DIMETHYL DISULFIDE 1586
April 2005
Methyl disulfide
CAS No: 624-92-0
Disulfide, dimethyl-
RTECS No: JO1927500
C2H6S2
UN No: 2381
Molecular mass: 94.2
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
Highly flammable. Gives off NO open flames, NO sparks, and Powder, water spray, foam, carbon
FIRE
irritating or toxic fumes (or gases) NO smoking. dioxide.
in a fire.
Above 24/C explosive vapour/air Above 24/C use a closed system, In case of fire: keep drums, etc.,
EXPLOSION
mixtures may be formed. ventilation, and explosion-proof cool by spraying with water.
electrical equipment.
EXPOSURE
Headache. Nausea. Dizziness. Ventilation, local exhaust, or Fresh air, rest. Refer for medical
Inhalation
Drowsiness. breathing protection. attention.
Redness. Protective gloves. Remove contaminated clothes.
Skin
Rinse and then wash skin with water
and soap.
Redness. Pain. Safety goggles. First rinse with plenty of water for
Eyes
several minutes (remove contact
lenses if easily possible), then take
to a doctor.
(See Inhalation). Do not eat, drink, or smoke during Rinse mouth. Give a slurry of
Ingestion
work. activated charcoal in water to drink.
Do NOT induce vomiting. Refer for
medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Evacuate danger area! Consult an expert! Personal UN Hazard Class: 3
protection: filter respirator for organic gases and UN Pack Group: II
vapours. Ventilation. Remove all ignition sources.
Collect leaking liquid in sealable containers. Do NOT
wash away into sewer.
EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-30GF1-I+II Fireproof. Store in an area without drain or sewer access.
IPCS Prepared in the context of cooperation between the International
Programme on Chemical Safety and the European Commission 漏
International IPCS 2005
Programme on
Chemical Safety SEE IMPORTANT INFORMATION ON THE BACK.
1586 DIMETHYL DISULFIDE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
LIQUID, WITH CHARACTERISTIC ODOUR. The substance can be absorbed into the body by inhalation and
by ingestion.
Chemical dangers
Inhalation risk
The substance decomposes on burning producing toxic and
corrosive fumes including sulfur oxides. Reacts violently with No indication can be given about the rate in which a harmful
oxidants. concentration in the air is reached on evaporation of this
substance at 20/C.
Occupational exposure limits
Effects of short-term exposure
TLV not established.
MAK not established. The substance is mildly irritating to the skin and is irritating to
the eyes and the respiratory tract. The substance may cause
effects on the central nervous system.
PHYSICAL PROPERTIES
Boiling point: 110/C Relative density of the vapour/air-mixture at 20/C (air = 1): 1.08
Melting point: -85/C Flash point: 24/C c.c.
Relative density (water = 1): 1.06 Auto-ignition temperature: >300/C
Solubility in water, g/100 ml at 20/C: 0.25 (very poor) Explosive limits, vol% in air: 1.1-16
Vapour pressure, kPa at 25/C: 3.8 Octanol/water partition coefficient as log Pow: 1.77
ENVIRONMENTAL DATA
NOTES
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE
漏IPCS 2005
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