Registration Dossier
Registration Dossier
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EC number: 413-110-2 | CAS number: 135861-56-2
Bioaccumulation: aquatic / sediment
Administrative data
Link to relevant study record(s)
Description of key information
The BCFs of the test substance ranged from less than 2.0 to 14 at Level 1 (test concentration 0.3 mg/L) and less than 15 to 37 at Level 2 (test concentration 0.03 mg/L).
Key value for chemical safety assessment
- BCF (aquatic species):
- 37 dimensionless
Additional information
Bioaccumulation test of 3,4 -DMBS in common carp
Test conditions:
Acute toxicity test:
(1) Test fish: Ricefish (Oryzia latipes)
(2) Duration of exposure: 48 hours
(3) Exposure method: Semi-static system (Renewal of test water at every 8 - 16 hours)
Bioaccumulation test:
(1) Test fish: Common carp (Cyprinus carpio)
(2) Nominal concentrations of test substance:
High exposure level (Level 1): 0.3 mg/L
Low exposure level (Level 2): 0.03 mg/L
(3) Duration of exposure: 8 weeks
(4) Exposure method: Flow-through system
(5) Analytical method: High performance liquid chromatography
Results:
(1) 48 -hour LC50 value:≥100 mg/L
(2) Biocentration factors:
Level 1: 2.0 - 14
Level 2: 15 - 37
Stability:
The test substance was stable under storage and test conditions.
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