Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 270-185-2 | CAS number: 68412-38-4 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77899.
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
No effects on Pseudomonas putida in the oxygen consumption test (EC10 5680 mg/L)
Key value for chemical safety assessment
Additional information
No studies on the toxicity of C.I. Pigment Yellow 164 to microorganisms are available. However a study performed with the structural analogue substance C.I. Pigment Yellow 53 according to DIN 38412 Part 27 (draft) proved that the substance is not toxic to Pseudomonas putida in the range of its water solubility. An EC10 (30 min) of 5680 mg/L was determined.
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