2,2-Diphenyl-N,N-dimethylacetamide
N,N-Dimethyldiphenylacetamide
C16H17NO
Molecular mass: 239.3
ICSC # 0763
CAS # 957-51-7
RTECS # AB8050000
EC # 616-007-00-2
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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, alcohol-resistant foam, water spray, carbon dioxide.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Local exhaust.
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Fresh air, rest.
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•Skin
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Rinse and then wash skin with water and soap.
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•Eyes
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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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Vomiting.
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Do not eat, drink, or smoke during work.
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Induce vomiting (ONLY IN CONSCIOUS PERSONS!).
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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Do NOT let this chemical enter the environment.
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting,
then remove to safe place.
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Separated from
strong acids,
bases
and
strong oxidants.
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Xn symbol
R: 22-52/53
S: (2)-61
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Important Data
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Physical State; Appearance:
WHITE
SOLID IN VARIOUS FORMS.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating at 210°C
and
on burning
producing
toxic and corrosive gases
including
nitrogen oxides
.
Reacts
bases
,
strong acids
,
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
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point: 135°C
Density: 1.2
g/cm3
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Solubility in water, g/100 ml at 27°C: 0.03
Octanol/water partition coefficient as log Pow: 2.17
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Environmental
Data
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The substance is harmful to aquatic organisms.
This substance does enter the environment under normal use. Great care, however, should be given to avoid any additional release, e.g. through inappropriate disposal.
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N O T E S
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Carrier solvents used in commercial formulations may change physical and toxicological properties.
L 34314, Dymid, Enide are trade names.
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ADDITIONAL INFORMATION
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ICSC: 0763
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DIPHENAMID
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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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