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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Reference
Endpoint:
bioaccumulation in aquatic species, other
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
Data is from computational model developed by USEPA
Qualifier:
according to guideline
Guideline:
other: Modeling database
Principles of method if other than guideline:
Prediction done using BCFBAF (v3.01) model
GLP compliance:
not specified
Specific details on test material used for the study:
- Name of test material: Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)] cuprate(3-)
- IUPAC name: Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-)
- Molecular formula: C24H11Cl3CuN7O9S2.3Na
- Molecular weight: 822.41 g/mole
- Smiles :Clc4c(nc(nc4Cl)Cl)Nc5cc(cc7c5O[Cu]63N7=NC(c2ccccc2)N=N6c1c(cc(cc1)S(=O)(=O)O[Na])C(=O)O3)S(=O)(=O)O[Na]
- Substance type: Organic
- Physical state: Solid
Radiolabelling:
not specified
Vehicle:
not specified
Test organisms (species):
other: Fish
Route of exposure:
aqueous
Test type:
other: estimation
Water / sediment media type:
natural water: freshwater
Test temperature:
25 deg.C
Reference substance (positive control):
not specified
Key result
Temp.:
25 °C
Type:
BCF
Value:
3.162 L/kg
Basis:
whole body w.w.
Calculation basis:
other: estimated
Remarks on result:
other: non bioaccumulative

BCFBAF Program (v3.01) Results:

==============================

SMILES : CLc4c(nc(nc4CL)CL)Nc5cc(cc7c5O[Cu]63N7=NC(c2ccccc2)N=N6c1c(cc(cc1)S(=

O)(=O)O)C(=O)O3)S(=O)(=O)O

CHEM : Cuprate(3-), [2-[[[[2-hydroxy-5-sulfo-3-[(2,5,6-trichloro-4-pyrimidin

yl)amino]phenyl]azo]phenylmethyl]azo]-5-sulfobenzo

MOL FOR: C24 H14 CL3 N7 O9 S2 Cu1

MOL WT : 778.44

--------------------------------- BCFBAF v3.01 --------------------------------

Summary Results:

Log BCF (regression-based estimate): 0.50 (BCF = 3.16 L/kg wet-wt)

Biotransformation Half-Life (days) : 2.53e-007 (normalized to 10 g fish)

Log BAF (Arnot-Gobas upper trophic): -0.05 (BAF = 0.893 L/kg wet-wt)

Log Kow (experimental): not available from database

Log Kow used by BCF estimates: -13.63

Equation Used to Make BCF estimate:

Log BCF = 0.50 (Ionic; Log Kow dependent)

Estimated Log BCF = 0.500 (BCF = 3.162 L/kg wet-wt)

Validity criteria fulfilled:
not specified
Conclusions:
Using BCFBAF Program (v3.00) model of EPI suite 2017 the estimated bio concentration factor (BCF) for Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-) (CAS No.70161-20-5) is 3.162 L/kg wet-wt at 25 deg. c which does not exceed the bioconcentration threshold of 2000. Therefore it is concluded that test chemical Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-) is non bioaccumulative in food chain.
Executive summary:

Using BCFBAF Program (v3.00) model of EPI suite 2017 the estimated bio concentration factor (BCF) for Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-)   (CAS No.70161-20-5) is 3.162 L/kg wet-wt at 25 deg. c which does not exceed the bioconcentration threshold of 2000. Therefore it is concluded that test chemical Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-) is non bioaccumulative in food chain.

Description of key information

Using BCFBAF Program (v3.00) model of EPI suite 2017 the estimated bio concentration factor (BCF) for Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-)   (CAS No.70161-20-5) is 3.162 L/kg wet-wt at 25 deg. c which does not exceed the bioconcentration threshold of 2000. Therefore it is concluded that test chemical Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-) is non bioaccumulative in food chain.

Key value for chemical safety assessment

BCF (aquatic species):
3.162 L/kg ww

Additional information

Using BCFBAF Program (v3.00) model of EPI suite 2017 the estimated bio concentration factor (BCF) for Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-)   (CAS No.70161-20-5) is 3.162 L/kg wet-wt at 25 deg. c which does not exceed the bioconcentration threshold of 2000. Therefore it is concluded that test chemical Trisodium [2-[[α-[[2-hydroxy-5-sulpho-3-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]benzyl]azo]-5-sulphobenzoato(5-)]cuprate(3-) is non bioaccumulative in food chain.