Tri-n-butylamine
N,N-Dibutyl-1-butanamine
Tris-n-butylamine
(CH3CH2CH2CH2)3N
Molecular mass: 185.3
ICSC # 1048
CAS # 102-82-9
RTECS # YA0350000
UN # 2542
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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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Powder, water spray, foam, carbon dioxide.
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Explosion
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Above 63°C explosive vapour/air mixtures may be formed.
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Above 63°C use a closed system, ventilation.
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Exposure
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•Inhalation
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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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Redness.
Pain.
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Protective gloves.
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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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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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Personal protection: filter respirator for ammonia and organic ammonia derivatives (K filter).
Collect leaking liquid in sealable containers.
Cover the spilled material with absorbent.
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Dry.
Separated from
strong oxidants,
strong acids,
food and feedstuffs
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Do not transport with food and feedstuffs.
UN Hazard Class: 6.1
UN Packing Group: II
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Important Data
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Physical State; Appearance:
COLOURLESS
TO YELLOW
HYGROSCOPIC LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
The vapour is heavier than air.
Chemical Dangers:
The substance decomposes
on burning
producing
toxic gases
including
nitrogen oxides
.
The substance is a weak base.
Reacts
with
oxidants
and
strong acids
.
Occupational Exposure Limits:
TLV not established.
MAK: IIb (not established but data is available) (DFG 2004).
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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:
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 skin
and
is mildly irritating to
the eyes
.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 216-217°C
Melting point: -70°C
Relative density (water = 1): 0.78
Solubility in water, g/100 ml at 20°C: 0.3
Vapour pressure, Pa at 20°C: 40-93
Relative vapour density (air = 1): 6.4
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.0
Flash point: 63°C c.c.
Auto-ignition temperature: 210°C
Explosive limits, vol% in air: 1.4-6
Octanol/water partition coefficient as log Pow: 1.52
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Environmental
Data
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N O T E S
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Transport Emergency Card: TEC (R)-61GT1-II
NFPA Code: H3; F2; R0
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ADDITIONAL INFORMATION
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ICSC: 1048
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TRIBUTYLAMINE
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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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