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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Distribution modelling

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Administrative data

Endpoint:
distribution modelling
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable method
Justification for type of information:
1. SOFTWARE
see Mackay, D. 2001. "Multimedia Environmental Models: The Fugacity Approach - Second Edition", Lewis Publishers, Boca Raton, pp. 1-261.

2. MODEL (incl. version number)
Mackay Level I v3.00

3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL
- molar mass
- temperature
- water solubility
- vapor pressure
- melting point
- log kow

4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL
For details see Mackay, D. (2001); Mackay et al. (1996)

5. APPLICABILITY DOMAIN
For details see Mackay, D. (2001); Mackay et al. (1996)

6. ADEQUACY OF THE RESULT
A Level I calculation is not required under REACh but gives a general impression of the likely media into which a chemical will tend to partition and an indication of relative concentrations in each medium.

Data source

Reference
Reference Type:
other: Mackay Level I calculation
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Model:
calculation according to Mackay, Level I
Release year:
2 004
Media:
air - biota - sediment(s) - soil - water

Test material

Constituent 1
Chemical structure
Reference substance name:
N1,N1'-(iminodi-2,1-ethanediyl)bis(1,3-propanediamine)
Cas Number:
58214-71-4
Molecular formula:
C10 H27 N5
IUPAC Name:
N1,N1'-(iminodi-2,1-ethanediyl)bis(1,3-propanediamine)
Details on test material:
- Name of test material (as cited in study report): 1,3-Propanediamine, N,N''-(iminodi-2,1-ethanediyl)bis-

Study design

Test substance input data:
- Molar mass: 217.36 g/mol
- Data temperature: 20 °C
- Water solubility: 1E+06mg/L (calculated, WSKOW v1.42, EPI Suite v4.11)
- Vapour pressure: 0.00258 Pa (calculated, MPBVP v1.43, EPI Suite v4.11)
- log Pow: -2.1782 (calculated, KOWWIN v1.68, EPI Suite v4.11)
- Melting point: 120.99°C (calculated, MPBVP v1.43, EPI Suite v4.11)
Environmental properties:
Volume Density Org. C Fish lipid
(m³) (kg/m³) (g/g) (g/g)
air 6.0E+09 1.21
water 7.0E+06 1000
soil 45000 1500 0.02
sediment 21000 1300 0.05
susp. part. 35.0 1500 0.167
fish 7.0 1000 0.05
aerosole 0.120 1500

Results and discussion

Percent distribution in media

Air (%):
0
Water (%):
100
Soil (%):
0
Sediment (%):
0
Susp. sediment (%):
0
Biota (%):
0
Aerosol (%):
0

Any other information on results incl. tables

Over time, the substance will preferentially distribute into the compartment water (100%).

However, since the substance will be ionized under environmentally relevant conditions, the distribution into water may still be underestimated.

Applicant's summary and conclusion