Hexadecyl mercaptan
1-Mercaptohexadecane
Cetyl mercaptan
Hexadecane-1-thiol
CH3(CH2)15SH / C16H34S
Molecular mass: 258.5
ICSC # 0025
CAS # 2917-26-2
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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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Foam,
carbon dioxide,
powder
.
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Explosion
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Exposure
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•Inhalation
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Cough.
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.
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Safety goggles,
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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Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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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.
Carefully collect remainder.
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Separated from
strong oxidants,
reducing agents,
metals
,
acids.
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Important Data
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Physical State; Appearance:
LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic gases
including
sulfur oxides
.
Reacts
violently with
strong oxidants
,
acids
,
reducing agents
,
metals
.
Occupational Exposure Limits:
TLV not established.
MAK not established.
OSHA PEL: none
NIOSH REL: C 0.5 ppm (5.3 mg/m3) 15-minute
NIOSH IDLH: N.D. See: IDLH INDEX
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Routes of Exposure:
Inhalation Risk:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C
Effects of Short-Term Exposure:
The substance
is mildly irritating to
the eyes
,
the skin
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point: 18°C
Relative density (water = 1): 0.84
Solubility in water:
none
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Vapour pressure, Pa at 20°C: 10
Relative vapour density (air = 1): 8.9
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 135°C o.c.
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Environmental
Data
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N O T E S
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Auto-ignition temperature is unknown in literature.
Health effects of exposure to the substance have not been investigated adequately.
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ADDITIONAL INFORMATION
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ICSC: 0025
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1-HEXADECANETHIOL
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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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