Registration Dossier
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EC number: 204-246-1 | CAS number: 118-33-2
Endpoint summary
Administrative data
Description of key information
Adsorption/desorption
KOCWIN model (v2.00) of Estimation Programs Interface (EPI Suite, 2017) was used to predict the soil adsorption coefficient i.e Koc value of test chemical 6-aminonaphthalene- 1,3 -disulfonic acid (CAS No. 118 -33 -2). The soil adsorption coefficient i.e Koc value of 6-aminonaphthalene-1,3-disulfonic acid was estimated to be 1192 L/kg (log Koc=3.0764) by means of MCI method (at 25 deg C). This Koc value indicates that the substance 6-aminonaphthalene-1,3-disulfonic acid has a moderate sorption to soil and sediment and therefore have slow migration potential to ground water
Additional information
Adsorption/desorption
Various predicted data for the target compound 6-aminonaphthalene-1,3-disulfonic acid (CAS No. 118-33-2) were reviewed for the adsorption end point which are summarized as below:
In a prediction done using theKOCWIN Program(v2.00) of Estimation Programs Interface (EPI Suite, 2017) the soil adsorption coefficient i.e Koc value of 6-aminonaphthalene-1,3-disulfonic acid was estimated to be 1192 L/kg (log Koc=3.0764) by means of MCI method (at 25 deg C).
From CompTox Chemistry Dashboard using OPERA (OPEn (quantitative) structure-activity Relationship Application) V1.02 model in which calculation based on PaDEL descriptors (calculate molecular descriptors and fingerprints of chemical), the adsorption coefficient i.e KOC for test substance 6-aminonaphthalene-1,3-disulfonic acid (CAS no. 118 -33 -2) was estimated to be 304 L/kg (log Koc = 2.482).The predicted KOC result based on the 5 OECD principles.
On the basis of above overall results for target chemical 6-aminonaphthalene-1,3-disulfonic acid(from EPI suiteand CompTox Chemistry Dashboard,2017), it can be concluded that the Koc value of test substance6-aminonaphthalene-1,3-disulfonic acid ranges from 304 –1192indicating that the test chemical 6-aminonaphthalene-1,3-disulfonic acidhas a moderate sorption to soil and sediment and therefore have slow migration potential to ground water.
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