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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: Data from handbook
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: peer reviewed data
Principles of method if other than guideline:
Data from handbook
GLP compliance:
no
Type of method:
other: Data from handbook
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
0.5
Key result
Temp.:
other: 25.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
0.46
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
0.38
Conclusions:
According to Yaws (2003) the viscosity of iso-octane is 0.5010, 0.4672, and 0.3868 mPa s at 20, 25, and 40 °C, respectively.
Executive summary:

According to Yaws (2003) the viscosity of iso-octane is 0.5010, 0.4672, and 0.3868 mPa s at 20, 25, and 40 °C, respectively.

Description of key information

The measurement of viscosity of petroleum distillates is covered by method ISO 3104. The viscosity is at maximum 0.68 mm2/s at 20°C for this substance if measured with the agreed method.According to Yaws (2003) the viscosity of 2,2,4-trimethylpentane is 0.5010, 0.4672, and 0.3868 mPa s at 20, 25, and 40°C, respectively.

Key value for chemical safety assessment

Additional information