Registration Dossier

Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2015
Reliability:
1 (reliable without restriction)

Data source

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

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
yes
Type of method:
gas saturation method

Test material

Constituent 1
Chemical structure
Reference substance name:
(3β,20β)-3-acetoxy-11-oxoolean-12-en-29-oic acid
EC Number:
228-475-1
EC Name:
(3β,20β)-3-acetoxy-11-oxoolean-12-en-29-oic acid
Cas Number:
6277-14-1
Molecular formula:
C32H48O5
IUPAC Name:
(2S,4aS,6aR,6aS,6bR,8aR,10S,12aS,14bR)-10-acetyloxy-2,4a,6a,6b,9,9,12a-heptamethyl-13-oxo-3,4,5,6,6a,7,8,8a,10,11,12,14b-dodecahydro-1H-picene-2-carboxylic acid
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Results and discussion

Vapour pressureopen allclose all
Key result
Test no.:
#1
Temp.:
ca. 20 °C
Vapour pressure:
ca. 0 Pa
Key result
Test no.:
#2
Temp.:
ca. 30 °C
Vapour pressure:
ca. 0 Pa

Any other information on results incl. tables

Sample Type

 W (g)

 Vn2(m3) T (K)   P (Pa)
 Vapor pressure at 20°C 5.8 x 10-9   0.04958 293   5.6 x 10-7      
 Vapor pressure at 30°C

1.4 x 10-7

0.06044 

303

  1.2 x 10-5      

 

Applicant's summary and conclusion

Conclusions:
The vapor pressure of Acetyl Glycyrrhetinic Acid was then stated to be  5.6 x 10-7 Pa at 20°C and  1.2 x 10-5 at 30°C and two point vapor pressure curve then determined