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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
Modelled data provided. Sufficient for assessment.

Data source

Reference
Reference Type:
other: modelled data
Title:
EPISUITE 4.1 Results for F-37
Author:
U.S. EPA
Year:
2018
Bibliographic source:
U.S. EPA
Report date:
2018

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Modelled data using an accepted model.
GLP compliance:
no
Type of method:
calculation method (fragments)
Partition coefficient type:
octanol-water

Test material

Constituent 1
Reference substance name:
n-phenyl n-acetoacetyl glycine ethyl ester
IUPAC Name:
n-phenyl n-acetoacetyl glycine ethyl ester
Test material form:
liquid

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
0.87
Temp.:
25 °C
pH:
7

Any other information on results incl. tables

KOWWIN Program (v1.68) Results:

===============================

Log Kow(version 1.68 estimate): 0.87

SMILES : CC(=O)CC(=O)N(CC(=O)OCC)c1ccccc1

CHEM : F-37

MOL FOR: C14 H17 N1 O4

MOL WT : 263.30

-------+-----+--------------------------------------------+---------+--------

TYPE | NUM | LOGKOW FRAGMENT DESCRIPTION | COEFF | VALUE

-------+-----+--------------------------------------------+---------+--------

Frag | 2 | -CH3 [aliphatic carbon] | 0.5473 | 1.0946

Frag | 3 | -CH2- [aliphatic carbon] | 0.4911 | 1.4733

Frag | 6 | Aromatic Carbon | 0.2940 | 1.7640

Frag | 1 | -N [aliphatic N, one aromatic attach] |-0.9170 | -0.9170

Frag | 1 | -C(=O)- [carbonyl, aliphatic attach] |-1.5586 | -1.5586

Frag | 1 | -C(=O)O [ester, aliphatic attach] |-0.9505 | -0.9505

Frag | 1 | -C(=O)N [aliphatic attach] |-0.5236 | -0.5236

Factor| 1 | Di-N urea/acetamide aromatic correction |-0.7203 | -0.7203

Factor| 1 | C-(C(=O)-)-C(=O)N structure correction | 0.9755 | 0.9755

Const | | Equation Constant | | 0.2290

-------+-----+--------------------------------------------+---------+--------

Log Kow = 0.8664

Applicant's summary and conclusion

Conclusions:
The log Kow was estimated to be 0.87.
Executive summary:

The model results are as follows:

KOWWIN Program (v1.68) Results:

===============================

Log Kow(version 1.68 estimate): 0.87

SMILES : CC(=O)CC(=O)N(CC(=O)OCC)c1ccccc1

CHEM : F-37

MOL FOR: C14 H17 N1 O4

MOL WT : 263.30

-------+-----+--------------------------------------------+---------+--------

TYPE | NUM | LOGKOW FRAGMENT DESCRIPTION | COEFF | VALUE

-------+-----+--------------------------------------------+---------+--------

Frag | 2 | -CH3 [aliphatic carbon] | 0.5473 | 1.0946

Frag | 3 | -CH2- [aliphatic carbon] | 0.4911 | 1.4733

Frag | 6 | Aromatic Carbon | 0.2940 | 1.7640

Frag | 1 | -N [aliphatic N, one aromatic attach] |-0.9170 | -0.9170

Frag | 1 | -C(=O)- [carbonyl, aliphatic attach] |-1.5586 | -1.5586

Frag | 1 | -C(=O)O [ester, aliphatic attach] |-0.9505 | -0.9505

Frag | 1 | -C(=O)N [aliphatic attach] |-0.5236 | -0.5236

Factor| 1 | Di-N urea/acetamide aromatic correction |-0.7203 | -0.7203

Factor| 1 | C-(C(=O)-)-C(=O)N structure correction | 0.9755 | 0.9755

Const | | Equation Constant | | 0.2290

-------+-----+--------------------------------------------+---------+--------

Log Kow = 0.8664