Registration Dossier

Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

 Daphnids exposed to Spectrace TM MD-810 Marker (Solvent Free) at concentrations 55.0 mg/L appeared normal with no mortality/immobility or overt signs of toxicity. Thus, the 48-hour no-mortality/immobility concentration and the NOEC were 5.0 mg/L.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
5 mg/L

Additional information

Daphnids in the negative and solvent control groups appeared normal throughout the test. All daphnids in

the Spectrace ® MD-810 Marker (Solvent Free) treatment groups also appeared normal throughout the

test, with no mortality/immobility or overt signs of toxicity observed. Based on visual examination of the

data, the 48-hour EC50 value was >5.0 mg/L, the highest concentration tested and the apparent limit of

solubility of the test substance in the test system. The no-mortality concentration and the no-observedeffect

concentration (NOEC) were both 5.0 mg/L.