ACID CHLORIDES/PHOSPHORUS HALIDES/STRONG ACIDS/STRONG OXIDIZING
AGENTS/STRONG REDUCING AGENTS
Stability Condition to Avoid:FIRE
Hazardous Decomposition Products:CO, CO2, SULFUR OXIDES, FORMALDEHYDE,
& METHYL MERCAPTAN

Waste Disposal Methods:DISSOLVE OR MIX THE MATERIAL W/A COMBUSTIBLE
SOLVENT/BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AN AFTERBURNER
AND SCRUBBER. OBSERVE ALL FEDERAL, STATE & LOCAL LAWS CONCERNING
HEALTH & POLLUTION.

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.