MATERIAL
SAFETY
DATA
SHEET
MSDS
#GCC3-5
DIMETHYL
SULFONE (DMSO
2
)
September
14,
2007
2
Skin
Contact:
Wash
skin if irritation occurs.
Ingestion:
Ingestible
orally up to 30 grams per day with no known toxicity. If significant amounts
of the
product have been ingested, consult a physician.
Note to Physicians: Treat symptomatically and supportively.
Inhalation:
Remove
to fresh air. If breathing has stopped, provide artificial respiration and
seek medical
attention.
Flashpoint
and method:
143
o
C (290
o
F) closed
cup
Flammable
Limits (% in air):
LEL:
Undetermined
UEL: Undetermined
Autoignition
Temperature:
Undetermined
Extinguishing
Media:
Foam,
carbon dioxide, dry powder, and water spray.
Special
protective equipment for fire-fighters:
Wear
a Self-Contained Breathing Apparatus (SCBA).
Special
Exposure Hazards:
Burning
dimethyl sulfone produces poisonous gases (sulfur oxides).
Spill,
Leak, or Release:
Note: Review sections 3, 4, 5 and 8 of this MSDS before proceeding with
clean up. Use appropriate
PERSONAL PROTECTIVE EQUIPMENT during clean up.
Initial Containment: If a spill occurs, immediately consult your environmental
supervisor.
Spill
Clean-up Methods:
Spills
may be swept up and incinerated or diluted and flushed to wastewater treatment.
Do not
allow the material to enter streams or waterways.
Usage/Handling
Precautions:
Avoid
contact with eyes or skin. Do not smoke in areas of storage or use.
Skin or clothing that becomes contaminated should be immediately washed or
showered.
Storage
Precautions:
Store
away from strong oxidizing agents in a well ventilated cool and dry location.
Protect containers from physical damage.
Exposure
Limits:
ACGIH
Threshold Limit Value (TLV): not established
OSHA (USA) Permissible Exposure Limit (PEL, 1989 Table Z-1-A values or section-specific
standards): not established
Ventilation:
Use
adequate general or local exhaust ventilation to keep airborne concentration
low.
5.
FIRE-FIGHTING MEASURES
6.
ACCIDENTAL RELEASE MEASURES
7.
HANDLING AND STORAGE
8.
EXPOSURE CONTROLS/PERSONAL PROTECTION