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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Study period:
2011
Reliability:
1 (reliable without restriction)

Data source

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

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
150 g of the test item were suspended in 250 ml of water at 20°C and at 30 °C. The pH was determined with a calibrated pH-electrode
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyl hydrogen 2-nitroterephthalate
EC Number:
252-360-5
EC Name:
Methyl hydrogen 2-nitroterephthalate
Cas Number:
35092-89-8
Molecular formula:
C9H7NO6
IUPAC Name:
4-(methoxycarbonyl)-3-nitrobenzoic acid
Details on test material:
purity: 99.18 %

Results and discussion

pH valueopen allclose all
pH value:
3.2
Temp.:
20 °C
Remarks on result:
other: saturated suspension
pH value:
0.03
Temp.:
30 °C
Remarks on result:
other: saturated suspension

Applicant's summary and conclusion

Conclusions:
The pH of a saturated suspension of the test item was 3.2 at 20°C and 3.0 at 30°C.