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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well performed calculation with acknowledged software

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Calculation with Software / MPBPWIN 1.43 (Syracuse Research Corporation)
GLP compliance:
no
Type of method:
other: estimation by calculation

Test material

Constituent 1
Chemical structure
Reference substance name:
Hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzylidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)
EC Number:
287-267-9
EC Name:
Hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzylidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)
Cas Number:
85455-32-9
Molecular formula:
C13H7CrN3O10S.C11H25NO.H
IUPAC Name:
Hydrogen hydroxy[2-hydroxy-3-[(2-hydroxy-3-nitrobenzy-lidene)amino]-5-nitrobenzenesulphonato(3-)]chromate(1-), compound with 3-[(2-ethylhexyl)oxy]propylamine (1:1)

Results and discussion

Vapour pressure
Temp.:
20 °C
Vapour pressure:
2.4 Pa
Remarks on result:
other: The vapour pressure quoted is for Comp. 2 as free amine. This is an upper limit for the product. The vapour pressure of the protonated Comp. 2 will be lower. Comp. 1 (chromium complex) has negligible vapour pressure.

Applicant's summary and conclusion

Conclusions:
The calculated vapour pressure of the substance is 2.4 Pa at 20°C (based on the free amine)
Executive summary:

The vapour pressure of the substance was calculated with the Software / MPBPWIN 1.43 (Syracuse Research Corporation) and was found to be 2.4 Pa at 20 °C. The vapour pressure quoted is for Comp. 2 as free amine. This is an upper limit for the product. The vapour pressure of the protonated Comp. 2 will be lower. Comp. 1 (chromium complex) has negligible vapour pressure.