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EC number: 231-955-3
CAS number: 7782-42-5
Summary table of results
Limit test with Expanded Graphite Powder
Number of treated rats
Number of rats showing affected reflexes
0 / 0 / 0
1/24/48 hrs after treatment
Mean of body temperature (SD)
4 hrs after treatment
37.5 °C (0.6 °C)
Number of dead animals within 14-day post-observation period
Rats showing abnormalities in gross pathology on day 14 of post-observation period
Terminal body weights
Wistar WU, females
Terminal body weights (g) day 14
(means with standard deviation)
February 8, 2010
February 10, 2010
female Wistar rats received a single oral gavage dose of the test item Expanded
Graphite Powder suspended in water, and administered at a dose of
2000 mg/kg body weight.
of the animals showed any clinical signs of reaction to treatment.
animals showed a continuous increase of body weights throughout the
six animals were killed as scheduled at study termination (after a
14-day observation period).
animals did not show any abnormalities upon macroscopic examination.
the results observed in this acute oral toxicity study the following
classification was derived for test item Expanded Graphite Powder:
Unclassified (according to Regulation (EC) No 1272/2008).
LD50was not determined in this study. An experimentally
determined LD50 is estimated to be > 2000 mg/kg body weight.
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