MATERIAL
SAFETY
DATA
SHEET
MSDS
2-7
DIMETHYL
SULFIDE
(DMS)
December
31,
2007
4
Stability:
Stable.
Incompatibility:
Material
can react with strong oxidizing agents.
Hazardous
polymerization:
Will
not occur.
Data
for Dimethyl Sulfide:
Acute Toxicity Data:
Oral
LD-50 (mouse):
3,700
mg/kg
Inhalation
LC-50 (rat 4-h):
40,250
ppm (102 mg/L)
Dermal
LD-50 (rat):
10,200
mg/kg
Skin
irritation (rabbit):
mild
Eye
irritation (rabbit):
severe
Subchronic
Toxicity Data:
No observed
adverse effect level > 250 mg/kg/day for 14 weeks.
Effects
of Overexposure:
Inhalation:
High
vapor concentrations may cause headache, memory loss, confusion, convulsions,
unconsciousness (lethal concentration rats (LC50), 40,250 ppm)
Eyes:
Can
cause irritation or inflammation.
Skin:
Can
cause stinging on contact with subsequent reddening and removal of skin oils.
Ingestion:
Can
cause irritation to mouth, throat, and stomach, nausea and vomiting.
Chronic:
None
identified.
Safety
Precautions: Preexisting respiratory diseases may be aggravated by exposure.
Introduction:
This
environmental effects summary is written to assist in addressing emergencies
created by an accidental spill
which might occur during the shipment of this material and, in general, it
is not meant to address discharges to
sanitary sewers or publicly owned treatment works.
Aquatic
Toxicity:
DMS
is only soluble in water to the extent of approximately 2 percent. The EC
50
(96
hour) for algae = 23 mg/L.
The
LC
50
(96
hour) for fish (rainbow trout) = 213 mg/L.
Chemical
Fate Information:
DMS
is quite volatile and will rapidly evaporate. The greatest danger from a spill
is fire. DMS is part of the
natural reduced sulfur cycle and as such is not expected to cause any long
term ecological damage.
Waste
Disposal:
Treatment,
storage, transportation and disposal must be in accordance with applicable
Federal, State/Provincial,
and Local regulations. Small quantities of DMS can be destroyed by treatment
with dilute household bleach.
This converts the DMS to DMSO and chlorinated DMSO. Incineration is
recommended for appreciable
quantities of waste DMS or DMS absorbed on flammable absorbents. Do not incinerate
sealed containers.
Empty
Containers:
Should
be transported/delivered using a registered waste carrier for recycling or
waste disposal in accordance
with local regulations.
10.
STABILITY AND REACTIVITY
11.
TOXICOLOGICAL INFORMATION
12.
ECOLOGICAL INFORMATION
13.
DISPOSAL CONSIDERATIONS