Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: handbook
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data obtained from a reliable handbook of physico-chemical values.

Data source

Reference
Reference Type:
review article or handbook
Title:
Heterocyclic and Miscellaneous Nitrogen Compounds
Author:
Trochimowicz HL
Year:
1994
Bibliographic source:
in Patty's Industrial Hygiene and Toxicology, 4th Ed. (GD Clayton and FE Clayton, eds), New York, John Wiley and Sons

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: no information on method
Principles of method if other than guideline:
Unknown method, as provided in a reputable handbook. We defer to the editors of the Handbook to ensure that valid methods were used to generate this data. Handling experience with this value has not resulted in the questioning of its accuracy.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Pyridine
EC Number:
203-809-9
EC Name:
Pyridine
Cas Number:
110-86-1
Molecular formula:
C5H5N
IUPAC Name:
pyridine

Results and discussion

pH value
pH value:
8.81
Temp.:
20 °C
Concentration:
100 vol%
Remarks on result:
other: basic

Applicant's summary and conclusion

Conclusions:
The pH of pyridine is 8.81.