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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 study has been assessed for the use in a category approach. According to the methodology and to the extent of available details, the study has been judged as reliable with restrictions.

Data source

Reference
Reference Type:
review article or handbook
Title:
Unnamed
Year:
2006

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
no data
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
(+)-tartaric acid
EC Number:
201-766-0
EC Name:
(+)-tartaric acid
Cas Number:
87-69-4
Molecular formula:
C4H6O6
IUPAC Name:
(2R,3R)-2,3-dihydroxybutanedioic acid
Test material form:
not specified
Details on test material:
no data

Results and discussion

pH value
pH value:
ca. 2.2
Temp.:
25 °C
Remarks on result:
other: pH of 0.1 N soln

Any other information on results incl. tables

no data

Applicant's summary and conclusion

Conclusions:
The pH of a solution 0.1 N. at 25°C is 2.2