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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

pH

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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Experimental result using the standard method of analysis

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Test guideline OECD 122
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
p-anisidine
EC Number:
203-254-2
EC Name:
p-anisidine
Cas Number:
104-94-9
Molecular formula:
C7H9NO
IUPAC Name:
4-methoxyaniline
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
CAS No: 104-94-9
Chemical Name: p-anisidine
Nature of chemical: Organic

Results and discussion

pH value
pH value:
8.34
Temp.:
31.6 °C
Concentration:
1 vol%
Remarks on result:
other: Basic

Any other information on results incl. tables

Method Details

Observations

Remarks if, any

Guideline

OECD 122

 

 

Method

 

Digital pH meter

 

Principle of method

The pH of an aqueous solution or dispersion in water is determined with a digital pH meter equipped with an appropriate electrode system.

 

Temperature of 1% w/v test solution

-

27 °C

pH (RESULT)

 

-

8.34

Inference

1.   Acidic

2.   Basic

3.   Neutral

 

Basic

Applicant's summary and conclusion

Conclusions:
The pH of 1% w/v aqueous solution of the test item p-anisidine (CAS No. 104-94-9) was 8.34 at 27 °C indicating that the chemical is basic.
Executive summary:

The pH of 1% w/v aqueous solution of the test item p-anisidine (CAS No. 104-94-9) was 8.34 at 27 °C indicating that the chemical is basic.