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EC number: 216-088-0 | CAS number: 1493-27-2
- 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
- Remarks:
- Type of genotoxicity: gene mutation
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: No GLP study but the determination of mutagenic activity was carried out according to Ames' procedure.
Data source
Reference
- Reference Type:
- publication
- Title:
- Structural specificity of aromatic compounds with special reference to mutagenic activity in salmonella typhimurium: a series of chloro- or fluoro-nitrobenzene derivatives
- Author:
- SHIMIZU M.,YASUI Y. and MATSUMOTO N.
- Year:
- 1 983
- Bibliographic source:
- MUTAT RES 116:217-238.
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- Deviations:
- yes
- Remarks:
- A strain as S. typhimurium TA102 or E. coli WP2 or WP2(pKM101) allowing the detection of cross-linking mutagens has not been tested.
- GLP compliance:
- no
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- 1-fluoro-2-nitrobenzene
- EC Number:
- 216-088-0
- EC Name:
- 1-fluoro-2-nitrobenzene
- Cas Number:
- 1493-27-2
- Molecular formula:
- C6H4FNO2
- IUPAC Name:
- 1-fluoro-2-nitrobenzene
- Details on test material:
- - Name of test material (as cited in study report): o-Fluoronitrobenzene
- Analytical purity: 98 %
Constituent 1
Method
Species / strain
- Species / strain / cell type:
- other: S. typhimurium TA98, TA1538, TA1537, TA100 and TA1535
- Metabolic activation:
- with and without
- Metabolic activation system:
- Male Sprague-Dawley rats, weighing 100-200 g (5 weeks old), were injected with PCB at a dose of 500 mg/kg bw, 5 days before they were killed.
- Test concentrations with justification for top dose:
- 0.02, 0.04, 0.08, 0.16, 0.32, 0.64, 1.28 and 2.56 µl
- Vehicle / solvent:
- - Vehicle(s)/solvent(s) used: DMSO
Controls
- Untreated negative controls:
- yes
- Remarks:
- DMSO served as control
- Negative solvent / vehicle controls:
- yes
- True negative controls:
- no
- Positive controls:
- yes
- Positive control substance:
- 9-aminoacridine
- 2-nitrofluorene
- N-ethyl-N-nitro-N-nitrosoguanidine
- other: 2-aminoanthracene
- Details on test system and experimental conditions:
- METHOD OF APPLICATION: preincubation
DURATION
- Preincubation period: 15 min
- Exposure duration: 3 days
MUTATION TEST PROTOCOL:
A poure-plate method for quantitative determination of mutagenic activity was carried out according to Ames' procedure (Ames et al., 1973). In brief, a volume of 0.1 ml of various concentrations of test compounds were added to a sterile test-tube containing 3-6 x 10exp7 bacterial cells, 0.5 ml of S9 mix or sodium phosphate buffer (pH 7.4). This mixutre was preincubated in a shaker water-bath at 37 °C for 15 min, then added to 2 ml molten top agar (45 °C). The contents of each tube were mixed well and immediataly poured onto the surface f a minimal-agar plate. A control plate contained 01.05 ml of DMSO. Plates were inverted and incubated at 37 °C in the dark for 3 days. Colonies of His+ revertants were counted after incubation, and chemicals inducing more than twice the number of revertant colonies on the control plate were considered as mutagenic. Test were performed in duplicate and repeated at least 3 times separately. A contamination test was carried out through each experiment. The background bacterial lawn was routinely checked by microscopy, as high doses of the complexes proved toxic to all strains resulting in a thinning out of the bacterial lawn - Evaluation criteria:
- Chemical inducing more than twice the number of colonies on the control plate were considered as mutagenic.
- Statistics:
- No statistic was performed.
Results and discussion
Test results
- Key result
- Species / strain:
- other: S. typhimurium TA98, TA1538, TA1537, TA100 and TA1535
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Remarks:
- at 1.28 µl
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- not examined
- Positive controls validity:
- valid
- Remarks on result:
- other: all strains/cell types tested
- Remarks:
- Migrated from field 'Test system'.
Any other information on results incl. tables
Table 1: Mutagenicity of o-fluoronitrobenzene compound in S. typhimurium TA98, TA 1538, TA1537, TA100 and TA1535
Compound | Dose per plate | His+ revertants/plate | |||||||||
TA98 | TA1538 | TA1537 | TA100 | TA1535 | |||||||
-S9 | +S9 | -S9 | +S9 | -S9 | +S9 | -S9 | +S9 | -S9 | +S9 | ||
DMSO | 0,05 ml | 28 +/-6 (16-23) |
30 +/-5 (18-25) |
22 +/-7 (13-17) |
24 +/-5 (16-22) |
8 +/-3 (5-8) |
11 +/-4 (6-10) |
181 +/-23 (148-166) |
175 +/-36 (152-170) |
32 +/-8 (18-26) |
30 +/- 9 (18-27) |
ENNG | 2 µg | - | - | - | - | - | - | 1994 +/-377 | - | - | - |
10 µg | - | - | - | - | - | - | - | - | 2489 +/-287 | - | |
2-NF | 5 µg | 1798 +/-258 | - | - | - | - | - | - | - | - | - |
2 µg | - | - | 1649 +/-228 | - | - | - | - | - | - | - | |
9-AA | 100 µg | - | - | - | 1288 +/-198 | - | - | - | - | - | |
2-AA | 5 µg | - | 1249 +/-202 | - | 753 +/-62 | - | 132 +/-36 | - | 1549 +/-269 | - | 174 +/-23 |
2-fluoronitrobenzene | 0.02 µl | 32 +/-3 | 34 +/-5 | 23 +/-3 | 27 +/-6 | 8 +/-2 | 12 +/-3 | 189 +/-17 | 198 +/-21 | 27 +/-4 | 32 +/-4 |
0.04 µl | 30 +/-3 | 33 +/-3 | 26 +/- 2 | 30 +/-4 | 9 +/-2 | 12 +/-4 | 186 +/-18 | 201 +/-24 | 31 +/-5 | 35 +/-7 | |
0.08 µl | 31 +/-4 | 34 +/-3 | 23 +/- 3 | 26 +/-4 | 12 +/-4 | 8 +/-2 | 184 +/- 15 | 190 +/-18 | 32 +/-6 | 31 +/-4 | |
0.16 µl | 26 +/-3 | 31 +/- 4 | 24 +/-2 | 26 +/-3 | 10 +/-3 | 10 +/-2 | 189 +/-18 | 194 +/-14 | 36 +/-4 | 40 +/-6 | |
0.32 µl | 33 +/- 2 | 22 +/- 3 | 26 +/-4 | 33 +/-4 | 9 +/- 2 | 9 +/-2 | 196 +/-17 | 178 +/- 19 | 30 +/- 5 | 32 +/-4 | |
0.64 µl | 22 +/- 3 | 34 +/-6 | 23 +/-2 | 24 +/-3 | 11 +/-2 | 10 +/- 3 | 158 +/-12 | 194 +/-22 | 29 +/-4 | 36 +/-6 | |
1.28 µl | 2 +/-8* | 15 +/- 3 | 12 +/-5* | 19 +/- 3 | 2 +/-3* | 6 +/- 2 | 133 +/- 18* | 156 +/-9* | 22 +/- 3 | 28 +/-6 | |
2.56 µl | 0* | 0* | 0* | 0* | 0* | 0* | 0* | 46 +/-28* | 3 +/-5* | 10 +/-8* |
Data represents the results of 3 separate experiments and give the mean values of 3 plates. The number of revertant colonies indicates mean +/- standard deviation. All these revertant colonies were counted after 68 - 72 h incubation.
() indicates range in number of revertant colonies of control (DMSO) which was counted after 44 -48h incubation.
* indicates toxic effect.
0 indicates no revertants detectable.
Control: average value of all control groups in each assay.
Applicant's summary and conclusion
- Conclusions:
- Under the experimental conditions of this test, 2-fluoronitrobenzene did not show any mutagenic effect.
- Executive summary:
The mutagenicity of 2-fluoronitrobenzene compound in Salmonella typhimurium (strains TA98, TA1538, TA1537, TA100 and TA1535) was examined. A pour-plate method for quantitative determination of mutagenic activity was carried out according to Ames' procedure (Ames et al., 1973). All tests were performed in duplicate and repeated at least 3 times separately. The tests were carried out under the conditions of absence and presence of liver microsomal activation. Compound tested was dissolved in sterilized dimethyl sulphoxide (DMSO). In all tests the current vehicle and positive control were within acceptable ranges. It was concluded that 2-fluoronitrobenzene did not demonstrate mutagenic potential in this in vitro bacterial reverse mutation assay, under the experimental conditions described.
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