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EC number: 237-725-9 | CAS number: 13945-76-1
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 11 Nov 1999 - 13 Mar 2000
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 000
- Report date:
- 2000
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- Deviations:
- yes
- Remarks:
- only 2-AA used as positive control in the presence of S9-mix
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.13/14 (Mutagenicity - Reverse Mutation Test Using Bacteria)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- certified by the Hessische Ministerium für Umwelt, Energie, Jugend, Familie und Gesundheit
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- Octyl octanoate
- EC Number:
- 218-980-5
- EC Name:
- Octyl octanoate
- Cas Number:
- 2306-88-9
- Molecular formula:
- C16H32O2
- IUPAC Name:
- octyl octanoate
Constituent 1
Method
- Target gene:
- his operon
Species / strainopen allclose all
- Species / strain / cell type:
- S. typhimurium, other: TA 1535, TA 1537, TA 98, TA 100
- Additional strain / cell type characteristics:
- other: rfa-; uvrB- (R+ for TA 98 and TA 100)
- Species / strain / cell type:
- S. typhimurium TA 102
- Additional strain / cell type characteristics:
- other: rfa-; uvrB+; R+
- Metabolic activation:
- with and without
- Metabolic activation system:
- cofactor supplemented post-mitochondrial fraction (S9 mix), prepared from the livers of rats treated with phenobarbital and β-naphthoflavone.
- Test concentrations with justification for top dose:
- Experiment 1 and 2: 33, 100, 333, 1000, 2500 and 5000 µg/plate
Experiment 2: 333, 1000, 2500 and 5000 µg/plate - Vehicle / solvent:
- - Vehicle(s)/solvent(s) used: DMSO (MERCK, D-64293 Darmstadt; purity > 99%)
- Justification for choice of solvent/vehicle: The solvent was chosen because of its solubility properties and its relative nontoxicity to the bacteria.
Controls
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- other: 10 µg/plate sodium azide (TA 1535 and TA 100; -S9); 4-nitro-o-phenylene-diamine (10 µg/plate in TA 98 and 50 µg/plate in TA 1537; -S9); 5.0 µl/plate methylmethanesulfonate (TA 102; -S9); 2.5 µg/plate 2-aminoanthracene (10.0 µg/plate in TA 102) (+S9)
- Details on test system and experimental conditions:
- METHOD OF APPLICATION: in agar (plate incorporation) (first experiment); preincubation (second and third experiment)
DURATION
- Preincubation period: 60 min
- Exposure duration: 48 h
NUMBER OF REPLICATIONS: triplicates each in three independent experiments
DETERMINATION OF CYTOTOXICITY
- Method: Inspection of the bacterial background lawn - Evaluation criteria:
- A test item is considered positve if either a dose related increase in the number of revertants or a biologically relevant increase for at least one test concentration is induced. A test item producing neither a dose related increase in the number of revertants nor a biologically relevant positive response at any one of the test points is considered non-mutagenic in the test system.
A biologically relevant response is described as follows:
A test item is considered mutagenic if the number of reversions is at least twice the spontaneous reversion rate in strains TA 98, TA 100 and TA 102 or thrice in strains TA 1535 and TA 1537. Also, a dose-dependent increase in the number of revertants is regarded as an indication of possibly existing mutagenic potential of the test item regardless whether the highest dose fulfilled the criteria described above or not.
Results and discussion
Test results
- Key result
- Species / strain:
- S. typhimurium, other: TA 1535, TA 1537, TA 98, TA 100, TA 102
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity nor precipitates, but tested up to recommended limit concentrations
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Additional information on results:
- COMPARISON WITH HISTORICAL CONTROL DATA: yes
Any other information on results incl. tables
Table 1. Test results without S9-mix
Without S9-Mix |
Test substance concentration (μg/plate) |
Mean number of revertant colonies per plate (average of 3 plates; 2 or 3 independent experiments) |
||||||||||
Base-pair substitution type |
Frameshift type |
|||||||||||
TA 100 |
TA1535 |
TA102 |
TA98 |
TA1537 |
||||||||
Experiment |
I |
II |
I |
II |
III |
I |
II |
I |
II |
I |
II |
|
|
0 |
132 |
58 |
19 |
11 |
26 |
184 |
208 |
27 |
15 |
24 |
18 |
– |
Solvent control |
114 |
62 |
16 |
13 |
26 |
152 |
201 |
26 |
14 |
24 |
22 |
– |
33 |
104 |
69 |
11 |
12 |
- |
173 |
198 |
25 |
14 |
28 |
24 |
– |
100 |
123 |
71 |
17 |
12 |
- |
167 |
191 |
25 |
10 |
27 |
22 |
– |
333 |
127 |
68 |
23 |
12 |
25 |
178 |
280 |
20 |
13 |
30 |
23 |
– |
1000 |
117 |
58 |
14 |
26 |
25 |
169 |
183 |
23 |
13 |
31 |
21 |
– |
2500 |
115 |
68 |
16 |
35 |
23 |
119 |
266 |
20 |
7 |
23 |
25 |
– |
5000 |
122 |
63 |
16 |
32 |
25 |
176 |
270 |
22 |
11 |
23 |
20 |
Positive controls, –S9 |
Name |
SA |
SA |
MMS |
4NOPD |
4NOPD |
||||||
Concentrations (μg/plate) |
10.0 |
10.0 |
5 µL/plate |
10.0 |
50.0 |
|||||||
Mean No. of colonies/plate (average of 3) |
1490 |
1150 |
1075 |
1210 |
760 |
1387 |
1270 |
389 |
250 |
86 |
95 |
Table 2. Test results with S9-mix
With S9-Mix |
Test substance concentration (μg/plate) |
Mean number of revertant colonies per plate (average of 3 plates; 2 independent experiments) |
||||||||||
Base-pair substitution type |
Frameshift type |
|||||||||||
TA 100 |
TA1535 |
TA102 |
TA98 |
TA1537 |
||||||||
Experiment |
I |
II |
I |
II |
III |
I |
II |
I |
II |
I |
II |
|
+ |
0 |
143 |
96 |
8 |
11 |
- |
192 |
227 |
45 |
26 |
26 |
20 |
+ |
Solvent control |
129 |
70 |
10 |
10 |
- |
154 |
215 |
36 |
19 |
31 |
22 |
+ |
33 |
118 |
72 |
9 |
8 |
- |
144 |
201 |
46 |
20 |
28 |
24 |
+ |
100 |
118 |
76 |
8 |
9 |
- |
166 |
219 |
46 |
24 |
34 |
24 |
+ |
333 |
131 |
80 |
6 |
10 |
- |
170 |
220 |
41 |
17 |
32 |
26 |
+ |
1000 |
125 |
50 |
9 |
6 |
- |
186 |
211 |
49 |
17 |
26 |
17 |
+ |
2500 |
122 |
75 |
5 |
8 |
- |
154 |
172 |
55 |
17 |
23 |
28 |
+ |
5000 |
128 |
77 |
11 |
6 |
- |
153 |
217 |
45 |
22 |
33 |
27 |
Positive controls, +S9 |
Name |
2-AA |
2-AA |
2-AA |
2-AA |
2-AA |
||||||
Concentrations (μg/plate) |
2.5 |
2.5 |
10.0 |
2.5 |
2.5 |
|||||||
Mean No. of colonies/plate (average of 3) |
1803 |
536 |
231 |
151 |
- |
726 |
1497 |
892 |
536 |
117 |
169 |
SA = Sodium azide
4NOPD = 4-nitro-o-phenylene-diamine
MMS = Methyl methane sulfonate
2-AA = 2-Aminoanthracene
Applicant's summary and conclusion
- Conclusions:
- CLP/EU GHS criteria not met, no classification required according to Regulation (EC) No 1272/2008
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