Cyclohexyl mercaptan
C6H11SH
Molecular mass: 116.2
ICSC # 0032
CAS # 1569-69-3
RTECS # GV7525000
UN # 3054
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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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Flammable.
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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 43°C explosive vapour/air mixtures may be formed.
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Above 43°C use a closed system, ventilation, and explosion-proof electrical equipment.
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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•Inhalation
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Cough.
Dizziness.
Headache.
Nausea.
Drowsiness.
Vomiting.
Weakness.
Unconsciousness.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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Redness.
Pain.
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Protective gloves.
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Remove contaminated clothes.
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,
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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(See Inhalation).
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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: self-contained breathing apparatus.
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Fireproof.
Separated from reducing agents,
metals
,
strong oxidants.
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UN Hazard Class: 3
UN Packing Group: III
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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 gasesincluding sulfur dioxide (see ICSC 0074).
Reacts
with
strong oxidants
,
reducing agents
and
metals
.
Occupational Exposure Limits:
TLV not established.
MAK not established.
OSHA PEL: none
NIOSH REL: C 0.5 ppm (2.4 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,
and
by ingestion.
Inhalation Risk:
A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
,
the skin
and
the respiratory tract
.
Exposure may result in lowering of consciousness.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 158°C
Melting point: -118°C
Relative density (water = 1): 0.98
Solubility in water:
none
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Vapour pressure, kPa at 20°C: 1.3
Relative vapour density (air = 1): 4.0
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.04
Flash point: 43°C c.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.
Explosive limits are unknown in literature, although the substance is combustible and has a flash point < 61°C.
Transport Emergency Card: TEC (R)-30GFI-II
NFPA Code: H; F 2; R 0;
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ADDITIONAL INFORMATION
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ICSC: 0032
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CYCLOHEXANETHIOL
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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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