Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: by pH meter
Principles of method if other than guideline:
Measured as negative log of Hydrogen Ion concentration using pH meter & appropriate Buffers of pH 4 & 9
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 4-aminonaphthalene-1-sulphonate
EC Number:
204-975-5
EC Name:
Sodium 4-aminonaphthalene-1-sulphonate
Cas Number:
130-13-2
Molecular formula:
C10H9NO3S.Na
IUPAC Name:
sodium 4-aminonaphthalene-1-sulfonate
Test material form:
solid: crystalline

Results and discussion

pH value
pH value:
6.23
Temp.:
25 °C
Concentration:
1 vol%
Remarks on result:
other: Near neutral

Applicant's summary and conclusion

Conclusions:
The pH of 1% (by volume) of the chemical sodium 4-aminonaphthalene-1-sulphonate was found to be 6.23 at 25oC
Executive summary:

The pH of 1% (by volume) of the chemical sodium 4-aminonaphthalene-1-sulphonate was found to be 6.23 at 25oC