Registration Dossier
Registration Dossier
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EC number: 233-113-0 | CAS number: 10035-10-6
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
Hydrogen bromide (HBr) has an estimated log octanol/water partition coefficient of 0.6287 (Annex VII Section 7.8), so it has a low potential for adsorption. HBr in contact with water forms hydrobromic acid, which dissociates into hydrogen and bromide ions. Thus, adsorption of HBr itself is unlikely.
Bromide, the primary degradant, occurs naturally in the environment. Negative anions such as bromide are known not to adsorb to soil and has been used to monitor ground water flow through soil as it is not known to significantly adsorb to soil.
Key value for chemical safety assessment
Additional information
Hydrogen bromide (HBr) has an estimated log octanol/water partition coefficient of 0.6287 (Annex VII Section 7.8), so it has a low potential for adsorption. HBr in contact with water forms hydrobromic acid, which dissociates into hydrogen and bromide ions. Thus, adsorption of HBr itself is unlikely. Bromide, the primary degradant, occurs naturally in the environment. Negative anions such as bromide are known not to adsorb to soil and bromide has been used to monitor ground water flow through soil as it is not known to significantly adsorb to soil.
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