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EC number: 219-746-5 | CAS number: 2519-30-4
Biodegradation in water and sediment: simulation tests
Administrative data
- Endpoint:
- biodegradation in water and sediment: simulation tests
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key 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:
- Bio-degradation in water and sediment 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
- Principles of method if other than guideline:
- Fugacity Model by EPI Suite estimation database
- GLP compliance:
- no
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
Study design
- Oxygen conditions:
- other: estimation
- Inoculum or test system:
- not specified
- Details on source and properties of surface water:
- No data available
- Details on source and properties of sediment:
- No data available
- Details on inoculum:
- No data available
- Parameter followed for biodegradation estimation:
- test mat. analysis
Results and discussion
Mean total recoveryopen allclose all
- Compartment:
- other: water, material (mass) balance
- % Recovery:
- 0.555
- Compartment:
- other: sediment, material (mass) balance
- % Recovery:
- 47.3
% Degradationopen allclose all
- % Degr.:
- 50
- Parameter:
- other: Half life in water
- Sampling time:
- 180 d
- % Degr.:
- 50
- Parameter:
- other: Half-life in sediment
- Sampling time:
- 1 620.833 d
Half-life of parent compound / 50% disappearance time (DT50)open allclose all
- Compartment:
- water
- DT50:
- 180 d
- Type:
- other: estimation
- Temp.:
- 25 °C
- Compartment:
- sediment
- DT50:
- 1 620.833 d
- Type:
- other: estimation
- Temp.:
- 25 °C
- Transformation products:
- not specified
Any other information on results incl. tables
| Mass Amount (percent) | Half-Life (hr) | Emissions (kg/hr) |
Water | 0.555 | 4.32e+003 | 1000 |
Sediment | 47.3 | 3.89e+004 | 0 |
| Fugacity (atm) | Reaction (kg/hr) | Advection (kg/hr) | Reaction (percent) | Advection (percent) |
Water | 1.31e-046 | 40.4 | 252 | 1.35 | 8.39 |
Sediment | 3.55e-046 | 382 | 428 | 12.7 | 14.3 |
Applicant's summary and conclusion
- Conclusions:
- Half life period of C.I. FOOD BLACK 1 in water is observed to be 180 days (4320 hrs.) while in sediment it is 1620.833 days (38900 hrs). Based on these half life values of C.I. FOOD BLACK 1, it is concluded that the chemical is very persistent in water and sediment.
- Executive summary:
Half life period of C.I. FOOD BLACK 1 in water is observed to be 180 days (4320 hrs.) while in sediment it is 1620.833 days (38900 hrs). Based on these half life values of C.I. FOOD BLACK 1, it is concluded that the chemical is very persistent in water and sediment.
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