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EC number: 205-617-0
CAS number: 144-15-0
The long-term toxicity of ATBC to daphnids was assessed in a test according to OECD 211:EC50 (21 d) > 1.11 mg/L (reproduction rate)NOEC (21 d) ≥ 1.11 mg/L (reproduction rate and survival of the adult test animals)LOEC (21 d) ≥ 1.11 mg/L (reproduction rate and survival of the adult test animals) [Read-across data from tributyl-O-acetylcitrate (CAS 77-90-7)]
No experimental data is available to assess
the chronic toxicity of tris(2-ethylhexyl) 2
-(acetyloxy)propane-1,2,3-tricarboxylate (CAS 144 -15 -0) to aquatic
invertebrates. Therefore, the so-called read-across approach to the
substance 1,2,3-Propanetricarboxylic acid, 2-(acetyloxy)-,
1,2,3-tributyl ester (ATBC) is intended. For further details and
justification of this procedure please refer to the separate Read-Across
Statement. The substance was investigated on the survival and
reproduction rate of Daphnia magna was determined during an
exposure period of 21 days according to OECD 211 and EU method C20
without GLP compliance . The 21-day NOEC and LOEC values were
determined to be ≥ 1.11 mg test item/L for the reproduction rate and ≥
1.11 mg test item/L for the survival of the adult test animals,
respectively. The EC50 for the reproduction rate was > 1.11 mg test
item/L (effect value based on analytical monitoring - TWA). It can be
assumed that the same applies to tris(2-ethylhexyl)
2-(acetyloxy)propane-1,2,3-tricarboxylate (CAS 144 -15 -0) as it is a
near analogue to the test substance acetyl tributyl citrate (ATBC).
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