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EC number: 944-092-9 | CAS number: -
- 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
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- Endpoint summary
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- 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
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Genetic toxicity: in vitro
Some information in this page has been claimed confidential.
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
- Study period:
- 1991-03-27 to 1991-04-12
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 991
- Report date:
- 1991
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- Deviations:
- no
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method B.17 (Mutagenicity - In Vitro Mammalian Cell Gene Mutation Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of assay:
- bacterial reverse mutation assay
Test material
- Test material form:
- solid: particulate/powder
- Details on test material:
- Direct Red 83:1
Constituent 1
Method
- Target gene:
- Histidine (Salmonella)
Tryptophan (E. coli WP2 uvr A-)
Species / strain
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and E. coli WP2
- Metabolic activation:
- with and without
- Metabolic activation system:
- The S9 mix was prepared as follows:S9 5.0 mL, 1.65 M KCL 1.0 mL, 0.4 MMgCl2 1.0mL, 0.1 M Glucose-6-phosphate 2.5 mL, 0.1 M NADP 2.0 mL, 0.2 M Sodium Phosphate buffer (pH 7.4) 25.0 mL, sterile distilled water 13.5 mL
- Test concentrations with justification for top dose:
- With and without the addition of a rat liver homogenate metabolising system at 10% in standard co-factors.
Dose range determined in preliminary toxicity assay: 8 – 5000 µg/plate in first experiment
Dose range used in preliminary: 0, 312.5, 625, 1250, 2500, 5000µg/plate
Experiment repeated on separate day using different cultures of back-strains and fresh chemical solutions. 312.5 – 5000 µg/plate
. - Vehicle / solvent:
- The solvent (sterile distilled water) control plates gave counts of revertant colonies within the normal range.sterile distilled water
Controlsopen allclose all
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- Positive controls:
- yes
- Positive control substance:
- 4-nitroquinoline-N-oxide
- Remarks:
- (-S9) -0.2 ug/plate For tester strain TA 98 Migrated to IUCLID6: 0.1 mL of 4NQO was added to a test tube containing 2.0 mL of molten, trace histidine or tryptophan supplemented top agar and 0.5 ml of pH 7.4 buffer.
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- Positive controls:
- yes
- Positive control substance:
- 9-aminoacridine
- Remarks:
- (-S9) 80 ug/plate for tester strain TA 1537 Migrated to IUCLID6: 0.1 mL of 9AA was added to a test tube containing 2.0 mL of molten, trace histidine or tryptophan supplemented top agar and 0.5 ml of pH 7.4 buffer.
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- Positive controls:
- yes
- Positive control substance:
- N-ethyl-N-nitro-N-nitrosoguanidine
- Remarks:
- (-S9). 2ug/plate for tester strain WP2 uvr A-, 3ug/plate for tester strain TA 100 and 5 ug/plate for tester strain TA 1535 Migrated to IUCLID6: 0.1 mL of ENNG was added to a test tube containing 2.0 mL of molten, trace histidine or tryptophan supplemente
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- Positive controls:
- yes
- Remarks:
- 0.1 mL of 2AA was added to a test tube containing 2.0 mL of molten, trace histidine or tryptophan supplemented top agar.
- Positive control substance:
- other: 2-aminoanthracene (2-AA)
- Remarks:
- (+S9) at 2ug/plate for tester strain TA 1535 and 20 ug/plate for tester strain WP2uvrA-
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- Positive controls:
- yes
- Remarks:
- 0.1 mL of BP was added to a test tube containing 2.0 mL of molten, trace histidine or tryptophan supplemented top agar.
- Positive control substance:
- benzo(a)pyrene
- Remarks:
- (+S9) at 5 ug/plate for tester strains: TA100, Ta 1537 and TA 98
- Details on test system and experimental conditions:
- METHOD OF APPLICATION: in agar (plate incorporation)
In This assay, overnight Sub-cultures of the master slopes were prepared in nutrient broth( oxoid limited) and incubated at 37 °C for 10 hours. These overnight cultures yielded approximately 10 Exp 8-10 Exp9 bacteria per mL.
SELECTION AGENT (mutation assays):
NUMBER OF REPLICATIONS:
3
NUMBER OF CELLS EVALUATED:
DETERMINATION OF CYTOTOXICITY
- Method:relative total growth - Evaluation criteria:
- Criteria for evaluating Results:
For a substance to be considered positive in this test system, it should have induced a dose-related and statistically significant increase in mutation rate (of at least twice the spontaneous reversion rate) in one or
more strains of bacteria in the presence and/or absence of the S9 microsomal enzymes in both experiments at sub-toxic dose levels. If the two experiments give conflicting results then a third experiment may be used
to confirm the correct response. To be considered negative the number of induced revertants compared to spontaneous revertants should be less than twofold at each dose level employed, the Intervals of which should be
between 2 and 5 fold and extend to the limits imposed by toxicity or solubility or up to the maximum recommended dose of 5000 ug/plate. In this case the limiting factor was the maximum recommended dose. - Statistics:
- A statistical analysis of the data was not required for the evaluation of the result.
Results and discussion
Test resultsopen allclose all
- Species / strain:
- S. typhimurium TA 1535
- 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
- Species / strain:
- S. typhimurium TA 1537
- 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
- Species / strain:
- S. typhimurium TA 98
- 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
- Species / strain:
- S. typhimurium TA 100
- 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
- Species / strain:
- E. coli WP2 uvr A
- 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:
- Kayarus Supra Rubine BLN caused no reduction in the growth of the bacterial lawn at any dose level either with or without metabolic activation. Kayarus Supra Rubine BLN was therefore tested up to the maximum recommended dose level of 5000 µg/plate.
Any other information on results incl. tables
Judgement |
Negative |
|
Reason for judgement and referential Matters |
No significant increase in the frequency of revertant colonies was recorded for any bacterial strain used in two separate experiments either with or without metabolic activation. An appropriate allowance of the purity of the test substance (93.7%) was made when the test material solution were prepared. A statistical analysis of the data was not required for the evaluation of the result. |
|
Test condition for the Plate method |
||
Composition |
Bacterial suspension 0.1 mL |
|
Test substance solution 0.1 mL |
||
Na-phosphate Buffer 0.5 mL |
||
S9 Mix (incase of metabolic activation method) 0.5 mL |
||
Top Agar solution: 2.0 mL |
||
Incubation |
Temperature/Time 37 °C/ 48 hours |
|
KEY TO TABLE OF RESULTS:
1. When bacterial growth is found, the applicable value is marked with an asterisk.
2. The average number of colonies for each concentration is recorded in parenthesis
3. “Number of revertants”: The observed values and average value are shown in order, beginning with the low concentration of the test substance.
4. The following postfixes are used when required:
C: Contaminated
P: precipitate
X: plate unscorable
ENNG= N-ethyl-N-nitro-N-nitrosoguanidine
4NQO= 4-nitroquinoline-N-oxide
9AA= 9-aminoacridine
2AA= 2-Aminoanthracene
BP= Benzo(a) pyrene
TABLE OF TEST RESULTS: EXPERIMENT I NAME OF THE TEST SUBSTANCE: KAYARUS SUPRA RUBINE BLN
|
|||||||||||
Number of revertants (number of colonies/plate) |
|||||||||||
With (+) S9 or Without (-) S9 |
Test substance concentration (ug/plate) |
Base-pair substitution type |
Fragmentg-type |
||||||||
0 |
TA 100 |
TA 1535 |
W2uvrA- |
TA 98 |
TA 1537 |
||||||
- |
72 |
|
15 |
|
13 |
16 |
|
15 |
|
|
|
100 |
(84.3) |
9 |
(11.7) |
19 (15.7) |
17 |
(16.7) |
16 |
(12.7) |
|
||
81 |
|
11 |
|
15 |
17 |
|
9 |
|
|
||
- |
8.0 |
61 |
|
13 |
|
14 |
16 |
|
14 |
|
|
87 |
(83.0) |
16 |
(14.7) |
13(13.7) |
14 |
(15.7) |
9 |
(10.0) |
|
||
101 |
|
15 |
|
14 |
17 |
|
7 |
|
|
||
- |
40 |
84 |
|
5 |
|
15 |
17 |
|
14 |
|
|
79 |
(76.7) |
13 |
(10.3) |
16(15.0) |
15 |
(16.0) |
10 |
(11.3) |
|
||
67 |
|
13 |
|
14 |
16 |
15 |
10 |
|
|
||
- |
200 |
89 |
|
13 |
|
11 |
15 |
|
14 |
|
|
88 |
(85.3) |
15 |
(14.3) |
13(11.3) |
16 |
16(15.7) |
9 |
(12.7) |
|
||
79 |
|
15 |
|
10 |
16 |
|
15 |
|
|
||
- |
1000 |
96 |
|
11 |
|
7 |
18 |
|
11 |
|
|
85 |
(86.9) |
10 |
(10.3) |
14(11.3) |
17 |
(17.3) |
6 |
(8.7) |
|
||
79 |
|
10 |
|
13 |
17 |
|
9 |
|
|
||
- |
5000 |
60 |
|
11 |
|
11 |
15 |
|
12 |
|
|
76 |
(74.3) |
11 |
(10.0) |
13(11.0) |
18 |
(16.0) |
16 |
(13.7) |
|
||
78 |
|
8 |
|
9 |
15 |
|
13 |
|
|
||
|
Name |
ENNG
|
ENNG |
ENNG |
4NQO |
9AA |
|||||
Positive control not requiring S9 mix |
Concentration (ug/plate) |
3.0
|
5.0 |
2.0 |
0.2 |
80.0 |
|||||
- |
Number of colonies/plate |
510 |
|
178 |
|
544 |
|
166 |
|
148 |
|
546 |
(534.7) |
189 |
(193.3) |
520 |
(534.0) |
156(158.3) |
|
152 |
(151.7) |
||
548 |
|
215 |
|
538 |
|
153 |
|
155 |
|
||
With (+) S9 or Without (-) S9 |
Test substance concentration (ug/plate) |
Base-pair substitution type |
Fragmentg-type |
|
|||||||
|
TA 100 |
TA 1535 |
W2uvrA- |
TA 98 |
TA 1537 |
|
|||||
+ |
0 |
131 |
|
14 |
|
19 |
|
17 |
|
12 |
|
123 |
(116.0) |
19 |
(15.7) |
19 |
(20.3) |
18 (17.7) |
|
15 |
(13.7) |
||
94 |
|
14 |
|
23 |
|
18 |
|
14 |
|
||
+ |
8.0 |
98 |
|
16 |
|
15 |
|
19 |
|
14 |
|
94 |
(100.7) |
11 |
(14.0) |
14 |
(14.0) |
22 (19.7) |
|
12 |
(14.0) |
||
110 |
|
15 |
|
13 |
|
18 |
|
16 |
|
||
+ |
40 |
106 |
|
11 |
|
12 |
|
19 |
|
16 |
|
99 |
(95.3) |
12 |
(10.3) |
9 |
(10.3) |
16 (16.3) |
|
14 |
(15.0) |
||
81 |
|
8 |
|
10 |
|
14 |
|
15 |
|
||
+ |
200 |
71 |
|
13 |
|
18 |
|
16 |
|
13 |
|
110 |
(85.3) |
7 |
(10.3) |
15 |
(17.3) |
15(17.3) |
|
10 |
(13.0) |
||
75 |
|
11 |
|
19 |
|
21 |
|
16 |
|
||
+ |
1000
|
73 |
|
16 |
|
7 |
|
12 |
|
10 |
|
108 |
(97.7) |
17 |
|
14 |
|
17 (14.7) |
|
11 |
(11) |
||
112 |
|
13 |
(15.3) |
15 |
(12.0) |
15 |
|
12 |
|
||
+ |
5000 |
85 |
|
8 |
|
13 |
|
14 |
|
9 |
|
71 |
(75.3) |
8 |
(7.3) |
21 |
(15.7) |
14(14.3) |
|
9 |
(8.7) |
||
70 |
|
7 |
|
13 |
|
15 |
|
8 |
|
||
|
Name |
BP
|
2AA
|
2AA |
BP
|
BP |
|||||
Positive control not requiring S9 mix |
Concentration (ug/plate) |
5.0
|
|
2.0 |
|
20.0 |
|
5.0 |
|
5.0 |
|
|
Number of colonies/plate |
339 |
|
206 |
|
505 |
|
326 |
|
123 |
|
|
|
343 |
(353.3) |
197 |
(192.7) |
570 |
(473.3) |
362 |
(369.0) |
128 |
(125.0) |
|
|
378 |
|
175 |
|
439 |
|
419 |
|
124 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information):
negative No significant increase in the frequency of revertant colonies was recorded for any bacterial strain used with any dose of Kayarus Supra Rubin BLN in two separate experiments either with or without metabolic activation.
No significant Increase in the numbers of revertant colonies was recorded for any of the bacterial strains with any dose of Kayarus Supra Rubine BLN, either with or without metabolic activation. Kayarus Supra Rubine BLN was found to be non-mutagenic under the conditions of this test - Executive summary:
A genetic toxicity test was performed ( in the period of 1991 -03 -27 to 1991 -04 -12) according to Safepharm Definitive Protocol number TX 3094 and was designed to assess the mutagenic potential of KAYARUS SUPRA RUBINE BLN using a bacterial/microsome test system. This in vitro study was based on a technique in which a mutagenic activity is assessed by exposing histidine auxotroph of Salmonella thyphimorium to various concentrations of the test material.
This method is conform to the guidelines for bacterial mutagenicity testing published by the major Japanese Regulatory Authorities including MITI, MHW, MOL and MAFF. It also meets the requirements of the OECD, EEC an USA, APA (TISCA) guidelines.
The experiments were carried out using histidine-requiring auxotroph strains of Salmonella typhimurium ( Salmonella typhimurium TA98, TA 100, TA100, TA 1535 and TA 1537) and the trytophan-requiring auxotroph strains of Escherichia coli (Escherichia coli WP2 uvrA) in the presence and absence of a post mitochondrial supernatant (S9) prepared from rat liver.
Since many compounds do not exert a mutagenic effect until they have been metabolised by enzyme systems, not available in the bacterial cell, the test material and the bacteria were also incubated in the presence of a liver microsomal fraction (S9) obtained from rats previously treated with a compound known to induce and elevated level of these enzyme.
The test study included a:
1)Preliminary toxicity study
The dose range of KAYARUS SUPRA RUBINE BLN used in the preliminary toxicity study was 0, 312.5, 625, 1250, 2500 and 5000 µg/plate. The test material was non-toxic in the strains of bacteria used (TA100 and WP2uvrA).
2) Mutation study
The results for the checks on characteristics, viability spontaneous reversion rate for each tester strain were all found to be satisfactory.
No toxicity was exhibited to any of the strains of bacteria used.
No significant increase in the frequency of revertant colonies was recorded for any bacterial strain used with any dose of Kayarus Supra Rubine BLN in two separate experiments either with or without metabolic activation. An appropriate allowance of the purity of the test substance (93.7%) was made when the test material solution were prepared. A statistical analysis of the data was not required for the evaluation of the result.
The positive control substance all produced marked increased in the number of revertant colonies and the activity of the S9 fraction was found to be satisfactory.
Therefore Kayarus Supra Rubine BLN was found to be non-mutagenic under the conditions of this test
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Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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