Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
The substance can be considered relatively stable in water ,light and other abiotic conditions.
The reaction between reactive orange 16 and water shows a half life of 6 days at 25°C .(Bartsch 1985). In agreeemnet with behavoiur of the similar substanceReactive Black 5 , whitch reacts rapidly with water, with a Half life in water of 1.9 days (Appel M. 1989).The following degradation steps are similar for both substances
It was found that the sulfonated azo dyes can be destroyed by UV photooxidation process (Saliha 2004). The kinetics of the degradation depends on the azo,benzene and naphthalene groups of the dyes. We found that the first step of the degradation is related to cleavage of azo bond of the molecule and naphthalene ring which leads to further degradation until complete mineralization.
Degradation of RO16 by TiO2 photocatalysis also was evaluated (Chen 2009). The degradation followed first-order kinetics. The efficiency of decolorization is influenced by the initial concentration of RO16, photocatalyst amount, UV light intensity, and temperature.
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