3,5-Heptanedione-1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl) and 3,5-Heptanedione-1,7-bis(4-hydroxyphenyl) and 3,5-Heptanedione-1,7-bis(4-hydroxy-3-methoxyphenyl)

Vapour pressure

Administrative data

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2019

Report date:

2019

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Deviations:

no

GLP compliance:

yes

Other quality assurance:

ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)

Type of method:

gas saturation method

Test material

Test material information

Constituent 1

Reference substance name:

1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-dione

EC Number:

900-021-3

Molecular formula:

3,5-Heptanedione-1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl) :C20 H22O5, 3,5-Heptanedione-1,7 -bis(4-hydroxyphenyl) : C19H20O4, 3,5-Heptanedione-1,7-bis(4-hydroxy-3-methoxyphenyl) : C21H24O6

IUPAC Name:

1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-dione

Test material form:

solid: crystalline

Results and discussion

Vapour pressure

Key result

Temp.:

25 °C

Vapour pressure:

1.37 Pa

Remarks on result:

other: Flow meter method

Applicant's summary and conclusion

Conclusions:

Vapour pressure is 1.37Pa at 25 °C performed as per OECD TG 104 using Flow meter.