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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: peer reviewed data base

Data source

Reference
Reference Type:
secondary source
Title:
Ionization Constants of Organic Acids in Aqueous Solution, IUPAC Chem Data Series pp 989
Author:
Serjeant EP, Dempsey B
Year:
1979
Bibliographic source:
HSDB online query 11.2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: no data
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-nitrophenol
EC Number:
201-857-5
EC Name:
2-nitrophenol
Cas Number:
88-75-5
Molecular formula:
C6H5NO3
IUPAC Name:
2-nitrophenol

Results and discussion

Dissociating properties:
yes
Dissociation constant
No.:
#1
pKa:
7.23
Temp.:
25 °C

Applicant's summary and conclusion