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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Referenceopen allclose all

Endpoint:
dissociation constant
Type of information:
other:
Adequacy of study:
supporting study
Study period:
1980
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Dissociating properties:
yes
No.:
#1
pKa:
ca. 2.73
Conclusions:
Dissociation Constant of Penicillin V potassium is 2.73
Executive summary:

According to Osol, A. (ed.). Remington's Pharmaceutical Sciences. 16th ed. Easton, Pennsylvania: Mack Publishing Co., 1980., p. 1142


Penicillin V potassium pKa is 2.73
Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1985
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
No.:
#1
pKa:
ca. 2.73
Conclusions:
Pka of Penicillin V Potassium is 2.73
Executive summary:

According to American Hospital Formulary Service-Drug Information 85. Bethesda, MD: American Society Hospital Pharmacists, 1985. (Plus supplements A & B, 1985)., p. 8.12 152 disociation costant of Penicillin V Potassium is 2.73

Description of key information

Key value for chemical safety assessment

pKa at 20°C:
2.73

Additional information