Registration Dossier
Registration Dossier
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reaction mass of: 7-amino-3,8-bis-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4- hydroxynaphthalene-2-sulfonic acid, Na/K salt; 7-amino-3-[4-(2-sulfoxyethylsulfonyl)phenylazo]-4-hydroxy-8-[4-(2-sulfoxyethylsulfonyl)-2- sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt; 7-amino-8-[4-(2-sulfoxyethylsulfonyl)-phenylazo]-4-hydroxy-3-[4-(2-sulfoxyethylsulfonyl)- 2-sulfophenylazo]naphthalene-2-sulfonic acid, Na/K salt; 7-amino-3,8-bis-[4-(2-sulfoxyethylsulfonyl)-2-sulfophenylazo]-4-hydroxynaphthalene-2- sulfonic acid, Na/K salt
EC number: 429-070-4 | CAS number: 214362-06-8 SCARLET DER 8107
Endpoint summary
Administrative data
Description of key information
Reactive Brown 49 is not biodegradable, however, abiotic degradation takes place. At 25 °C, Reactive Brown 49 is stable at pH 4 with a half-life period greater than one year; while at pH 7 it has a half-life period of 64.3 h (about 2.7 days). It is unstable at pH 9 with half-life period shorter than one day.
Additional information
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