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Product name:KATHONTm FP 1.5 BIOCIDE Revision Date:22.03.2015 Version:4.0 Chronic toxicity to aquatic invertebrates NOEC, Daphnia magna,flow-through test,21 d,0.1 mg/I 12.2 Persistence and degradability Magnesium nitrate Biodegradability: No relevant data found. reaction mass of:5-chloro-2-methyl-4-isothiazolin-3-one rEC no.247-500-71 and 2-methyl-2H- isothiazol-3-one FEC no.220-239-61(3:1) Biodegradability:Considered to be rapidly degradable. Material is not readily biodegradable according to OECD/EEC guidelines. Biodegradation: <50% Exposure time: 10 d Photodegradation Atmospheric half-life:0.38-1.3 d 12.3 Bioaccumulative potential Bioaccumulation:5-Chloro-2-methyl-4-isothiazolin-3-one(CMIT): 2-Methyl-4-isothiazolin-3- one(MIT): Partition coefficient:n-octanoVwater(log Pow): 0.401 Measured Partition coefficient: n- octanoVwater(log Pow):-0.486 Measured 12.4 Mobility in soil Magnesium nitrate Potential for mobility in soil is very high(Koc between 0 and 50). Given its very low Henry's constant,volatilization from natural bodies of water or moist soil is not expected to be an important fate process. Partition coefficient(Koc):24 reaction mass of:5-chloro-2-methyl-4-isothiazolin-3-one FEC no.247-500-71 and 2-methyl-2H- isothiazol-3-one FEC no.220-239-61(3:1) Potential for mobility in soil is very high(Koc between 0 and 50). Given its very low Henry's constant,volatilization from natural bodies of water or moist soil is not expected to be an important fate process. Partition coefficient(Koc):28 Estimated. 12.5 Results of PBT and vPvB assessment This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic(PBT),or very persistent and very bioaccumulative(vPvB)at levels of 0.1%or higher. 12.6 Other adverse effects Magnesium nitrate This substance is not in Annex I of Regulation(EC)No 1005/2009 on substances that deplete the ozone layer. Page 11 of 15