Registration Dossier
Registration Dossier
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Reaction mass of Amines, C10-14-branched and linear alkyl, bis[2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)]chromate(1-) (1:1) and Amines, C10-14-branched and linear alkyl, bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) and Amines, C10-14-branched and linear alkyl, [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-)
EC number: 943-133-8 | CAS number: -
Water solubility
Administrative data
Link to relevant study record(s)
Description of key information
The solubilities at 20°C were found as follows:
- solubilities via Cr content:
<0.2 mg/L with a loading rate of 1 g/L at pH 5
2.6 mg/L with a loading rate of 10 g/L at pH 4.2
- solubilities via TOC:
9 mg/L with a loading rate of 1 g/L at pH 4.5
62 mg/L with a loading rate of 10 g/L at pH 4.1
Key value for chemical safety assessment
Additional information
The determination was performed by flask method according to OECD Guideline 105.
The test item is a complex mixture. Every constituent contributes to a different degree to overall solubility, depending on its own individual solubility and its mass fraction in the test item. The water solubility was therefore investigated via determination of dissolved amounts of chromium, nitrogen and carbon, the main elements contained in the test item.
Different sample weights (different amounts of surplus) were applied ( each about 1 g/L and 10 g/L) to investigate whether fractions of different solubility are existent (partial solubility).
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