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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
vapour pressure
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
KOWWIN v1.68 EPI suit4.0
Author:
Meylan, W.M. and P.H. Howard
Year:
1995
Bibliographic source:
http://www.epa.gov/opptintr/exposure/pubs/episuite.htm

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: REACH guidance on QSAR R.6 may/july 2008
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
(2E,2'E)-2,4,8,10-tetraoxaspiro[5.5]undecane-3,9-diylbis(2-methylpropane-2,1-diyl) bis(2-cyano-3-(3,4-dimethoxyphenyl)acrylate)
Cas Number:
2233585-18-5
Molecular formula:
C39H46N2O12
IUPAC Name:
(2E,2'E)-2,4,8,10-tetraoxaspiro[5.5]undecane-3,9-diylbis(2-methylpropane-2,1-diyl) bis(2-cyano-3-(3,4-dimethoxyphenyl)acrylate)
Test material form:
solid
Remarks:
Light yellow solid (powder)

Results and discussion

Vapour pressure
Temp.:
ca. 25 °C
Vapour pressure:
ca. 0.076 mm Hg

Applicant's summary and conclusion

Conclusions:
The vapor pressure of the sample is 0.0761 mm Hg.