n-Nonylmercaptan
n-Nonylthiol
1-Mercaptononane
C9H20S / CH3(CH2)8SH
Molecular mass: 160.3
ICSC # 1620
CAS # 1455-21-6
UN # 3334
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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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Powder, water spray, foam, carbon dioxide.
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Explosion
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Above 78°C explosive vapour/air mixtures may be formed.
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Above 78°C use a closed system, ventilation, and explosion-proof electrical equipment.
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Exposure
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•Inhalation
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Cough.
Sore throat.
Headache.
Nausea.
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Ventilation.
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Fresh air, rest.
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•Skin
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Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
Pain.
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Safety spectacles,
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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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Headache.
Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Do NOT induce vomiting.
Give one or two glasses of water to drink.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: filter respirator for organic gases and vapours.
Collect leaking liquid in sealable containers.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
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Separated from
strong oxidants,
strong bases,
strong acids.
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UN Hazard Class: 9
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
The liquid can float on water
and may travel along the ground; distant ignition possible.
Chemical Dangers:
Reacts
violently with
oxidants,
reducing agents,
strong acids
and
strong bases.
The substance decomposes
on heating
producing
toxic and corrosive fumes,
including
hydrogen sulfide
and
sulfur oxides.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
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
is irritating to
the eyes,
the respiratory tract
and
the skin
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Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 220°C
Melting point: -20°C
Relative density (water = 1): 0.84
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Solubility in water: (very poor)
Relative vapour density (air = 1): 5.5
Flash point: 78°C c.c.
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Environmental
Data
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N O T E S
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Health effects of exposure to the substance have not been investigated adequately.
Environmental effects from the substance have not been investigated adequately.
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ADDITIONAL INFORMATION
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ICSC: 1620
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1-NONANETHIOL
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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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