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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Administrative data

Endpoint:
biodegradation in water: simulation testing on ultimate degradation in surface water
Study period:
study on-going due to current exceptional pandemic situation. A draft report will be available until July/August 2020.
Data waiving:
other justification
Justification for data waiving:
other:

Data source

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 309 (Aerobic Mineralisation in Surface Water - Simulation Biodegradation Test)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Reference substance name:
1H-1,2,3-Benzotriazole
IUPAC Name:
1H-1,2,3-Benzotriazole
Constituent 2
Chemical structure
Reference substance name:
Benzotriazole
EC Number:
202-394-1
EC Name:
Benzotriazole
Cas Number:
95-14-7
Molecular formula:
C6H5N3
IUPAC Name:
1H-1,2,3-benzotriazole
Test material form:
other: needles
Details on test material:
- Name of test material (as cited in study report): 1,2,3-Benzotriazole-REACH 01
- Molecular formula (if other than submission substance): C7H7N3
- Molecular weight (if other than submission substance): 133.15 g/mol
- Smiles notation (if other than submission substance): CC1=CC=C2NN=NC2=C1; CC1=C2N=NNC2=CC=C1
- InChl (if other than submission substance): InChI=1S/C7H7N3/c1-5-3-2-4-6-7(5)9-10-8-6/h2-4H,1H3,(H,8,9,10); InChI=1S/C7H7N3/c1-5-2-3-6-7(4-5)9-10-8-6/h2-4H,1H3,(H,8,9,10)
- Structural formula attached as image file (if other than submission substance):
- Substance type: organic
- Physical state: solid
- Analytical purity: 99.87 %
- Lot/batch No.: 111254/112649
- Expiry date: November 2012
- Storage condition of test material: room temperature
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch number of test material: 190720
- Expiration date of the lot/batch: June 30, 2021
- Purity test date:
RADIOLABELLING INFORMATION (if applicable)
yes, further details will be available once study is completed
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: store cool
- Stability under storage conditions: stable
- Stability under test conditions: stable
- Solubility and stability of the test substance in the solvent/dispersant/vehicle/test medium:
- Reactivity of the test substance with the solvent/vehicle /test medium (if applicable):
TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing:
- Preliminary purification step (if any):
- Preparation of a nanomaterial dispersion (incl. dilution):
- Final dilution of a dissolved solid, stock liquid or gel:
- Final preparation of a solid:
FORM AS APPLIED IN THE TEST (if different from that of starting material)
INFORMATION ON NANOMATERIALS
- Chemical Composition:
- Density:
- Particle size & distribution:
- Specific surface area:
- Isoelectric point:
- Dissolution (rate):
TYPE OF BIOCIDE/PESTICIDE FORMULATION (if applicable)
OTHER SPECIFICS
- measurement of pH, osmolality, and precipitate in the culture medium to which the test chemical is
added:
- other information:
Radiolabelling:
yes

Results and discussion

Applicant's summary and conclusion