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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Dissociation constant

Currently viewing:

Administrative data

Endpoint:
dissociation constant
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Accepted calculation method

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The value was calculated using Advanced Chemistry Development (ACD/Labs) Software V8.14 ((C) 1994-2009 ACD/Labs).
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1,2,4-triazole
EC Number:
206-022-9
EC Name:
1,2,4-triazole
Cas Number:
288-88-0
Molecular formula:
C2H3N3
IUPAC Name:
1H-1,2,4-triazole
Details on test material:
The substance was identified in CAS Registry File by CAS number. (1,2,4-Triazole)

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
10.18
Temp.:
25 °C
No.:
#2
pKa:
3
Temp.:
25 °C

Applicant's summary and conclusion