Ecotoxicity
Components:
ethanol:
Toxicity to fish
LC50 (Pimephales promelas (fathead minnow)): 15,300 mg/l End point: mortality Exposure time: 96 h Test Type: flow-through test Analytical monitoring: yes Method: US-EPA
Toxicity to daphnia and other aquatic invertebrates
LC50 (Ceriodaphnia dubia (water flea)): 5,012 mg/l End point: mortality Exposure time: 48 h Test Type: static test Remarks: (ECHA)
Toxicity to algae/aquatic plants
ErC50 (Chlorella vulgaris (Fresh water algae)): 275 mg/l Exposure time: 72 h Test Type: static test Method: OECD Test Guideline 201
Toxicity to fish (Chronic toxicity)
NOEC (Danio rerio (zebra fish)): 250 mg/l Exposure time: 120 h Test Type: semi-static test Remarks: (ECHA)
Toxicity to daphnia and other aquatic invertebrates (Chronic toxicity)
NOEC (Daphnia magna (Water flea)): 9.6 mg/l End point: reproduction rate Exposure time: 9 d Test Type: semi-static test Remarks: (ECHA)
Toxicity to microorganisms
IC50 (activated sludge): > 1,000 mg/l Exposure time: 3 h Test Type: static test Analytical monitoring: yes Method: OECD Test Guideline 209 The value is given in analogy to the following substances: Methanol
n-butanol:
Toxicity to fish
LC50 (Pimephales promelas (fathead minnow)): 1,376 mg/l End point: mortality Exposure time: 96 h Test Type: static test Analytical monitoring: yes Method: OECD Test Guideline 203 GLP: yes
Toxicity to daphnia and other aquatic invertebrates
EC50 (Daphnia magna (Water flea)): 1,328 mg/l End point: Immobilization Exposure time: 48 h Test Type: static test Analytical monitoring: yes Method: OECD Test Guideline 202 GLP: yes
Toxicity to algae/aquatic plants
ErC50 (Pseudokirchneriella subcapitata (green algae)): 225 mg/l Exposure time: 96 h Test Type: static test Analytical monitoring: yes Method: OECD Test Guideline 201 GLP: yes
Toxicity to daphnia and other aquatic invertebrates (Chronic toxicity)
EC50 (Daphnia magna (Water flea)): 18 mg/l End point: reproduction rate Exposure time: 21 d Test Type: semi-static test Analytical monitoring: yes Method: OECD Test Guideline 211 GLP: yes
Toxicity to microorganisms
EC50 (Pseudomonas putida): 4,390 mg/l Exposure time: 17 h Test Type: static test Method: DIN 38421 TEIL 8
Persistence and degradability
Components:
ethanol:
Biodegradability
aerobic Inoculum: activated sludge, non-adapted Result: Readily biodegradable. Biodegradation: ca. 95 % Exposure time: 15 d Method: OECD Test Guideline 301E
Biochemical Oxygen Demand (BOD)
930 - 1,670 mg/g Incubation time: 5 d Remarks: (Lit.)
ThOD
2,100 mg/g Remarks: (Lit.)
n-butanol:
Biodegradability
aerobic Concentration: 3 mg/l Result: Readily biodegradable. Biodegradation: 92 % Exposure time: 20 d Remarks: (ECHA)
BOD/ThOD
33 % Remarks: (IUCLID)
Bioaccumulative potential
Components:
ethanol:
Bioaccumulation
Remarks: Due to the distribution coefficient noctanol/water, accumulation in organisms is not expected.
Partition coefficient: noctanol/water
log Pow: -0.35 (24 °C) pH: 7.4 Method: OECD Test Guideline 107 Remarks: Bioaccumulation is not expected.
n-butanol:
Bioaccumulation
Species: Oncorhynchus mykiss (rainbow trout) Bioconcentration factor (BCF): 0.38 Exposure time: 24 h Concentration: 921 mg/l
Partition coefficient: noctanol/water
log Pow: 1 (25 °C) pH: 7 Method: OECD Test Guideline 117 GLP: yes Remarks: Bioaccumulation is not expected.
Mobility in soil
No data available
Other adverse effects
Components:
ethanol:
Results of PBT and vPvB assessment
Substance does not meet the criteria for PBT or vPvB according to Regulation (EC) No 1907/2006, Annex XIII.
n-butanol:
Results of PBT and vPvB assessment
Substance does not meet the criteria for PBT or vPvB according to Regulation (EC) No 1907/2006, Annex XIII.