m-Cresol - ipcs inchem

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OECD SIDS m- / p-CRESOL MIXTURE 3. ENVIRONMENTAL FATE AND PATHWAYS ID: 15831-10-4 DATE: 24.05.2004 Reliability : (2) valid with restrictions Basic data given 20.01.2003 (18) 3.2.2 FIELD STUDIES 3.3.1 TRANSPORT BETWEEN ENVIRONMENTAL COMPARTMENTS Type : volatility Media : water - air Air : % (Fugacity Model Level I) Water : % (Fugacity Model Level I) Soil : % (Fugacity Model Level I) Biota : % (Fugacity Model Level II/III) Soil : % (Fugacity Model Level II/III) Method : other: measured Year : 1999 Method : Thermodynamic column method of Brunner et al. 1990 applied [Brunner S, Hornung E, Santl H, Wolff E, Pringer OG, Altschuh J, Brueggemann R (1990) Henry´s law constants for polychlorinated biphenyls: Experimental determination and structure-property relationship. Environ Sci Technol 24, 1751 - 1754]: - Aqueous solution of the TS produced in a generator column - Solution is passed through gas liquid desorption column where it contacts a gas stream and the partition equilibrium is reached - Gas and water are separated: water flows to the receiver dosing funnel, the gas is conducted into an absorption vessel where the TS is absorbed in organic solvent Result : Henry's law constant (25 degrees C) for m-cresol: H = 3.5 E-5 calculated to H = 8.67 E-2 Pa.m3.mol-1 Test condition : - Temperature 25 °C - Gas phase: Nitrogen - Liquid phase: Demineralized, distilled water - Analysis: GC/ECD Reliability : (2) valid with restrictions basic data given Flag : Critical study for SIDS endpoint 12.05.2004 (19) Type : adsorption Media : water - soil Air : % (Fugacity Model Level I) Water : % (Fugacity Model Level I) Soil : % (Fugacity Model Level I) Biota : % (Fugacity Model Level II/III) Soil : % (Fugacity Model Level II/III) Method : other: batch equilibrium method similar to OECD Guideline 106 Year : 1982 Remark : Koc value was determined for clay loam soil Result : Koc=34.58 for m-cresol Test condition : Test substance: m-cresol Soil: Brookston clay loam soil, collected from top 15 cm, air-dried, 5.10 % organic matter, pH 5.7 soil/solution ratio 1:10 TS concentrations 5, 10, 20, 30, 50 mg/l, deoxygenated by 312 UNEP PUBLICATIONS
OECD SIDS m- / p-CRESOL MIXTURE 3. ENVIRONMENTAL FATE AND PATHWAYS ID: 15831-10-4 DATE: 24.05.2004 purging with N2 triplicate samples, temp. 20+-1 degrees C, incubation period 24 h Reliability : (2) valid with restrictions Test procedure comparable to standard method and in accordance with general accepted scientific standards; sufficient documentation Flag : Critical study for SIDS endpoint 12.05.2004 (20) 3.3.2 DISTRIBUTION Media : air - biota - sediment(s) - soil - water Method : Calculation according Mackay, Level I Year : 2001 Result : Calculation for m-cresol: Calculated distribution between environmental compartments: Air: 2.33 % water: 96.32 % soil: 0.69 % bottom sediment: 0.65 % suspended sediment: 0.001 % biota: 0.0004 % Test condition : data used in calculation temperature (°C): 25 molar mass (g/mol): 108.14 vapor pressure (Pa): 14.7 water solubility (g/l): 22.7 log Kow: 1.96 volumes in unit world (m3) air: 6 000 000 000 water: 7 000 000 soil: 45 000 sediment: 21 000 susp. sediment: 35 biota (fish): 7 Reliability : (2) valid with restrictions generally accepted calculation method Flag : Critical study for SIDS endpoint 11.02.2003 (21) 3.4 MODE OF DEGRADATION IN ACTUAL USE 3.5 BIODEGRADATION Type : aerobic Inoculum : predominantly domestic sewage Concentration : .8 mg/l related to COD (Chemical Oxygen Demand) related to Contact time : Degradation : = 90 (±) % after 28 day(s) Result : readily biodegradable Kinetic of testsubst. : 7 day(s) = 45 - 80 % 14 day(s) = 70 - 90 % 21 day(s) = 75 - 70 % 28 day(s) = 90 - 90 % UNEP PUBLICATIONS 313
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OECD SIDS m- / p-CRESOL FOREOWRD IN
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OECD SIDS m- / p-CRESOL 11. Comment
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OECD SIDS m- / p-CRESOL of mice. In
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OECD SIDS m- / p-CRESOL SIDS Initia
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OECD SIDS m- / p-CRESOL Table 3: Es
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OECD SIDS m- / p-CRESOL m-cresol an
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OECD SIDS m- / p-CRESOL extensive s
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OECD SIDS m- / p-CRESOL et al. 1993
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OECD SIDS m- / p-CRESOL study in wh
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OECD SIDS m- / p-CRESOL Conclusion:
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OECD SIDS m- / p-CRESOL Table 5: m-
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OECD SIDS m- / p-CRESOL ≥300 ppm,
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OECD SIDS m- / p-CRESOL Atrophy and
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OECD SIDS m- / p-CRESOL p-Cresol p-
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OECD SIDS m- / p-CRESOL 3.1.7 Carci
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OECD SIDS m- / p-CRESOL drowsiness,
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OECD SIDS m- / p-CRESOL and reduced
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OECD SIDS m- / p-CRESOL The most se
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OECD SIDS m- / p-CRESOL Table 14: T
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OECD SIDS m- / p-CRESOL Table 15: T
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OECD SIDS m- / p-CRESOL 5 RECOMMEND
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OECD SIDS m- / p-CRESOL BRRC (Bushy
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OECD SIDS m- / p-CRESOL Hamster Ova
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OECD SIDS m- / p-CRESOL Nobel W, Ma
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OECD SIDS m- / p-CRESOL Vernot EH,
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OECD SIDS m- / p-CRESOL Available P
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OECD SIDS m- / p-CRESOL √ informa
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OECD SIDS m-CRESOL 1. GENERAL INFOR
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