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EC number: 265-198-5
CAS number: 64742-94-5
A complex combination of hydrocarbons obtained from distillation of aromatic streams. It consists predominantly of aromatic hydrocarbons having carbon numbers predominantly in the range of C9 through C16 and boiling in the range of approximately 165°C to 290°C (330°F to 554°F).
All statistically significant differences
from control were considered to be of no toxicological significance.
toxicity of inhaled toluene was assessed in Fischer-344 rats exposed to
0, 30, 100 or 300 ppm 6 h/day, 5 days/week for 6, 12 or 18 months. There
were no toxicologically significant effects on bodyweight, clinical
signs, ophthalmoscopy, haematology, blood and urine clinical chemistry,
organ weights or gross and microscopic pathology. The NOAEC for chronic
systemic and local toxicity from this study was 300 ppm (1131 mg/m3) for
an exposure duration of 18 months.
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