Di-n-butyl ether
1,1'-Oxybis(butane)
1-Butoxybutane
C8H18O / (CH3(CH2)3)O
Molecular mass: 130.2
ICSC # 1150
CAS # 142-96-1
RTECS # EK5425000
UN # 1149
EC # 603-054-00-9
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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.
NO contact with hot surfaces.
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AFFF,
alcohol-resistant foam,
powder,
carbon dioxide.
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Explosion
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Above 25°C explosive vapour/air mixtures may be formed.
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Above 25°C use a closed system, ventilation, and explosion-proof electrical equipment.
Prevent build-up of electrostatic charges (e.g., by grounding).
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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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PREVENT GENERATION OF MISTS!
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•Inhalation
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Cough.
Drowsiness.
Sore throat.
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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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Dry skin.
Redness.
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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 spectacles.
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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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Burning sensation.
Nausea.
Sore throat.
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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.
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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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Fireproof.
Separated from
incompatible materials
:
see Chemical Dangers.
Cool.
Keep in the dark.
Store only if stabilized.
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Airtight.
Xi symbol
R: 10-36/37/38-52/53
S: 2-61
UN Hazard Class: 3
UN Packing Group: III
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID.
Physical Dangers:
As a result of flow, agitation, etc., electrostatic charges can be generated.
Chemical Dangers:
The substance can form explosive peroxides, especially in anhydrous form.
Reacts with oxidants.
Reacts
violently with nitrogen trichloride (NCl3).
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour.
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 eyes
,
the skin
and
the respiratory tract
.
The substance may cause effects on the
central nervous system
and
liver
.
Effects of Long-Term or Repeated Exposure:
The liquid defats the skin.
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Physical
Properties
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Boiling point: 142°C
Melting point: -95°C
Relative density (water = 1): 0.8
Solubility in water: none (<0.1 g/100 ml)
Vapour pressure, kPa at 20°C: 0.64
Relative vapour density (air = 1): 4.5
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.0
Flash point: 25°C
Auto-ignition temperature: 194°C
Explosive limits, vol% in air: 1.5-7.6
Octanol/water partition coefficient as log Pow: 3.08 (calc)
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Environmental
Data
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This substance may be hazardous to the environment; special attention should be given to aquatic organisms.
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N O T E S
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An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert.
Check for peroxides prior to distillation; eliminate if found.
Card has been partly updated in April 2005. See sections EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-30S1149 or 30GF1-III
NFPA Code: H 2; F 3; R 0;
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ADDITIONAL INFORMATION
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ICSC: 1150
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n-BUTYL ETHER
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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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