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EC number: 254-879-2 | CAS number: 40306-75-0
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
The effective concentration (EC50) value of 3-acetamido-5-amino-4-hydroxybenzenesulphonic acid in aquatic algae (Pseudokirchneriella subcapitata) in a 72 hr study based upon effect on growth was estimated to be 199.5558 mg/L
Key value for chemical safety assessment
- EC50 for freshwater algae:
- 199.556 mg/L
Additional information
The effective concentration (EC50) value of 3-acetamido-5-amino-4-hydroxybenzenesulphonic acid in aquatic algae (Pseudokirchneriella subcapitata) in a 72 hr study based upon effect on growth was estimated to be 199.5558 mg/L.The other supporting studies also indicates that the values of toxicity to algae is beyond the classifing range.
The summary of the results are presented below
Sr. No |
Endpoint name |
Value |
Units |
Species |
1 |
EC 50 | 199.5558 | mg/l | Pseudokirchneriella subcapitata |
| 2 | EC 50 | 179.126 | mg/l | Green algae |
| 3 | EC 50 | 380.534 | mg/l | Green algae |
Based on the above endpoint results it can be concluded that the substance3-acetamido-5-amino-4-hydroxybenzene sulphonic acid do not show any toxicity effect to aquatic algae (Pseudokirchneriella subcapitata) .Therefore the substance is considered to be not classified as per the C&L regulation.
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