Page 148 - Handbook of Hazardous Chemical Properties

138 DDlETHnSULFIDE
immediately; administer 1009% oxygen, even if no injury is apparent, and continue for 30 min. each
hour for 6 hours; give artificial respiration if breathing is weak or fails, but do not interrupt oxygen
therapy; if victim’s coughing prevents use of a mask, use oxygen tent under atmospheric pressure.
INGESTION: do NOT induce vomiting. SKIN: wash thoroughly. EYE: flush with running water for
at least 15 min.; Toxicity by Inhalation (7hreshold Limit Value): 1 ppm; Short-Tenn Qvosure Limits:
Data not available; Toxicity by Ingestion: Grade 3; 50 to 500 mg/kg (rat); Lute Toxicity: Causes birth
defects in rats (malignant tumors in nervous system); Vapor (Gas) Irritant Characteristics: Vapors
cause severe irritation of eye and throat and can cause eye and lung injury. They cannot be tolerated
even at low concentrations; Liquid or Solid Irritant Characteristics: Severe skin irritant. Causes second-
and third-degree burns on short contact; very injurious to the eyes; Odor lhreshold: Data not available.
Fire Hazards - Flash Point (&g. F): 240 OC; 182 CC; Flammable Limits in Air (96): Data not
available; Fire Extinguishing Agents: Water, foam, carbon dioxide, or dry chemical; Fire Extinguishing
Agents Not to be Used: Not pertinent; special Hazards of Combustion Products: Flammable, toxic
vapors generated; Behavior in Fire: Not pertinent; Ignition Temperature (deg. F): 370; Electrical
Hazard: Not pertinent; Burning Rate: Data not available.
Chemical Reactivity - Reactivity with Water: Slow, non-hazardous reaction; Reactivity with Common
Materials: Corrodes metal when wet; Stability During Transport: Stable; Neutralizing Agents forAcids
and Caustics: Sodium bicarbonate or lime; Polymerization: Not pertinent; Inhibitor of Polymerization:
Not pertinent.

DIMETHYL SULFIDE
Chemical Designations - Synonyms: DMS; Methanethiomethane; Methyl Sulfide; 2-Thiapropane;
Chemical Formulu: (CH,),S.
Observable Characteristics - Physical State (as normally shipped) : Liquid; Color: Colorless to straw;
Odor: Ethereal, permeating; disagreeable; offensive.
Physical and Chdcal Properties - Physical State at I5 “c and I atm. : Liquid; Molecular Weight:
62.1; Boiling Point at I atm.: 99,37,310; Freezing Point: -144, -98, 175; Critical Temperature: 444,
229, 502; Critical Pressure: 826, 56.1, 5.69; Speczpc Gravity: 0.85 at 20°C (liquid); Vapor (Gas)
Density: 2.14; Ratio of Specific Heats of Vqor (Gas): 1.1277 at 16°C; Latent Heat of Vaporim‘on:
194, 108, 4.52; Heat of Combustion: -13,200, -7,340, -307; Heat of Decomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Respirator with organic
vapor canister; rubber or plastic gloves; goggles or face shield; Symptoms Following Exposure:
Inhalation causes moderate irritation of upper respiratory system. Contact of liquid with eyes causes
moderate irritation. Repeated contact with skin may extract oils and result in irritation. Ingestion causes
nausea and irritation of mouth and stomach; General Treatment for Esposure: INHALATION: remove
victim to fresh air at once; enforce rest, and keep warm; get medical attention immediately. EYES:
flush with water for at least 15 min.; if irritation persists, get medical attention. SKIN: flush with
plenty of water and wash thoroughly; get treatment for any lasting irritation. INGESTION: if large
amounts are swallowed, induce vomiting by ticking the back of the throat with the finger or by giving
an emetic such as two tablespoons of common salt in a glass of warm water; get medical attention;
Toxicity by Inhalation (7hresholdLimit Value): Data not available; Short-Tenn Exposure Limits: Data
not available; Toxicity by Ingestion: Grade 2; oral LD, 535 mg/kg (rat); Late Toxicity: Data not
available; Vqor (Gas) Zm.tant Characteristics: Vapors cause severe irritation of eye and throat and can
cause eye and lung injury. They cannot be tolerated even at low concentrations; Liquid or Solid Im’tant
Characteristics: Causes smarting of the skin and first-degree burns on short exposure and may cause
second-degree burns on long exposure; Odor Threshold 0.001 ppm.
Fire Hazards - Flash Point (deg. F): - 36 CC; Flammable Limits in Air (%): 2.2 - 19.7; Fire
Extinguishing Agents: January 27, 1998ry chemical, foam, carbon dioxide, or alcohol foam; Fire
Extinguishing Agents Not to be Used: Water may be ineffective; special Hazards of Combustion
Products: Toxic and irritating sulfur dioxide is formed; Behavior in Fire: Vapor is heavier than air and
may travel considerable distance to source of ignition and flash back; Ignition Temperature (deg. F):
403; Electrical Hazard: Data not available; Burning Rate: 4.8 mm/min.