1-Butoxy-2-propanol
n-Butoxypropanol
C7H16O2 / CH3CH(OH)CH2O(CH2)3CH3
Molecular mass: 132.23
ICSC # 1614
CAS # 5131-66-8
RTECS # UA7700000
EC # 603-052-00-8
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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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Water spray, foam, powder, 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, and explosion-proof electrical equipment.
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Exposure
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•Inhalation
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Ventilation.
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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
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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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Collect leaking liquid in sealable containers.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Then wash away with plenty of water.
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Keep in the dark.
Separated from
strong oxidants.
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Xi symbol
R: 36/38
S: (2)
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Important Data
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Physical State; Appearance:
CLEAR COLOURLESS LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance can presumably form explosive peroxides.
Reacts
with
strong oxidants
.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
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 eyes
and
the skin
.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 171°C
Melting point: below -75°C
Relative density (water = 1): 0.879 at 25°C
Solubility in water, g/100 ml : 6
(moderate)
Vapour pressure, kPa at 25°C: 0.187
Relative vapour density (air = 1): 4.55
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.007
Flash point: 63 °C c.c.
Auto-ignition temperature: 260°C
Explosive limits, vol% in air: 1.1 at 80 °C. - 8.4 at 145 °C
Octanol/water partition coefficient as log Pow: 1.15 (calculated)
Viscosity, mm2/s at 25 °C: 2.9
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Environmental
Data
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N O T E S
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Check for peroxides prior to distillation; eliminate if found.
Card has been partially updated in : see Physical Properties.
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ADDITIONAL INFORMATION
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ICSC: 1614
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PROPYLENE GLYCOL 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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