Registration Dossier
Registration Dossier
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EC number: 269-047-4 | CAS number: 68186-85-6 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77377.
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
The product C.I. Pigment Green 50 (without and including its impurity Ni titanate) is with high probability acutely not harmful to fish.
Key value for chemical safety assessment
Additional information
The results of a semi-static exposure test on Oryzias latipes as accomplished by MOE (2001) and a static exposure test on Leuciscus idus conducted by BASF AG (1988) indicate that C.I. Pigment Yellow 53 and thus, P.I Pigment Green 50 itself has no toxic effects in the range of its water solubility.
Furthermore, the acute reference values of 120 and 68 µg Ni/L for pH 6.0 and 8.0 are well above of the Ni concentration after two different loading rats of P.I Pigment Green 50 (including the impurity Ni titanate): The concentrations were 3 and 40 µg Ni/L at pH 5.5 and < 1 and 17 µg Ni/L at pH 8.5 at loadings of 1 and 100 mg P.I Pigment Green 50/L, respectively.
Therefore, with a high probability the impurity Ni titanate is acutely not harmful to aquatic organisms.
For details regarding the concentrations of Ni after different P. I Pigment Green 50 loading rates according to the T/D Protocol (OECD 29) please see document attached in chapter 1.4. The Ecotoxicity Reference Values (ERVs) were taken from a document of the Nickel Consortia, 2010: Environmental Read-across approach. Please see attachment under endpoint summary "Ecotoxicological information".
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