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EC number: 237-489-7 | CAS number: 13815-17-3
In an OECD Guideline study, to GLP, undiluted tetraammine palladous chloride (100 mg, powdered) was instilled into the right eye of each of six New Zealand. The contralateral eye remained untreated and was used for control purposes. In half of the animals, the eyes were rinsed after 30 seconds with 100 ml of sterile distilled water.
Moderate to severe irritation was observed in the ‘non-rinsed group’, which (although had reduced in severity) was not fully reversible in two of the 3 rabbits within seven days after treatment. When the eyes were rinsed after a 30 second exposure, the test substance caused severe eye irritation in all three rabbits which (although had reduced in severity) still persisted at day 7 in two of the animals. No clinical signs of systemic toxic effects were reported.
Overall, tetraammine palladous chloride caused severe irritation to the eye of rabbits observed for a seven day period. Classification as an eye irritant (category 2), is required on the basis of the findings of this study and according to EU CLP criteria (EC 1272/2008).
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