Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018 March 14
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 19268
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Potassium hydrogen 7-aminonaphthalene-1,3-disulphonate
EC Number:
212-669-8
EC Name:
Potassium hydrogen 7-aminonaphthalene-1,3-disulphonate
Cas Number:
842-15-9
Molecular formula:
C10H9NO6S2.K
IUPAC Name:
potassium hydrogen 7-aminonaphthalene-1,3-disulfonate
Test material form:
solid: particulate/powder
Details on test material:
grey powder
Specific details on test material used for the study:
Test substance: NDG
Appearance powder


Reagents

Reagent:
water

Results and discussion

pH value
Key result
pH value:
2.7
Temp.:
20 °C
Concentration:
1 vol%

Applicant's summary and conclusion

Conclusions:
pH of NDG in 1% water at 20°C is measured at 2.7
Executive summary:

pH of NDG in 1% water at 20°C is measured at 2.7