Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report Date:
2019

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
liquid
Details on test material:
IUPAC Name: (E)-1-(2-((4-((2-chloro-4-nitrophenyl)diazenyl)phenyl)(ethyl)amino)ethyl)pyridinium acetate
Molecular weight: 469.927 g/mol
Molecular formula: C23H24ClN5O4
InChI: 1S/C21H21ClN5O2.C2H4O2/c1-2-26(15-14-25-12-4-3-5-13-25)18-8-6-17(7-9-18)23-24-21-11-10-19(27(28)29)16-20(21)22;1-2(3)4/h3-13,16H,2,14-15H2,1H3;1H3,(H,3,4)/q+1;/p-1/b24-23+;
Smiles: c1[n+](cccc1)CCN(CC)c1ccc(cc1)\N=N\c1c(cc(cc1)[N+](=O)[O-])Cl.C(C)(=O)[O-]
Substance type: Organic

Results and discussion

pH value
Key result
pH value:
3.11
Temp.:
25 °C
Concentration:
1 vol%
Remarks on result:
other: No other detail available

Any other information on results incl. tables

Method Details

Observations

Temperature of 1%

w/v test solution

 

 

27.3°C

 

mean pH (RESULT)

 

3.11

 

Inference

 

1. Acidic

2. Basic

3. Neutral

 

Acidic

 

Applicant's summary and conclusion

Conclusions:
The pH of the test chemical was determined as per the test guideline OECD 122. The mean pH of the test dispersion was determined with the help of digital pH meter. The mean pH was determine to be 3.11 at 27.3 °C.
Executive summary:

The pH of the  test chemical was determined as per the test guideline OECD 122. The mean pH of the test dispersion was determined with the help of digital pH meter. The mean pH was determine to be 3.11 at 27.3 °C.