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EC number: 216-372-4
CAS number: 1569-01-3
Six male rats were exposed for four hours to vapors of propylene glycol
propyl ether (PnP) at a nominal concentration of 1725 ppm. This was the
highest concentration attainable at room temperature (25°C).
Simultaneously, 6 male rats (serving as controls) were housed in a
chamber supplied with clean, filtered air. Animals exposed to the test
material appeared to be slightly lethargic during exposure. Mean body
weights of exposed animals were comparable to to control values
throughout the two week observation period and each animal appeared to
be within normal health limits. No mortality was encountered in
association with exposure to this test material. Based on the results of
this study, PnP should not pose any significant acute inhalation hazards
in humans. A slight sedative effect may occur however, with prolonged
exposure to saturadted atmospheres.
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