Registration Dossier
Registration Dossier
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[3-(Hydroxy-kO)-4-{[2-(hydroxy-kO) carbopolycyl-1-yl]diazenyl-kN1}-6-substituted-carbopolycyle-1-sulfonato(3-)]chromium, reaction products with hydrogen amino-4-hydroxy carbopolycyle-2-sulfonate, sodium 2-[(aminophenyl)sulfonyl]ethyl sulfate, amino-5-substituted-phenol and 2,4,6-trichloro-1,3,5-triazine
EC number: 454-620-5 | CAS number: 854270-57-8
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
The test substance is hydrolitically stable at pH 7
Key value for chemical safety assessment
- Half-life for hydrolysis:
- 1 yr
- at the temperature of:
- 25 °C
Additional information
In a GLP-compliant study according to OECD guideline 111, hydrolysis of the test substance was tested at varying temperatures and as a function of pH (RCC, 2005). In the preliminary test at 50°C, degradations of the test solutions at pH 4, 7 and 9 were in average 9.5%, 0% and 34% respectively. Therefore no further testing was required for pH 4 and pH 7. From the main study the following half-life times were obtained: 199 hours at 50°C, 18 hours at 70°C and 6 hours at 80°C. From these results, the half-life at 25°C was calculated to be 6348 hours (264 days). The test substance is considered to be hydrollitically stable.
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