Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22. December 2017
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:
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:
Sulfaguanidine
EC Number:
200-345-9
EC Name:
Sulfaguanidine
Cas Number:
57-67-0
Molecular formula:
C7H10N4O2S
IUPAC Name:
4-amino-N-carbamimidoylbenzenesulfonamide
Test material form:
solid
Details on test material:
Identity: Sulfaguanidine
Appearance: powder/white
Specific details on test material used for the study:
Name: Sulfaguanidine
Appearance: Powder/white

Reagents

Reagent:
buffer solutions

Titration of acidity and alkalinity

Details on titrant used:
The pH-electrode was calibrated with commercial available buffer solutions (Certipur, Merck at pH 4, 7 and 9) before.

Results and discussion

pH value
Key result
pH value:
6.5
Temp.:
25 °C
Concentration:
10 vol%

Any other information on results incl. tables

The pH was measured to be 6.5 in 10% solution in water (3 repetitions) at 25 C°.

Applicant's summary and conclusion

Conclusions:
The pH of sulfoguanidine at 10% in water is 6.5 (according to OECD 122 and DIN 19268:2007-05).
Executive summary:

The pH of sulfoguanidine at 10% in water is 6.5 (according to OECD 122 and DIN 19268:2007-05).