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EC number: 270-648-9
CAS number: 68475-50-3
The pH determination of test item itemTris[5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonato(2-)]dialuminium (CAS No. 68475-50-3 )was done following OECD guideline 122. The pH of 1% w/v aqueousdispersionwas measured with the help of pH meter and the mean pH was observed to be 4.36 at 29 °C .
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