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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Partition coefficient

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Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
GLP compliance:
no
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-dimethylurea
EC Number:
202-498-7
EC Name:
1,3-dimethylurea
Cas Number:
96-31-1
Molecular formula:
C3H8N2O
IUPAC Name:
1,3-dimethylurea
Details on test material:
- Name of test material (as cited in study report): 1,3-Dimethylurea
- Analytical purity: 99.4 %

Study design

Analytical method:
other: Nitrogen-determination by KJELDAHL (water phase) and DOHRMANN (octanol phase)

Results and discussion

Partition coefficient
Type:
log Pow
Partition coefficient:
-0.783
Temp.:
25 °C

Any other information on results incl. tables

Mean value, determined from 3 measurements (log Kow: -0.787, -0.779,  -0,783)

Applicant's summary and conclusion