Registration Dossier
Registration Dossier
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Reaction mass of pentasodium 2-{[4-chloro-6-(ethyl{3-[(2-sulfonatoethyl)sulfonyl]phenyl}amino)-1,3,5-triazin-2-yl]amino}-5-hydroxy-6-({2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl}diazenyl)naphthalene-1,7-disulfonate and tetrasodium 2-[(4-chloro-6-{ethyl[3-(vinylsulfonyl)phenyl]amino}-1,3,5-triazin-2-yl)amino]-5-hydroxy-6-({2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl}diazenyl)naphthalene-1,7-disulfonate
EC number: 459-580-2 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Study reports have been available for acute tests with fish, invertebrate, algae and micro-organism. The results are summarized as below:
The acute toxicity of the test item FAT 40824/A to zebra fish (Brachydanio rerio) was determined in a 96-hour static test according to the OECD TG 203. The nominal test item concentrations tested were 1.0, 3.2, 10, 32 and 100 mg/L in parallel with a control. No mortality occurred in the control and in the concentration of 1.0, 3.2, 10 and 32 mg/L at the end of test. Only at 100 mg/l one fish was found dead. The LC50 was higher than 100 mg/L.
The acute toxicity of the test item FAT 40824/A to Daphnia magna was determined in a 48-hour static test according to the OECD Guideline for Testing of Chemicals, No. 202. The nominal test item concentrations tested were 4.6, 10, 22, 46 and 100 mg/L. The reported biological results were based on the nominal concentrations of the test item. The 48-hour EC50was determined to be 100 mg/L.
The influence of the test item FAT 40824/A on the growth of the green algal species Scenedesmus subspicatus CHODAT was investigated in a 72-hour static test according to the OECD Guideline No. 201. This modified algal test has clearly demonstrated that the observed growth inhibition effect of the test item FAT 40824/A on Scenedesmus subspicatus was caused only by an indirect effect, the light filter effect in the colored test solutions. Thus, a toxic effect of the test item on the algal cells can be excluded up to the highest test concentration of 100 mg/L.
The inhibitory effect of the test item FAT40824/A on the respiration rate of aerobic wastewater microorganisms of activated sludge was investigated in 3-hour respiration inhibition test according to the OECD Guideline for Testing of Chemicals, No.209. A limit test with a nominal concentration of 1000 mg/L was performed to demonstrate that the test item had no toxic effect on activated sludge microorganisms. Thus, the 3-hour EC50 was higher than 1000 mg/L and the NOEC .≥1000 mg/l.
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