2,2`-Thiodiethanol
Di(2-hydroxyethyl) sulfide
Diethanolsulfide
Thiodiethylene glycol
C4H10O2S
Molecular mass: 122.2
ICSC # 1601
CAS # 111-48-8
RTECS # KM2975000
EC # 603-081-00-6
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
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NO open flames.
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Water spray.
Foam.
Alcohol-resistant foam.
Carbon dioxide.
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Explosion
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Exposure
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•Inhalation
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Cough.
Nausea.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse skin with plenty of water or shower.
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•Eyes
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Redness.
Pain.
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Safety goggles
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Diarrhoea.
Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Do NOT induce vomiting.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: protective gloves, safety goggles.
Collect leaking liquid in covered containers.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
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See Chemical Dangers.
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Xi symbol
R: 36
S: (2)
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Important Data
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Physical State; Appearance:
VISCOUS
COLOURLESS LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing
toxic and corrosive fumes
including
acetic acid fumes
,
hydrogen sulfide
and
sulfur oxides
.
Reacts
violently with
strong acids
and
strong oxidants
to produce
hydrogen sulfide
.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying.
Effects of Short-Term Exposure:
The substance
is mildly irritating to
the eyes
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point: -18 - -10°C
Relative density (water = 1): 1.18
Solubility in water, g/100 ml at 20°C: 100
Vapour pressure, Pa at 25°C: 0.43
Relative vapour density (air = 1): 4.22
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Flash point: 160°C o.c.
Auto-ignition temperature: 260°C
Explosive limits, vol% in air: 1.2-5.2
Octanol/water partition coefficient as log Pow: -0.75
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Environmental
Data
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N O T E S
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The boiling point is higher than the autoignition temperature.
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ADDITIONAL INFORMATION
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ICSC: 1601
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THIODIGLYCOL
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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