Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Genetic toxicity: in vitro

Currently viewing:

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:
From 1998-01-30 to 1998-3-31
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted in accordance with OECD guidelines and GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998
Report date:
1998

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
JAPAN: Guidelines for Screening Mutagenicity Testing Of Chemicals
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 471 (Bacterial Reverse Mutation Assay)
Deviations:
no
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Batch: 961113-2
Purity: 99.3wt%
Stability: Stable

Method

Species / strainopen allclose all
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Species / strain / cell type:
E. coli WP2 uvr A
Metabolic activation:
with and without
Metabolic activation system:
preincubation with S9mix
Test concentrations with justification for top dose:
Range-finding test: 5, 20, 78, 313, 1250 and 5000 ug/plate (with and without S9mix)
Main test I and II:313, 625, 1250, 2500 and 5000 (with and without S9mix):
Vehicle / solvent:
DMSO
Justification: homogeneous suspension was obtained by using DMSO.
Controls
Untreated negative controls:
no
Negative solvent / vehicle controls:
yes
True negative controls:
no
Positive controls:
yes
Positive control substance:
9-aminoacridine
sodium azide
N-ethyl-N-nitro-N-nitrosoguanidine
other: 2-(2-furyl)-3-(5-nitro-2-furyl)acrylamide, 2-aminoanthrathene
Details on test system and experimental conditions:
METHOD OF APPLICATION:preincubation

DURATION
- Preincubation period: 20 minutes
- Exposure duration: 48 hours

NUMBER OF REPLICATIONS: 3


OTHER:
Evaluation criteria:
When more than two-fold increase of revertant colony compared to that in the negative control was observed, it is considered positive.

Results and discussion

Test resultsopen allclose all
Species / strain:
S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
no cytotoxicity
Vehicle 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
Vehicle controls validity:
valid
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 Results of the Bacterial Reverse Mutation Study of the test substance (Dose-finding test)
 
With (+) or Testsubstance Number of revertants (number of colonies / plate)
without (-) concentration Base-pair change type Frameshift type
S9 mix (mg / plate) TA100 TA1535 WP2uvrA- TA98 TA1537
S9 mix       (-) Solvent control (DMSO) 120         13         12         16         6        
                   
5   115         11         16         14         8        
                   
20   120         9         16         6         4        
                   
78 121         10         20         18         8        
                   
313 115         4         19         17         8        
                   
1250 94         13         8         12         5        
                   
5000 117         14         16         11         7        
                   
S9 mix      (+) Solvent control (DMSO) 146         12         15         25         12        
                   
5   135         11         29         24         15        
                   
20   152         12         21         23         22        
                   
78 137         9         15         32         10        
                   
313 124         3         17         24         13        
                   
1250 179         10         15         28         14        
                   
5000 213         10         25         20         8        
                   
Positive control Name AF-2 NaN3 ENNG AF-2 9-AA
Concentration (mg / plate) 0.01 0.5 2 0.1 80
S9 mix (-) Number of revertants 671         185         465         251         664        
                   
Positive control Name 2-AA 2-AA 2-AA 2-AA 2-AA
Concentration (mg / plate) 1 2 10 0.5 2
S9 mix (+) Number of revertants 556         82         460         235         72        
                                                 
(Note) †: Precipitates was observed.             (Mean)
Solvent control : DMSO
            
AF-2: 2-(2-furyl)-3-(5-nitro-2-furyl)acrylamide, NaN3: sodium azide,
ENNG:N-ethyl-N'-nitro-N'-nitrosoguanidine, 9-AA: 9-aminoacridine hydrochloride, 2-AA: 2-aminoanthracene

Table 2 Results of the Bacterial Reverse Mutation Study of the test substance (Main Test 1)
 
With (+) or Testsubstance Number of revertants (number of colonies / plate)
without (-) concentration Base-pair change type Frameshift type
S9 mix (mg / plate) TA100 TA1535 WP2uvrA- TA98 TA1537
S9 mix       (-) Solvent control (DMSO) 116         10         13         18         4        
93 ( 107 ) 8 ( 7 ) 13 ( 12 ) 18 ( 15 ) 5 ( 4 )
112   12 ) 4   3 ) 11   1 ) 10   5 ) 3   1 )
313 129         6         14         6         1        
135 ( 124 ) 7 ( 6 ) 7 ( 10 ) 14 ( 10 ) 1 ( 1 )
108   14 ) 6   1 ) 10   4 ) 9   4 ) 2   1 )
625 114         9         12         12         2        
124 ( 122 ) 7 ( 8 ) 14 ( 11 ) 7 ( 12 ) 4 ( 2 )
127   7 ) 9   1 ) 6   4 ) 18   6 ) 1   2 )
1250 118         3         12         12         2        
119 ( 117 ) 7 ( 5 ) 5 ( 9 ) 9 ( 9 ) 2 ( 2 )
114   3 ) 4   2 ) 9   4 ) 6   3 ) 2   0 )
2500 110         9         14         9         2        
100 ( 104 ) 7 ( 6 ) 8 ( 9 ) 11 ( 11 ) 2 ( 2 )
102   5 ) 3   3 ) 6   4 ) 13   2 ) 2   0 )
5000 116         6         10         6         1        
116 ( 118 ) 5 ( 5 ) 11 ( 13 ) 16 ( 11 ) 1 ( 1 )
122   3 ) 3   2 ) 17   4 ) 11   5 ) 2   1 )
S9 mix      (+) Solvent control (DMSO) 156         14         21         23         5        
143 ( 151 ) 6 ( 9 ) 16 ( 17 ) 26 ( 24 ) 10 ( 6 )
154   7 ) 7   4 ) 15   3 ) 22   2 ) 2   4 )
313 136         9         11         18         7        
157 ( 147 ) 8 ( 9 ) 15 ( 13 ) 21 ( 17 ) 4 ( 5 )
148   11 ) 10   1 ) 14   2 ) 12   5 ) 3   2 )
625 152         9         19         20         6        
159 ( 160 ) 7 ( 8 ) 18 ( 16 ) 21 ( 22 ) 3 ( 8 )
168   8 ) 8   1 ) 10   5 ) 25   3 ) 15   6 )
1250 183         7         14         20         7        
148 ( 159 ) 11 ( 9 ) 23 ( 16 ) 19 ( 20 ) 5 ( 6 )
145   21 ) 8   2 ) 11   6 ) 21   1 ) 6   1 )
2500 163         10         15         20         3        
176 ( 169 ) 19 ( 14 ) 14 ( 13 ) 18 ( 20 ) 6 ( 4 )
168   7 ) 14   5 ) 9   3 ) 22   2 ) 2   2 )
5000 167         12         17         18         2        
187 ( 177 ) 4 ( 8 ) 16 ( 16 ) 23 ( 19 ) 2 ( 3 )
177   10 ) 9   4 ) 16   1 ) 16   4 ) 4   1 )
Positive control Name AF-2 NaN3 ENNG AF-2 9-AA
Concentration (mg / plate) 0.01 0.5 2 0.1 80
S9 mix (-) Number of revertants 642         188         535         226         642        
710 ( 674 ) 166 ( 180 ) 564 ( 573 ) 215 ( 221 ) 766 ( 693 )
669   34 ) 186   12 ) 619   43 ) 222   6 ) 671   65 )
Positive control Name 2-AA 2-AA 2-AA 2-AA 2-AA
Concentration (mg / plate) 1 2 10 0.5 2
S9 mix (+) Number of revertants 556         111         466         253         73        
544 ( 566 ) 109 ( 112 ) 477 ( 446 ) 282 ( 277 ) 75 ( 72 )
597   28 ) 117   4 ) 394   45 ) 296   22 ) 69   3 )
(Notes) †: Precipitates was observed.             (Mean)
(±S.D.)
AF-2: 2-(2-furyl)-3-(5-nitro-2-furyl)acrylamide, NaN3: sodium azide,
ENNG:N-ethyl-N'-nitro-N'-nitrosoguanidine, 9-AA: 9-aminoacridine hydrochloride, 2-AA: 2-aminoanthracene

Table 3 Results of the Bacterial Reverse Mutation Study of the test substance (Main Test 2)
 
With (+) or Testsubstance Number of revertants (number of colonies / plate)
without (-) concentration Base-pair change type Frameshift type
S9 mix (mg / plate) TA100 TA1535 WP2uvrA- TA98 TA1537
S9 mix       (-) Solvent control (DMSO) 127         10         18         17         4        
123 ( 128 ) 18 ( 14 ) 25 ( 20 ) 13 ( 12 ) 5 ( 4 )
133   5 ) 14   4 ) 18   4 ) 6   6 ) 3   1 )
313 122         10         21         9         3        
122 ( 115 ) 12 ( 11 ) 17 ( 17 ) 5 ( 9 ) 7 ( 4 )
100   13 ) 12   1 ) 13   4 ) 12   4 ) 1   3 )
625 127         11         20         9         4        
126 ( 121 ) 12 ( 12 ) 26 ( 23 ) 13 ( 10 ) 6 ( 4 )
111   9 ) 12   1 ) 23   3 ) 7   3 ) 1   3 )
1250 117         13         24         8         4        
125 ( 117 ) 11 ( 13 ) 16 ( 19 ) 11 ( 12 ) 2 ( 3 )
108   9 ) 14   2 ) 16   5 ) 16   4 ) 3   1 )
2500 88         10         17         13         4        
129 ( 115 ) 10 ( 10 ) 15 ( 17 ) 7 ( 10 ) 4 ( 3 )
128   23 ) 9   1 ) 20   3 ) 11   3 ) 2   1 )
5000 117         18         19         7         2        
90 ( 114 ) 12 ( 13 ) 17 ( 20 ) 5 ( 6 ) 5 ( 3 )
136   23 ) 10   4 ) 24   4 ) 7   1 ) 3   2 )
S9 mix      (+) Solvent control (DMSO) 138         19         23         19         8        
121 ( 133 ) 13 ( 15 ) 24 ( 24 ) 26 ( 22 ) 6 ( 6 )
139   10 ) 13   3 ) 24   1 ) 21   4 ) 4   2 )
313 144         22         25         17         6        
160 ( 149 ) 17 ( 18 ) 27 ( 25 ) 25 ( 20 ) 3 ( 5 )
142   10 ) 16   3 ) 22   3 ) 18   4 ) 6   2 )
625 138         24         29         19         8        
138 ( 154 ) 22 ( 20 ) 24 ( 27 ) 16 ( 17 ) 6 ( 7 )
185   27 ) 13   6 ) 29   3 ) 17   2 ) 7   1 )
1250 192         25         24         17         6        
180 ( 191 ) 18 ( 22 ) 29 ( 26 ) 22 ( 19 ) 3 ( 5 )
201   11 ) 23   4 ) 25   3 ) 19   3 ) 7   2 )
2500 175         22         23         25         3        
186 ( 175 ) 14 ( 18 ) 31 ( 29 ) 17 ( 20 ) 4 ( 5 )
165   11 ) 19   4 ) 32   5 ) 19   4 ) 8   3 )
5000 178         17         33         23         8        
175 ( 178 ) 22 ( 19 ) 19 ( 24 ) 19 ( 19 ) 4 ( 6 )
182   4 ) 17   3 ) 19   8 ) 15   4 ) 7   2 )
Positive control Name AF-2 NaN3 ENNG AF-2 9-AA
Concentration (mg / plate) 0.01 0.5 2 0.1 80
S9 mix (-) Number of revertants 651         181         403         238         571        
689 ( 682 ) 156 ( 168 ) 451 ( 412 ) 248 ( 235 ) 615 ( 646 )
705   28 ) 168   13 ) 382   35 ) 220   14 ) 752   94 )
Positive control Name 2-AA 2-AA 2-AA 2-AA 2-AA
Concentration (mg / plate) 1 2 10 0.5 2
S9 mix (+) Number of revertants 495         104         382         248         86        
513 ( 512 ) 100 ( 101 ) 332 ( 340 ) 235 ( 241 ) 80 ( 83 )
529   17 ) 99   3 ) 306   39 ) 241   7 ) 84   3 )
(Notes) †: Precipitates was observed.             (Mean)
(±S.D.)
AF-2: 2-(2-furyl)-3-(5-nitro-2-furyl)acrylamide, NaN3: sodium azide,
ENNG:N-ethyl-N'-nitro-N'-nitrosoguanidine, 9-AA: 9-aminoacridine hydrochloride, 2-AA: 2-aminoanthracene

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information):
negative

The test substance was negative for mutagenic activity.