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ISOBUTYLIDENEDIUREA ICSC: 1279
March 1998
1,1-Diureidoisobutane
N,N''-(2-methylpropylidene)bisurea
Isobutylenediurea
IBDU

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CAS # 6104-30-9 C 6H 1 4N 4O 2
RTECS # YT5300000 Molecular mass: 174.2

TYPES OF
HAZARD /
EXPOSURE
ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID /    FIRE FIGHTING   
FIRE Gives off irritating or toxic fumes (or gases) in a fire.


EXPLOSION Finely dispersed particles form explosive mixtures in air.
Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.

EXPOSURE


Inhalation
Local exhaust.
Fresh air, rest.
Skin
Protective gloves.
Rinse and then wash skin with water and soap.
Eyes
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work.
Rinse mouth. Rest.

SPILLAGE DISPOSAL PACKAGING & LABELLING



EMERGENCY RESPONSE STORAGE



IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
WHITE CRYSTALS.

PHYSICAL DANGERS:
Dust explosion possible if in powder or granular form, mixed with air.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established. MAK not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol.

EFFECTS OF SHORT-TERM EXPOSURE:
See Notes.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
See Notes.

PHYSICAL PROPERTIES
Melting point: 195-205°C
Density: 0.55 g/cm 3
Solubility in water, g/100 ml at 20°C: 0.2
Octanol/water partition coefficient as log Pow: -0.9

ENVIRONMENTAL DATA


NOTES
Toxicological tests of acute toxicity, irritancy, bacterial mutagenicity and teratogenicity have not shown significant responses. Isodur and Floranid 32 are trade names.

IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission

© IPCS 1999
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


Updated by AS. Approved by EC. Last update: 10.10.2000.