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EC number: 265-390-9 | CAS number: 65087-00-5
Magnusson & Kligman guinea pig maximization test (GPMT) was conducted on six Female Hartley strain albino guinea pigs to assess the dermal sensitization potential of the test chemical.
Induction treatment consisted of 3 intra-dermal injections and one topical induction. On day 0, a row of 3 injections of 0.1 ml test material emulsified mixture of Freund’s complete adjuvant and saline (1:1) in olive oil was given on each side of the 2x4 cm clipped neck . In order to enhance the sensitization, sodium lauryl sulfate 10% in petrolatum was applied on induction area for 24 h before the topical induction. On day 7, 0.5 g of 1.0% test chemicals in petrolatum were occlusively applied for 48 h. The samples were covered with lint pads which were lining with Blenderm tape.
The challenge treatment was given by open topical application. On day 21, the flank regions of the animals were clipped and shaved, and then 0.03 ml of test material in acetone was applied to the skin for 72 hrs. Observations were made 48 hrs after challenge. No positive reaction was elicited at the concentrations tested.
Hence, the test chemical was considered to be not sensitizing to guinea pig’s skin.
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