Registration Dossier
Registration Dossier
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EC number: 941-992-3 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
A bioaccumulation study in fish was conducted according to OECD Guideline 305 C on BPS. The speciesCyprinus carpiowere exposed to the test substance over a period of 6 weeks at test concentrations of 50 and 500 µg/L, in a flow through system.
The BCF for the test substance was measured to be very low (< 0.2 and < 2.2 at test concentrations of 500 and 50 µg/L). Thus, a bioaccumulation of the test substance to aquatic organisms is not expected.1 2
The low concern for bioaccumulation was based on two experimental BCF values.3
No data are available for 2,4'-sulfonyldiphenol CAS 5397-34-2.
No data are also available on benzenesulfonic acid, 4-hydroxy-, sodium salt (1:1), CAS 825-90-1.
In principle, the salts of aromatic sulphonic acids called hydrotropes, that can be considered for a read across, get dissociated when in contact with water, to form the acids again. The aromatic sulphonic acids are soluble in water and are neither sorptive, nor volatile, nor bioaccumulative.4
Furthermore, BCF measured on the hydrotrope, sodium p-toluen sulphonate was found to be less than 2.3.5
As a conclusion, the DCB 58% is considered as not bioaccumulative.
References:
1ECHA RegistrationDossier BPS CAS 80-09-1;
2SIDS INITIAL ASSESSMENT PROFILE, CAS 80-09-1, CoCAM 4, 16-18 April 2013;
3EPA, U. S. Environmental Protection Agency, Bisphenol A alternatives in thermal paper, Final Report, January 2014;
4HPV Assessment Report On Hydroxybenzenesulphonic acid CAS No. 1333-39-7, 2004, NOTOX;
5ECHA Registration Dossier, Sodium xylene sulphonate, CAS 1300-72-7; ECHA Registration Dossier, Toluene sulphonic acid, CAS 104-15-4
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