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EC number: 245-629-3 | CAS number: 23386-52-9
Approximately 300 mg of the Butanedioic acid, sulfo-, 1,4 -dicyclohexyl ester, sodium salt, >90% pure (2.5% in petrolatum) was applied to patch sites on the backs or volar forearms of 100 subjects for ten alternate-day 24 hour periods under occlusion. Following a seven-day rest period, challenge patches of the test item (1.0% in petrolatum) were applied in the same manner to fresh sites on the backs or volar forearms of all 100 subjects for 24 hours. Challenge sites were read on removal of the patch and 24 hours thereafter.There were no instances of irritation or sensitization from this test item on the Draize-Shelanski Test. It is unlikely that this test item would present a danger of irritation or sensitization in normal, intended use.
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