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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Reference
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Adequacy of study:
key study
Study period:
November 30th, 2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
1. SOFTWARE
iSafeRat® HA-QSAR toolbox

2. MODEL (incl. version number)
iSafeRat® HA-QSAR v 1.3 to predict Vapour Pressure

3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL
see attached QPRF

4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL
See attached QMRF

5. APPLICABILITY DOMAIN
See attached QPRF

6. ADEQUACY OF THE RESULT
See attached QPRF
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to other study
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
QSAR
Deviations:
not applicable
Principles of method if other than guideline:
See attached QMRF and QPRF
GLP compliance:
no
Type of method:
other: QSAR
Key result
Temp.:
25 °C
Vapour pressure:
0.402 Pa
Remarks on result:
other: 95% confidence limits (Pa) = 0.304 - 0.530
Conclusions:
Vapour pressure of DIETHYL TARTRATE is predicted to be 0.402 Pa at 25°C with a 95% confidence limits of 0.304 Pa to 0.530 Pa.
(Low volatility (based on volatility bands criteria for occupational exposure (Chesar / ECETOC TRA), << 500 Pa)
Executive summary:

Vapour pressure, VP, of the substance DIETHYL TARTRATE, has been calculated by the model iSafeRat® vapour pressure HA-QSAR v1.3. Calculation was performed from the input Boiling point of diethyl DL-tartrate, and DIETHYL TARTRATE falls inside the Applicability Domain of the model.

Therefore, the VP value of DIETHYL TARTRATE is predicted to be 0.402 Pa at 25°C with a 95% interval limits of 0.304 to 0.530 Pa.

Description of key information

The Vapour Pressure (Vp) of DIETHYL TARTRATE is predicted to be 0.402 Pa at 25°C with a 95% interval limits of 0.304 to 0.530 Pa (estimated by QSAR).

(Low volatility (based on volatility bands criteria for occupational exposure (Chesar / ECETOC TRA), << 500 Pa)

Key value for chemical safety assessment

Vapour pressure:
0.402 Pa
at the temperature of:
25 °C

Additional information

Vapour pressure, VP, of the substance DIETHYL TARTRATE, has been calculated by the model iSafeRat® HA-QSAR v1.3. Calculation was performed from the input Boiling point of diethyl DL-tartrate, and DIETHYL TARTRATE falls inside the Applicability Domain of the model.

Therefore, the VP value of DIETHYL TARTRATE is predicted to be 0.402 Pa at 25°C with a 95% interval limits of 0.304 to 0.530 Pa.