Registration Dossier
Registration Dossier
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EC number: 214-160-6 | CAS number: 1103-38-4
Water solubility
Administrative data
Link to relevant study record(s)
Description of key information
- Measured immediately: 1860 µg/L at 23°C
- Measured after one week: <29 µg/L at 23°C
Key value for chemical safety assessment
Additional information
The solubility was determined by flask method based on OECD Guideline 105 and the ETAD method. The concentration was quantified by HPLC with UV/Vis absorption.
The pigment-solutions were not stable. After ca. one week an agglomeration of the pigment can be observed (especially in water). So there are two different results given for this pigment.
One measurement was made immediately after filtraton of the pigment. The clear solution was injected in the HPLC. The second measurement was made after one week. The solution shows an agglomeration of the pigment. This pigment was filtrated again and the clear solution was injected in the HPLC.
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