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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: testing method performed according to OECD107

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
GLP compliance:
not specified
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
p-aminobenzamide
EC Number:
220-612-3
EC Name:
p-aminobenzamide
Cas Number:
2835-68-9
Molecular formula:
C7H8N2O
IUPAC Name:
4-aminobenzamide

Study design

Analytical method:
photometric method

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
-0.38
Temp.:
23 °C
pH:
ca. 7

Any other information on results incl. tables

Table 1: Results in detail

determ. no.

 stock solution [ml]  water [ml]  test substance conc. in n-octanol phase [mg/l]  test substance conc. in water phase [mg/l]  log Pow
 A1 5 10 372,1 153,6  -0,38 
 A2 5 10 369,3 153,1  -0,38 
 B1 10 10 474,2 195,9  -0,38 
 B2 10 10 470,0  196,3 -0,38 
 C1 20 10 552,2 230,4  -0,38 
 C2 20 10 553,7 228,6  -0,38 
 mean  ---  ---  ---  --- -0,38

Stock solution: 667,0 mg/I

Applicant's summary and conclusion

Conclusions:
Due to the partition coefficient n-octanol-water bioaccumulation is not expected.
Executive summary:

The Log Pow of the test item was determined with the shake-flask method according to OECD 107. It was found to be -0.38 at 23°C.