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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
25.10.2012 - 06.11.2012
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Measured as negative log of Hydrogen Ion concentration using pH meter & appropriate Buffers of pH 4 & 9
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
5-nitro-o-anisidine
EC Number:
202-770-5
EC Name:
5-nitro-o-anisidine
Cas Number:
99-59-2
Molecular formula:
C7H8N2O3
IUPAC Name:
2-methoxy-5-nitroaniline
Details on test material:
-Name of the test material: 5-nitro-o-anisidine
-Molecular formula: C7H8N2O3
-Substance type: Organic

Results and discussion

pH value
pH value:
5.5
Temp.:
24 °C
Concentration:
1 vol%
Remarks on result:
other: Relatively Acidic

Applicant's summary and conclusion

Conclusions:
1% by volume solution of 5-nitro-o-anisidine was found to exhibit a pH of 5.50 at 24 °C. Thus 1% by volume solution of 5-nitro-o-anisidine is relatively acidic in nature.
Executive summary:

1% by volume solution of 5-nitro-o-anisidine was found to exhibit a pH of 5.50 at 24 °C. Thus 1% by volume solution of 5-nitro-o-anisidine is relatively acidic in nature.