Decyl mercaptan
C10H21SH
Molecular mass: 174.3
ICSC # 0035
CAS # 143-10-2
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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.
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NO open flames, NO sparks, and NO smoking.
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Foam,
carbon dioxide,
powder
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Explosion
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Above 98°C explosive vapour/air mixtures may be formed.
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Above 98°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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Dizziness.
Headache.
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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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Severe deep burns.
Pain.
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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.
Dizziness.
Drowsiness.
Headache.
Weakness.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give plenty of water to drink.
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.
Personal protection:
filter respirator for organic gases and vapours.
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Separated from
strong oxidants,
strong bases.
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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 burning
producing
toxic gases
including
sulfur dioxide (see ICSC 0074).
Reacts
with
strong bases
and
strong oxidants
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Occupational Exposure Limits:
TLV not established.
MAK not established.
OSHA PEL: none
NIOSH REL: C 0.5 ppm (3.6 mg/m3) 15-minute
NIOSH IDLH: N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol,
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
is corrosive to
the eyes.
The substance may cause effects on the central nervous system.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 241°C
Melting point: -26°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): 6.0
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 98°C
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Environmental
Data
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 0035
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1-DECANETHIOL
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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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