Registration Dossier
Registration Dossier
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EC number: 240-383-3 | CAS number: 16291-96-6 An amorphous form of carbon produced by partially burning or oxidizing wood or other organic matter.
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation / corrosion
- Adequacy of study:
- weight of evidence
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
Data source
Materials and methods
Test system
- Details on study design:
- Negative control: Dulbecco’s Phosphate Buffered Saline (DPBS) without CaCl2 and MgCl2
One plate (three tissues) was used as negative control; each tissue was treated with 30 µL DPBS buffer
Positive control: Sodium dodecyl sulphate (SDS), CAS No. 151-21-3, solution in deionised H2O, concentration 50 g/L
One plate (three tissues) was used as positive control; each tissue was treated with 30 µL SDS-solution
Test item: ground charcoal comprised of particles < 100 µm about 25 mg
One plate (three tissues) was used for treatment with the test item
Experimental performance:
After dosing the tissues with negative control, positive control and test item, they were incubated at 37 °C for 35 min. After 60 min a rinsing step and two incubation periods at 37°C over a total period of 42 h followed.
After incubation, a MTT assay was performed and formazan production was measured by a spectral photometer at 570 nm.
Results and discussion
Applicant's summary and conclusion
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