Registration Dossier
Registration Dossier
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EC number: 219-746-5 | CAS number: 2519-30-4
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption
- Remarks:
- adsorption
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Data is from computational model developed by USEPA
Data source
Reference
- Reference Type:
- other: Prediction model
- Title:
- Adsorption by EPI (Estimation Programs Interface) Suite
- Author:
- Sustainability Support Service (Europe) AB - estimated
- Year:
- 2 015
- Bibliographic source:
- Estimation Programs Interface Suite™ United States Environmental Protection Agency, Washington, DC, USA. version 4.1
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Modeling database
- GLP compliance:
- no
- Type of method:
- other: estimation
- Media:
- soil
Test material
- Reference substance name:
- Tetrasodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo))naphthalene-4,6-disulphonate
- EC Number:
- 219-746-5
- EC Name:
- Tetrasodium 1-acetamido-2-hydroxy-3-(4-((4-sulphonatophenylazo)-7-sulphonato-1-naphthylazo))naphthalene-4,6-disulphonate
- Cas Number:
- 2519-30-4
- Molecular formula:
- C28H21N5O14S4.4Na
- IUPAC Name:
- tetrasodium 4-acetamido-5-hydroxy-6-({7-sulfonato-4-[(4-sulfonatophenyl)diazenyl]-1-naphthyl}diazenyl)naphthalene-1,7-disulfonate
- Reference substance name:
- C.I. FOOD BLACK 1
- IUPAC Name:
- C.I. FOOD BLACK 1
- Details on test material:
- - Name of test material (as cited in study report): C.I. FOOD BLACK 1- Molecular formula (if other than submission substance): C28-H21-N5-O14-S4.4Na- Molecular weight (if other than submission substance): 867.6873- Smiles notation (if other than submission substance): c12c(c(ccc1NC(C)=O)S(=O)(=O)[O-])cc(S(=O)(=O)[O-])c(c2O)\N=N\c1c2c(c(\N=N\c3ccc(S(=O)(=O)[O-])cc3)cc1)ccc(c2)S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]- InChl (if other than submission substance): GMMAPXRGRVJYJY-TWEFBAQVSA-J- Substance type:Organic- Physical state:Solid
Constituent 1
Constituent 2
- Radiolabelling:
- not specified
Study design
Batch equilibrium or other method
- Analytical monitoring:
- not specified
Results and discussion
Adsorption coefficient
- Type:
- Koc
- Value:
- 41 800 000
- Temp.:
- 25 °C
- Remarks on result:
- other: Estimated via MCI method
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The soil adsorption coefficient (Koc) value of C.I. FOOD BLACK 1 is estimated to be 41800000 L/kg, indicating that it is has a high sorption to soil and sediment and therefore have negligible migration potential to groundwater.
- Executive summary:
The soil adsorption coefficient (Koc) value of C.I. FOOD BLACK 1 is estimated to be 41800000 L/kg, indicating that it is has a high sorption to soil and sediment and therefore have negligible migration potential to groundwater.
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