Registration Dossier
Registration Dossier
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EC number: 211-892-8 | CAS number: 706-14-9
Viscosity
Administrative data
Link to relevant study record(s)
- Endpoint:
- viscosity
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 27/12/2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised guideline. No deviation affected the quality of the study. The substance is adequately defined (with certificate of analysis). Therefore full validation applies. Read-across is justified as data is available for an analogue with only one carbon more in the branched chain length.
- Qualifier:
- according to guideline
- Guideline:
- OECD Test Guideline 114 (Viscosity of Liquids)
- Version / remarks:
- (1981)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- rotational viscometer (dynamic)
- Specific details on test material used for the study:
- Sample storage: at room temperature, 20°C, under nitrogen atmosphere.
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- < 10
- Temp.:
- other: 24.0°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- < 10
- Conclusions:
- The viscosity was <10 mPa.s at 20ºC.
This can be considered as a fluid liquid (close to water). - Executive summary:
Read-across for (gamma)-Decalactone is justified as data is available for an analogue with only one carbon more in the branched chain length.
Following OECD 114 guideline (rotational viscometer), the viscosity of (gamma)-Undecalactone was <10 mPa.s at 20ºC (below the application range of the method).
- Endpoint:
- viscosity
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 27/12/2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised guideline. No deviation affected the quality of the study. The substance is adequately defined (with certificate of analysis). Therefore full validation applies. Read-across is justified as data is available for an analogue with only one carbon less in the branched chain length.
- Qualifier:
- according to guideline
- Guideline:
- OECD Test Guideline 114 (Viscosity of Liquids)
- Version / remarks:
- (1981)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- rotational viscometer (dynamic)
- Specific details on test material used for the study:
- Sample storage: at room temperature, 20°C, under nitrogen atmosphere.
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- < 10
- Temp.:
- other: 24.0°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- < 10
- Conclusions:
- The viscosity was <10 mPa.s at 20ºC.
This can be considered as a fluid liquid (close to water). - Executive summary:
Read-across for (gamma)-Decalactone is justified as data is available for an analogue with only one carbon less in the branched chain length.
Following OECD 114 guideline (rotational viscometer), the viscosity of (gamma)-Nonalactone was <10 mPa.s at 20ºC (below the application range of the method).
Referenceopen allclose all
Two replicates were performed at 20ºC and 24ºC (room temperature).
The mean viscosity of the test substance was determined below the detection limit of the method (10 cP).
Two replicates were performed at 20ºC and 24ºC (room temperature).
The mean viscosity of the test substance was determined below the detection limit of the method (10 cP).
Description of key information
Low viscous liquid: <10 mPa.s at 20°C (from analogues)
Key value for chemical safety assessment
Additional information
No data is available for the substance itself, however fully reliable key studies are available for two analogues with respectively only one carbon less and one more in the branched chain length. The viscosity of the test substances was measured according to OECD guideline, using a rotational viscometer. Influence of shear rate was not described. At 60 rpm and 20°C, for both substances the viscosity was below the application range of the method. For the parent compound, the interpolated result is therefore considered identical; as expressed as a limit value, it cannot be retained as key data for purpose of CSA.
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