Registration Dossier
Registration Dossier
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Reaction mass of tetrasodium 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-6-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulphonate and tetrasodium 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-7-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulphonate
EC number: 911-640-3 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Release to air, with an estimated vapour pressure of 10 -41 Pa at 25 deg C indicates that test item will not exist if not in dust particles in the atmosphere.
In vapour-phase the target substance will be degraded in the atmosphere by reaction with photochemically-produced hydroxyl radicals; the half-life for this reaction in air is estimated to be 3.45 hours; degradation in sunlight also occurs. I
If released to soil, it is expected to be a substance with a low potential for adsorption based on the partition coefficient log Kow of -3.2 (REACH&Colours Kft, 2012).
The substance is not readily biodegradable and not ydrolisable at 25°C (half-life > 1 year). An estimated BCF of 3.16 l/kg ww suggests that the potential for bioconcentration in aquatic organisms is low.
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