Registration Dossier
Registration Dossier
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EC number: 269-102-2 | CAS number: 68187-50-8 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77498.
Endpoint summary
Administrative data
Description of key information
There is no study available with the target substance. In a LLNA performed with the structural analogue substance Iron cobalt chromite black spinel no skin sensitizing potential was reported.
Key value for chemical safety assessment
Skin sensitisation
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not sensitising)
- Additional information:
A study according to OECD TG 429 was conducted. The test item was the structural analogue substance Iron cobalt chromite black spinel delivered in a 3:1 mixture of acetone and olive oil (AOO) with the selected test concentrations being 10%, 25% and 50%.Treatment with iron cobalt chromite black spinel at all concentrations did not reveal statistical significantly increased values for lymph node cell count. The stimulation indices of the lymph node cell count did not exceed the threshold level of 1.4. Hence, the test item is classified as not sensitizing. The threshold level for the ear weight of 1.1 was not exceeded and no increase of ear thickness was observed, i.e. no irritating properties were noted. No signs of local or systemic intolerance were recorded. The animal body weight was not affected by the treatment ( LPT Laboratory of Pharmacology and Toxicology GmbH & Co. KG, 2013).
Respiratory sensitisation
Endpoint conclusion
- Endpoint conclusion:
- no study available
Justification for classification or non-classification
Classification, Labelling, and Packaging Regulation (EC) No. 1272/2008
The available experimental test data are reliable and suitable for classification purposes. As a result the substance is not considered to be classified for skin sensitisation under Regulation (EC) No. 1272/2008, as amended for the tenth time in Regulation (EU) No. 2017/776.
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