5-sulphosalicylic acid

pH

Administrative data

Endpoint:

pH

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2016-09-07

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

comparable to guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2016

Report date:

2016

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)

GLP compliance:

not specified

Test material

Test material information

Constituent 1

Reference substance name:

2-hydroxy-5-sulfobenzoic acid monohydrate

Cas Number:

304851-84-1

Molecular formula:

C7H6O6S*H20

IUPAC Name:

2-hydroxy-5-sulfobenzoic acid monohydrate

Test material form:

solid

Specific details on test material used for the study:

SOURCE OF TEST MATERIAL
- Batch No.of test material: BCBR6310V
- Purity: 98.0 %

Reagents

Reagent:

water

Results and discussion

pH value

Key result

pH value:

0.55

Temp.:

25.4 °C

Concentration:

100 g/L

Applicant's summary and conclusion

Conclusions:

In a phys-chem study similar to OECD Guideline 122, a pH of 0.55 at 25.4 °C was determined.