Fig. 3From: Aquatic toxicity integrated testing and assessment strategies (ITS) for difficult substances: case study with thiochemicalsTrend in acute fish toxicity of mercaptopropionates depending on the carbon chain length (# C) as a proxy for molecular size and hydrophobicity, the new value for TMPMP (# C = 16) fits very well. Corresponding (similar) plots based on log Kow or MW are available in Additional file 1.Back to article page