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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The pH value was issued from a GLP-compliant experimental study primarily dedicated to measure another endpoint being the water solubility (see IUCLID section 4.8).
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report date:
2014

Materials and methods

Principles of method if other than guideline:
The study was primarily dedicated to measure the water solubility of the test substance. The pH was measured during this study performed using a concentration of 1000 g/L
GLP compliance:
yes (incl. QA statement)
Remarks:
2013-05-06

Test material

Constituent 1
Chemical structure
Reference substance name:
2-methylglutaric acid
EC Number:
210-521-7
EC Name:
2-methylglutaric acid
Cas Number:
617-62-9
Molecular formula:
C6H10O4
IUPAC Name:
2-methylglutaric acid
Test material form:
solid: crystalline

Results and discussion

pH value
pH value:
1.5
Temp.:
19.7 °C
Concentration:
1 000 g/L
Remarks on result:
other: The test sample was clear and no undissolved test substance was observed.

Applicant's summary and conclusion

Conclusions:
The pH of 2-methylglutaric acid was equal to 1.5 at 19.7 °C and at a concentration of 1.01 × 10e3 g/L.
Executive summary:

The pH of 2-methylglutaric acid was measured during a GLP-compliant study primarily dedicated to determine the water solubility. The pH was equal to 1.5 at 19.7 °C and at a concentration of 1.01 × 10e3 g/L.