Registration Dossier
Registration Dossier
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EC number: 268-084-3 | CAS number: 68002-71-1 This substance is identified by SDA Substance Name: C16-C18 trialkyl glyceride and SDA Reporting Number: 19-001-00.
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
- EC50 for microorganisms:
- 1 000 mg/L
Additional information
A study was conducted to evaluate the inhibitory effect of the constituent fully hydrogenated coconut oil on activated sludge according to the guidelines OECD 209, EU method C.11 and EPA OPPTS 850.6800 in compliance with GLP. The respiration rate (oxygen consumption) of an aerobic activated sludge fed with a standard amount of synthetic sewage was measured in the presence of various concentrations of the substance after an incubation period of 3 h. Three tests, one with a reference susbstance 3,5 -Dichlorophenol and two inoculum controls were run in parallel for validation purposes. Under the test conditions, no dose-related response was found in the activated sludge inhibition test with the constituent. The nominal 3 h EC10, EC20 and EC50 were determined to be >1,000 mg/L (Feil, 2010).
A study was conducted to evaluate the toxicity of castor oil to Pseudomonas putida according to the method described in Robra K.H. (1976). GFW Wasser/Abwasser 117:80 -86. The microorganisms were exposed to concentrations of the test substance ranging from 40,000 to 100,000 mg/L and oxygen consumption was measured. Under the conditions of this test, the EC10 of test substance to Pseudomonas putida was determined to be 54,000 mg/L (Bessems, 1988).
A study was conducted to evaluate the toxicity of linseed oil to Pseudomonas putida according to the method described in Robra K.H. (1976). GFW Wasser/Abwasser 117:80 -86. The microorganisms were exposed to concentrations of the test substance ranging from 40,000 to 100,000 mg/L and oxygen consumption was measured. Under the conditions of this test, the EC10 of the test substance to Pseudomonas putida was estimated to be 67,000 mg/L (Bessems, 1988).
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