Cyclohexanamine
Aminocyclohexane
Aminohexahydrobenzene
Hexahydroaniline
C6H11NH2 / C6H13N
Molecular mass: 99.2
ICSC # 0245
CAS # 108-91-8
RTECS # GX0700000
UN # 2357
EC # 612-050-00-6
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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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Powder, alcohol-resistant foam, water in large amounts, carbon dioxide.
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Explosion
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Above 28°C explosive vapour/air mixtures may be formed.
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Above 28°C 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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AVOID ALL CONTACT!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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Burning sensation.
Cough.
Laboured breathing.
Nausea.
Vomiting.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Half-upright position.
Refer for medical attention.
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•Skin
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Redness.
Pain.
Skin burns.
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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.
Severe deep burns.
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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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Dizziness.
Abdominal cramps.
Burning sensation.
Vomiting.
Abdominal pain.
Shock or collapse.
Nausea.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Do NOT induce vomiting.
Refer for medical attention.
Give plenty 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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Evacuate danger area!
Collect leaking liquid in sealable containers.
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
acids,
oxidants
,
aluminium
,
copper
,
zinc
,
food and feedstuffs
.
Well closed.
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Do not transport with food and feedstuffs.
C symbol
R: 10-21/22-34
S: 1/2-36/37/39-45
UN Hazard Class: 8
UN Subsidiary Risks: 3
UN Packing Group: II
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Important Data
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Physical State; Appearance:
COLOURLESS
TO YELLOW
LIQUID
, WITH PUNGENT ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic and corrosive fumes
including
nitrogen oxides
.
The substance is a strong base, it reacts violently with acid and is corrosive.
Reacts
violently with
strong oxidants
causing fire hazard.
Attacks aluminium,copper,zinc.
Occupational Exposure Limits:
TLV: 10 ppm as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
MAK: 2 ppm, 8.2 mg/m3
Peak limitation category: I(2); Pregnancy risk group: C;
(DFG 2004).
OSHA PEL: none
NIOSH REL: TWA 10 ppm (40 mg/m3)
NIOSH IDLH: N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation,
through the skin
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 corrosive to
the eyes,
the skin
and
the respiratory tract.
Corrosive on ingestion.
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: 134.5°C
Melting point: -17.7°C
Relative density (water = 1): 0.86
Solubility in water: miscible
Vapour pressure, kPa at 20°C: 1.4
Relative vapour density (air = 1): 3.42
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.03
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Flash point:
28°C c.c.
Auto-ignition temperature: 293°C
Explosive limits, vol% in air: 1.5-9.4
Octanol/water partition coefficient as log Pow: 1.4
Viscosity (Pa x s): 2.10 (20°C)
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Environmental
Data
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The substance is harmful to aquatic organisms.
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N O T E S
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Card has been partly updated in October 2005. See sections Occupational Exposure Limits.
Transport Emergency Card: TEC (R)-80S2357
NFPA Code: H 2; F 3; R 0
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ADDITIONAL INFORMATION
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ICSC: 0245
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CYCLOHEXYLAMINE
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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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