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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The calculation was using the scientific acceptable software program

Data source

Reference
Reference Type:
other: unpublished calculation
Title:
EPI Suite Results For CAS
Bibliographic source:
EPI Suite verion 4.11, online query 20.11.2014
Report date:
2014

Materials and methods

Principles of method if other than guideline:
calculated based on Modified Grain Method using recommended MPBPVP (v1.43) module of software EPI Suite v.4.11
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-methylhydroquinone
EC Number:
202-443-7
EC Name:
2-methylhydroquinone
Cas Number:
95-71-6
Molecular formula:
C7H8O2
IUPAC Name:
2-methylbenzene-1,4-diol

Results and discussion

Vapour pressure
Temp.:
25 °C
Vapour pressure:
0.017 Pa

Any other information on results incl. tables

using MP 128°C

Applicant's summary and conclusion

Conclusions:
The vapour pressure of test substance was calculated to be 0.0171 Pa at 25°C based on Modified Grain Method