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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Viscosity

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
viscosity
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Standard test procedure followed, but no GLP in place
Justification for type of information:
A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
Reason / purpose for cross-reference:
read-across: supporting information
Qualifier:
according to guideline
Guideline:
other: ASTM D 7042
GLP compliance:
no
Remarks:
Not specified
Type of method:
other: stabinger viscometer
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
0.86
Conclusions:
Under the conditions of this study a viscosity of 0.86 mm2/s was determined for the test substance, Hydrocarbons, C7-C9, isoalkanes.
Executive summary:

Under the conditions of this study a viscosity of 0.86 mm2/s was determined for the test substance, Hydrocarbons, C7-C9, isoalkanes.

Description of key information

There is no data available for Hydrocarbons, C7-C8, isoalkanes, <2% aromatics. However, data is available for structural analogue, Hydrocarbons, C7-C9, isoalkanes, <2% aromaticsand presented in the dossier. This data is read across to based on analogue read across and a discussion and report on the read across strategy is provided as an attachment in IUCLID Section 13.

The viscosity for hydrocarbons, C7, n-alkanes, isoalkanes, cyclics is between 0.5 and 1.2 mm2/s at 20°C.

Key value for chemical safety assessment

Additional information

The measurement of viscosity of petroleum distillates is covered by method ASTM D 445. A test by ExxonMobil Chemical (2010a) determined a viscosity of 0.86 mm2/s at 20°C.

This data is used for read across to Hydrocarbons, C7-C8, isoalkanes, <2% aromatics.