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EC number: 826-490-3 | CAS number: 1971906-58-7
The test item showed no non-specific MTT-reducing potential but it showed colouring after mixture with isopropanol. Therefore, NSClivingwas determined. No correction of results was necessary because NSClivingwas below 5% (3 min treatment: 0.3%; 60 min treatment: 0.6%).
The test item showed no corrosive effects. The mean relative tissue viability (% negative control) was³ 50% (104.7%) after 3 min treatment and³ 15% (93.8%) after 60 min treatment.
In the present study the skin corrosivity potential of the test item was analysed. Since corrosive chemicals are cytotoxic after a short time exposure to the stratum corneum of the epidermis the cytotoxic effects of the test item on EpiDermÔ, a reconstituted three-dimensional human epidermis model, were determined. Hereby, the test item was applied topically. Cytotoxicity is expressed as the reduction of mitochondrial dehydrogenase activity measured by formazan production from MTT after a 3 min and 60 min exposure period and compared to those of the concurrent negative controls.
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