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Ecotoxicological information

Short-term toxicity to fish

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Endpoint:
short-term toxicity to fish
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
1. SOFTWARE: VEGA NIC 1.1.1
2. MODEL: Fathead Minnow LC50 96h (EPA) 1.0.7
3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL: COC(=O)C1=C(C(=CC=C1)[N+](=O)[O-])C(=O)O
4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL: Yes
5. APPLICABILITY DOMAIN: The compound is in the applicability domain of the model
Qualifier:
according to guideline
Guideline:
other: REACH guidance on QSARs R6, May 2008
Principles of method if other than guideline:
General model for estimating the acute toxicity to fish.
Fathead Minnow LC50 96h (EPA) 1.0.7.
Key result
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
11.43 mg/L
Details on results:
Prediction is 11.43 mg/L, the result appears reliable:
- the predicted compound is into the Applicability Domain of the model
- strongly similar compounds with known experimental value in the training set have been found
- accuracy of prediction for similar molecules found in the training set is good
- similar molecules found in the training set have experimental values that agree with the predicted value
- the maximum error in prediction of similar molecules found in the training set has a low value, considering the experimental variability
- descriptors for this compound have values inside the descriptor range of the compounds of the training set
- all atom centered fragment of the compound have been found in the compounds of the training set.
Conclusions:
Prediction is LC50, 96 h = 11.43 mg/L.
Executive summary:

The short-term toxicity to fish was estimated using Fathead Minnow LC50 96h (EPA) 1.0.7. This is a valid model for this substance which falls into its applicability domain as explained in the attached reports. The prediction is LC50, 96 h = 11.43 mg/L.

Endpoint:
short-term toxicity to fish
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
1. SOFTWARE: VEGA NIC 1.1.1
2. MODEL: Fish Acute (LC50) Toxicity model (KNN/Read-Across) 1.0.0
3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL: COC(=O)C1=C(C(=CC=C1)[N+](=O)[O-])C(=O)O
4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL: Yes
5. APPLICABILITY DOMAIN: The compound is in the applicability domain of the model
Qualifier:
according to guideline
Guideline:
other: REACH guidance on QSARs R6, May 2008
Principles of method if other than guideline:
General model for estimating the acute toxicity to fish.
Fish Acute (LC50) Toxicity model (KNN/Read-Across) 1.0.0
Key result
Dose descriptor:
LC50
Effect conc.:
13.14 mg/L
Remarks on result:
other: Prediction is LC50 13.14 mg/L
Details on results:
Prediction is 13.14 mg/L, the result appears reliable:
- the predicted compound is into the Applicability Domain of the model
- strongly similar compounds with known experimental value in the training set have been found
- accuracy of prediction for similar molecules found in the training set is good
- similar molecules found in the training set have experimental values that agree with the predicted value
- the maximum error in prediction of similar molecules found in the training set has a low value, considering the experimental variability
- all atom centered fragment of the compound have been found in the compounds of the training set
Conclusions:
Prediction is LC50 to fish = 13.14 mg/L.
Executive summary:

The acute toxicity to fish was estimated using Fish Acute (LC50) Toxicity model (KNN/Read-Across) 1.0.0. This is a valid model for this substance which falls into its applicability domain as explained in the attached reports. Predicted LC50 is 13.14 mg/L.

Endpoint:
short-term toxicity to fish
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
1. SOFTWARE: VEGA NIC 1.1.1
2. MODEL: Fish Acute (LC50) Toxicity classification (SarPy/IRFMN) 1.0.2
3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL: COC(=O)C1=C(C(=CC=C1)[N+](=O)[O-])C(=O)O
4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL: Yes
5. APPLICABILITY DOMAIN: The compound is in the applicability domain of the model
Qualifier:
according to guideline
Guideline:
other: REACH guidance on QSARs R6, May 2008
Principles of method if other than guideline:
General model for estimating the acute toxicity to fish.
Fish Acute (LC50) Toxicity classification (SarPy/IRFMN) 1.0.2
Key result
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
> 1 - < 10 mg/L
Details on results:
Prediction is Toxic-2 (between 1 and 10 mg/l), the result appears reliable:
- the predicted compound is into the Applicability Domain of the model
- strongly similar compounds with known experimental value in the training set have been found
- accuracy of prediction for similar molecules found in the training set is good
- similar molecules found in the training set have experimental values that agree with the predicted value
- all atom centered fragment of the compound have been found in the compounds of the training set.
Conclusions:
Prediction is Toxic-2 (between 1 and 10 mg/l).
Executive summary:

The short term toxicity to fish was estimated using Fish Acute (LC50) Toxicity classification (SarPy/IRFMN) 1.0.2. This is a valid model for this substance which falls into its applicability domain as explained in the attached reports. Prediction is Toxic-2 (between 1 and 10 mg/l).

Description of key information

The short term toxicity to fish was estimated using Fish Acute (LC50) Toxicity classification (SarPy/IRFMN) 1.0.2. This is a valid model for this substance which falls into its applicability domain as explained in the attached reports. Prediction is Toxic-2 (between 1 and 10 mg/l).

The acute toxicity to fish was estimated using Fish Acute (LC50) Toxicity model (KNN/Read-Across) 1.0.0. This is a valid model for this substance which falls into its applicability domain as explained in the attached reports. Predicted LC50 is 13.14 mg/L.

The short-term toxicity to fish was estimated using Fathead Minnow LC50 96h (EPA) 1.0.7. This is a valid model for this substance which falls into its applicability domain as explained in the attached reports. The prediction is LC50, 96 h = 11.43 mg/L.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
11.43 mg/L

Additional information