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EC number: 204-066-3
CAS number: 115-11-7
were exposed to isobutylene (2-methylpropene) at target concentrations
up to 10000 ppm (22948 mg/m3) for 2 days (6 hours/day). A statistically
significant increase in micronucleus formation in mouse bone marrow was
not observed therefore isobutylene was not clastogenic in mouse bone
marrow. Positive and negative control compounds gave the expected
results indicating that the method was robust.
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