Sodium p-chloro-m-cresolate

pH

Administrative data

Endpoint:

pH

Type of information:

experimental study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference 1

Reference Type:

study report

Title:

Unnamed

Year:

2001

Report date:

2001

Reference 2

Reference Type:

study report

Title:

Unnamed

Year:

2008

Report date:

2008

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

CIPAC MT 75 (Determination of pH Values)

Version / remarks:

(pH determination of the 1% test solution)

Principles of method if other than guideline:

pH measurements of solutions with different degrees of dilution

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

Sodium p-chloro-m-cresolate

EC Number:

239-825-8

EC Name:

Sodium p-chloro-m-cresolate

Cas Number:

15733-22-9

Molecular formula:

C7H6ClNaO

IUPAC Name:

sodium 4-chloro-3-methylphenolate

Test material form:

solid: flakes

Details on test material:

Sample no./year: 08545/2001

Specific details on test material used for the study:

content of test substance: 73.3 %

Results and discussion

pH value

pH value 1

pH value:

10.8

Concentration:

0.1 other: % (w/w)

pH value 2

pH value:

11.5

Concentration:

1 other: % (w/w)

pH value 3

pH value:

12.3

Concentration:

10 other: % (w/w)

Applicant's summary and conclusion

Executive summary:

In a study similar to CIPAC MT 75 following pH values were determined for aqueous solutions:

pH 10.8 at a concentration of 0.1 % (w/w as hydrate)

pH 11.5 at a concentration of 1.0 % (w/w as hydrate)

pH 12.3 at a concentration of 10 % (w/w as hydrate)