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EC number: 201-162-7
CAS number: 78-96-6
Acutely harmful to aquatic algae and cyanobacteria.
toxicity of MIPA (CAS 78-96-6) to aquatic algae and cyanobacteria was
investigated in a test conducted according to DIN 38412, part 9, using
Desmodesmus subspicatus as test organism (BASF AG, 1989). Based on
growth rate, the 72-h ErC50 was determined to be 32.7 mg/L (72-h ErC10 =
15.1 mg/L) indicating the test substance to be acutely harmful to algae.
The test substance solutions were not neutralized.
was conducted without analytical monitoring. However, the stability of
MIPA in the test medium is considered to be stable due to the high water
solubility (miscible at any ratio; see IUCLID chapter 4.8), the low
vapour pressure (63 Pa at 25 °C; see IUCLID chapter 4.6) and the low
Henry's law constant (HLC: 4.95E-5 Pa*m3/mol; calculated; HENRYWIN
v3.20, EPISuite v4.11) of the substance.
addition, Eide-Haugmo et al. (2012/2009) performed a guideline study
according to ISO 10253 with the marine algae Skeletonema costatum. After
72 hours an ErC50 of 39.0 mg/L was determined.
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