COVID-19 is an emerging, rapidly evolving situation.

Get the latest public health information from CDC and research information from NIH.

U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Share This:
Study Information
Study Attribute Value
CEBS Accession Number: 002-01684-0002-0000-3
Chemical Name: Barium chloride dihydrate
CASRN: 10326-27-9
NTP Study Type: Genetic Toxicology - Mammalian Cell Cytogenetics
NTP Study ID: 384673_CA
Study Result: Negative

Study Result: Negative
Activation Trial Trial Call
No Activation  Negative 
Induced Rat Liver S9  1_S9  Negative 
No Activation  Negative 
Induced Rat Liver S9  2_S9  Negative 

Trial #:1   Activation: No Activation    Date: 07/17/1983    Harvest Time: 12 hour(s)   Trial Call: Negative   
  Dose
µg/mL
Total
Cells Examined
Total Aberrations Complex Aberrations Simple Aberrations Other Abs
No. of
Abs
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
Vehicle Control: Negative (Not Specified)
0         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Water
0         
100 1 0.010 1.0 1 0.010 1.0 0 0.000 0.0 0 0.000 0.0
Test Chemical: Barium chloride dihydrate
100         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
250         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
500         
100 4 0.040 3.0 1 0.010 1.0 3 0.030 2.0 0 0.000 0.0
1000         
100 1 0.010 1.0 0 0.000 0.0 1 0.010 1.0 0 0.000 0.0
1500         
100 3 0.030 3.0 2 0.020 2.0 1 0.010 1.0 0 0.000 0.0
2000         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Positive Control: Mitomycin-C
 0.25      
100 21 0.210 20.0 15 0.150 15.0 6 0.060 6.0 0 0.000 0.0
Trend: 0.925 0.296 1.008  
Probability: 0.178 0.384 0.157  


Trial #:1_S9   Activation: Induced Rat Liver S9    Date: 07/17/1983    Harvest Time: 12 hour(s)   Trial Call: Negative   
  Dose
µg/mL
Total
Cells Examined
Total Aberrations Complex Aberrations Simple Aberrations Other Abs
No. of
Abs
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
Vehicle Control: Negative (Not Specified)
0         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Water
0         
100 2 0.020 2.0 2 0.020 2.0 0 0.000 0.0 0 0.000 0.0
Test Chemical: Barium chloride dihydrate
500         
100 2 0.020 2.0 1 0.010 1.0 1 0.010 1.0 0 0.000 0.0
1600         
100 1 0.010 1.0 1 0.010 1.0 0 0.000 0.0 0 0.000 0.0
3000         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
4000         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
5000         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Positive Control: Cyclophosphamide
50         
100 49 0.490 34.0 27 0.270 20.0 22 0.220 19.0 0 0.000 0.0
Trend: -2.354 -2.103 -1.052  
Probability: 0.991 0.982 0.854  


Trial #:2   Activation: No Activation    Date: 06/21/1983    Harvest Time: 12 hour(s)   Trial Call: Negative   
  Dose
µg/mL
Total
Cells Examined
Total Aberrations Complex Aberrations Simple Aberrations Other Abs
No. of
Abs
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
Vehicle Control: Negative (Not Specified)
0         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Water
0         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Test Chemical: Barium chloride dihydrate
50         
100 2 0.020 2.0 2 0.020 2.0 0 0.000 0.0 0 0.000 0.0
160         
100 1 0.010 1.0 1 0.010 1.0 0 0.000 0.0 0 0.000 0.0
500         
100 2 0.020 2.0 1 0.010 1.0 1 0.010 1.0 0 0.000 0.0
1600         
100 2 0.020 2.0 0 0.000 0.0 2 0.020 2.0 0 0.000 0.0
5000         
0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Positive Control: Mitomycin-C
 0.25      
100 40 0.400 24.0 27 0.270 18.0 13 0.130 10.0 0 0.000 0.0
Trend: 1.075 -0.356 2.047  
Probability: 0.141 0.639 0.020  


Trial #:2_S9   Activation: Induced Rat Liver S9    Date: 06/21/1983    Harvest Time: 12.5 hour(s)   Trial Call: Negative   
  Dose
µg/mL
Total
Cells Examined
Total Aberrations Complex Aberrations Simple Aberrations Other Abs
No. of
Abs
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
No. of
Abs.
Abs
Per
Cell
% Cells
With
Abs
Vehicle Control: Negative (Not Specified)
0         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Water
0         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Test Chemical: Barium chloride dihydrate
50         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
160         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
500         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
1600         
100 2 0.020 2.0 0 0.000 0.0 2 0.020 2.0 0 0.000 0.0
5000         
100 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0 0 0.000 0.0
Positive Control: Cyclophosphamide
50         
100 38 0.380 26.0 19 0.190 15.0 19 0.190 15.0 0 0.000 0.0
Trend: 1.249 0.000 1.249  
Probability: 0.106 0.000 0.106