2-Hydroxyethanethiol
Monothioethyleneglycol
Thioglycol
C2H6OS / HSCH2CH2OH
Molecular mass: 78.1
ICSC # 0916
CAS # 60-24-2
RTECS # KL5600000
UN # 2966
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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.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Above 74°C explosive vapour/air mixtures may be formed.
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Above 74°C closed system, ventilation.
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Exposure
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PREVENT GENERATION OF MISTS!
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•Inhalation
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Shortness of breath.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Half-upright position.
Artificial respiration may be needed.
Refer for medical attention.
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•Skin
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Redness.
Pain.
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Protective gloves,
protective clothing.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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Face shield,
or eye protection in combination with breathing protection.
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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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Do not eat, drink, or smoke during work.
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Rinse mouth.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
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Separated from oxidants, metals,
food and feedstuffs.
Keep in a well-ventilated room.
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Do not transport with food and feedstuffs.
UN Hazard Class: 6.1
UN Packing Group: I
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing toxic gases of sulfur oxides.
Reacts with oxidants and metals.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour,
through the skin and
by ingestion.
Inhalation Risk:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
irritates the eyes, the skin, and the respiratory tract.
The substance may cause effects on central nervous system.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 157°C
Melting point: <-100°C
Relative density (water = 1): 1.1
Solubility in water: miscible
Vapour pressure, kPa at 20°C: 0.13
Relative vapour density (air = 1): 2.7 (calculated)
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.002
Flash point: 74°C o.c.
Auto-ignition temperature: 295°C
Explosive limits, vol% in air: 2.3-18
Octanol/water partition coefficient as log Pow: -0.3 (estimated)
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Environmental
Data
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N O T E S
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Transport Emergency Card: TEC (R)-61G61b
NFPA Code: H2; F2; R;
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ADDITIONAL INFORMATION
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ICSC: 0916
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2-MERCAPTOETHANOL
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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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