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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:
2017
Report date:
2017

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
3,3'-(1,4-phenylenediimino)bis[4,5,6,7-tetrachloro-1H-isoindol-1-one]
EC Number:
226-999-5
EC Name:
3,3'-(1,4-phenylenediimino)bis[4,5,6,7-tetrachloro-1H-isoindol-1-one]
Cas Number:
5590-18-1
Molecular formula:
C22H6Cl8N4O2
IUPAC Name:
3,3'-(1,4-phenylenediimino)bis[4,5,6,7-tetrachloro-1H-isoindol-1-one]
Test material form:
solid
Details on test material:
- Name of test material (as cited in study report): 3,3'-(1,4-phenylenediimino)bis[4,5,6,7-tetrachloro-1H-isoindol-1-one]
- Molecular Formula: C22H6Cl8N4O2
- Molecular Weight: 641.94 g/mol
- SMILES Notation: O=C(NC(=Nc(ccc(N=C(NC(=O)c1c(c(c(c2CL)CL)CL)CL)c12)c3)c3)c4c(c(c(c5CL)CL)CL)CL)c45
- InChl : 1S/C22H6Cl8N4O2/c23-11-7-9(13(25)17(29)15(11)27)21(35)33-19(7)31-5-1-2-6(4-3-5)32-20-8-10(22(36)34-20)14(26)18(30)16(28)12(8)24/h1-4H,(H,31,33,35)(H,32,34,36)
- Substance type: Organic
- Physical State: Solid

Results and discussion

pH value
Key result
pH value:
6.33
Temp.:
29 °C
Concentration:
1 other: %w/v

Any other information on results incl. tables

Table 1:

Temperature of 1% w/v test solution

-

29°C

Mean pH (RESULT)

 

-

6.33

Inference

1.   Acidic

2.   Basic

3.   Neutral

 

 

Acidic

Applicant's summary and conclusion

Conclusions:
The pH of 1% w/v dispersion of the test chemical was 6.33 at 29 °C.
Executive summary:

The pH determination of test chemical was done following OECD Guideline 122 (Determination of pH, Acidity and Alkalinity). pH of 1% w/v dispersion was measured with the help of pH meter and it was observed to be 6.33 at 29 °C.