1,1-Diureidoisobutane
N,N''-(2-methylpropylidene)bisurea
Isobutylenediurea
IBDU
C6H14N4O2
Molecular mass: 174.2
ICSC # 1279
CAS # 6104-30-9
RTECS # YT5300000
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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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Gives off irritating or toxic fumes (or gases) in a fire.
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Explosion
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Finely dispersed particles form explosive mixtures in air.
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Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
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Exposure
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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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Protective gloves.
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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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Do not eat, drink, or smoke during work.
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Rinse mouth.
Rest.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Important Data
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Physical State; Appearance:
WHITE CRYSTALS.
Physical Dangers:
Dust explosion possible if in powder or granular form, mixed with air.
Chemical Dangers:
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 inhalation of its aerosol.
Inhalation Risk:
Effects of Short-Term Exposure:
See Notes.
Effects of Long-Term or Repeated Exposure:
See Notes.
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Physical
Properties
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Melting point: 195-205°C
Density: 0.55 g/cm3
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Solubility in water, g/100 ml at 20°C: 0.2
Octanol/water partition coefficient as log Pow: -0.9
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Environmental
Data
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N O T E S
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Toxicological tests of acute toxicity, irritancy, bacterial mutagenicity and teratogenicity have not shown significant responses.
Isodur and Floranid 32 are trade names.
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ADDITIONAL INFORMATION
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ICSC: 1279
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ISOBUTYLIDENEDIUREA
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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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