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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method

Data source

Reference
Title:
No information
Author:
US EPA (US Environmental Protection Agency) (2005). EPIWIN program (EPI suite) calculation for 4,4'-methylenebis(cyclohexylamine) (CAS 1761-71-3). http://www.epa.gov/opptintr/exposure/docs/episuitedl.htm (for program download).

Materials and methods

Model:
other: other (calculation): EPIWIN HENRY (v3.10) Program
Release year:
2 005
Media:
water - air

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-methylenedicyclohexyl diisocyanate
EC Number:
225-863-2
EC Name:
4,4'-methylenedicyclohexyl diisocyanate
Cas Number:
5124-30-1
Molecular formula:
C15H22N2O2
IUPAC Name:
1,1'-methylenebis(4-isocyanatocyclohexane)

Results and discussion

Any other information on results incl. tables

RS-Freetext:
HENRYs LAW CONSTANT at 25 °C:
- Bond estimate:  4.54E-009 atm-m3/mole = 1.86E-007 unitless = 0.00046  Pa-m3/mole
Bond estimation:
22 Hydrogen to carbon (aliphatic) bonds -2.6329
4 Hydrogen to nitrogen bonds  5.1341
14 C-C fragments 1.6283
2 C-N fragments 2.6020
Total 6.731
- Group estimation: Incomplete
- Estimation from vapor pressure/water solubility equation using a vapor  pressure of 0.000671 mm Hg and a water solubility of 1146 mg/l:  1.621E-007 atm-m3/mole = 0.016 Pa-m3/mole

Applicant's summary and conclusion