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EC number: 603-094-7
CAS number: 125904-11-2
In an acute inhalation study, two groups of
5 male rats were exposed whole-body to a target concentration of 2 mg/L.
Nominal concetrations were 3.1 and 2.8 mg/L, respectively, for the first
and second group. Animals were observed during exposure and for 2 days
thereafter. Body weight was recoded prior to exposure and on days 2 and
3. No necropsy was performed.
No mortality occurred. Reactions during
exposure included lacrimation, clear nasal discharge, inactivity, and
rapid, shallow breathing. All animals appeared normal in the afternoon
following exposure and during the two days after exposure. Mean body
weight increased duirng the 3 days of test.
The LC50 (1 hour) of dibromostyrene was
greater than 2 mg/L (target concentration).
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