Registration Dossier
Registration Dossier
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EC number: 223-296-5 | CAS number: 3811-73-2
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
- EC50 for microorganisms:
- 120 mg/L
- EC10 or NOEC for microorganisms:
- 1 mg/L
Additional information
Two activated sludge respiration inhibition studies were carried out on NaPT and and Ec10 value of 1.0 mg/L was determined.
Table 4.2.1- 15: Inhibition of microbial activity (aquatic) by NaPT
Guideline / |
Species / Inoculum |
End-point / |
Exposure |
Results [mg/L] |
Remarks |
Reference |
|||
design |
duration |
EC10 |
EC50 |
NOEC |
|
|
|||
OECD 209 |
Activated sludge |
Respiration inhibition |
|
3 hours |
- |
1.81
|
- |
|
6.1.7.001 ESPTF 7041-401 Weniger (2002)
|
OECD 209 |
Activated sludge |
Respiration inhibition |
|
3 hours |
1.0 |
120
|
- |
|
6.1.7.002 EZPTF 7041-402 Flackler (1990) |
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