1,2-Benzenedicarboxylic acid dibutyl ester
Di-n-butyl phthalate
C16H22O4 / C6H4(COOC4H9)2
Molecular mass: 278.3
ICSC # 0036
CAS # 84-74-2
RTECS # TI0875000
UN # 3082
EC # 607-318-00-4
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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.
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NO open flames.
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Foam,
dry powder,
carbon dioxide.
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Explosion
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Exposure
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PREVENT GENERATION OF MISTS!
AVOID Exposure OF (PREGNANT) WOMEN!
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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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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.
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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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Abdominal pain.
Diarrhoea.
Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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 liquid in covered containers.
Absorb remaining liquid in vermiculite, sand or inert absorbent and remove to safe place.
Do NOT let this chemical enter the environment.
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Separated from
strong oxidants.
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T symbol
N symbol
R: 61-62-50
S: 53-45-61
UN Hazard Class: 9
UN Packing Group: III
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Important Data
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Physical State; Appearance:
COLOURLESS
TO YELLOW
VISCOUS LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
As a result of flow, agitation, etc., electrostatic charges can be generated.
Chemical Dangers:
The substance decomposes
on burning
producing toxic and irritating fumes (phthalic anhydride, ICSC 0315).
Reacts with strong oxidants.
Occupational Exposure Limits:
TLV: 5 mg/m3 as TWA (ACGIH 2001).
OSHA PEL: TWA 5 mg/m3
NIOSH REL: TWA 5 mg/m3
NIOSH IDLH: 4000 mg/m3 See: 84742
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol
and
by ingestion
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Inhalation Risk:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
Animal tests show that this substance possibly causes toxicity to human reproduction or development.
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Physical
Properties
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Boiling point: 340°C
Melting point: -35°C
Relative density (water = 1): 1.05
Solubility in water, g/100 ml at 25°C: 0.001
Vapour pressure, kPa at 20°C: < 0.01
Relative vapour density (air = 1): 9.58
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 157°C c.c.
Auto-ignition temperature: 402°C
Explosive limits, vol% in air: 0.5 (at 235°C) to about 2.5
Octanol/water partition coefficient as log Pow: 4.72
17
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Environmental
Data
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The substance is toxic to aquatic organisms.
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N O T E S
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NFPA Code: H0; F1; R0.
Transport Emergency Card: TEC (R)-90GM6-III
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ADDITIONAL INFORMATION
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ICSC: 0036
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DIBUTYL PHTHALATE
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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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