Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
distribution modelling
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable calculation.
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: Mackay Level I calculation
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Model:
calculation according to Mackay, Level I
Release year:
2 007
Media:
air - biota - sediment(s) - soil - water

Test material

Constituent 1
Chemical structure
Reference substance name:
Acetic anhydride
EC Number:
203-564-8
EC Name:
Acetic anhydride
Cas Number:
108-24-7
Molecular formula:
C4H6O3
IUPAC Name:
acetyl acetate

Study design

Test substance input data:
- Molecular Mass: 102.09 g/mol [1]
- Data Temperature: 25 °C [1]
- log Kow: -0.58 [1]
- Water Solubility: 3.59E+05 g/m3 [1]
- Vapour Pressure: 720 Pa [2]
- Melting Point: -73 °C [2]

source:
[1] EPIWIN v3.12
[2] BASF AG, Material Safety Data Sheet

Results and discussion

Percent distribution in media

Air (%):
6.61
Water (%):
93.38
Soil (%):
0
Sediment (%):
0
Susp. sediment (%):
0
Biota (%):
0
Aerosol (%):
0

Applicant's summary and conclusion