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Study Information
Study Attribute Value
CEBS Accession Number: 002-02466-0005-0000-5
Chemical Name: Methylenedianiline
CASRN: 101-77-9
NTP Study Type: Genetic Toxicology - Rodent Cytogenetics
NTP Study ID: 535562_SCE
Study Result: Positive


Table Instructions and Notes:

Below are the detailed Sister Chromatid Exchange data. You may also view the summary data for this study.


Detailed Sister Chromatid Exchange Data (Trial 1)
Initial Treatment Date Tissue Sample Time (h) Sex Species Strain Protocol Trial Result
02/06/1986 Bone Marrow 23 Male Mouse B6C3F1 IP/IJ x 1,  23 hour Negative

Test Group Dose
(mg/kg)
Animal
Number
No.
Cells
SCE / Cell
Mean ± SEM
Vehicle Control Dimethyl Sulfoxide
 0         
3211 25 3.50 ± 0.388
    3212 25 4.54 ± 0.335
    3213 25 5.23 ± 0.437
    3214 25 3.71 ± 0.380
Average   4.25 ± 0.398
 
Test Chemical Methylenedianiline
50         
3195 25 8.76 ± 0.910
    3196 25 6.56 ± 0.757
    3197 25 5.34 ± 0.471
    3198 25 6.18 ± 0.612
Average   6.72 ± 0.730
 
Test Chemical Methylenedianiline
100         
3200 25 3.48 ± 0.299
    3201 25 4.07 ± 0.460
    3202 25 6.75 ± 0.621
    3203 25 4.50 ± 0.329
Average   4.70 ± 0.715
 
Test Chemical Methylenedianiline
200         
3205 25 4.39 ± 0.378
    3206 25 4.41 ± 0.426
    3207 25 3.68 ± 0.309
    3208 25 4.22 ± 0.413
Average   4.17 ± 0.170
 
Positive Control Dimethylbenzanthracene
2.5       
3215 25 8.00 ± 0.840
    3216 25 6.86 ± 0.478
    3217 25 9.48 ± 0.780
    3218 25 6.92 ± 0.744
Average   7.82 ± 0.612
 

Footnotes:
IP/IJ: Intraperitoneal Injection
n: Number of animals analyzed