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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: manufacturer data without proof
Principles of method if other than guideline:
method not reported
GLP compliance:
not specified
Type of method:
other: not reported
Temp.:
other: 25°C
Parameter:
dynamic viscosity (in mPa s)
Value:
212
Conclusions:
The dynamic viscosity of the substance is reported to be 212 mPas at 25°C.

Description of key information

The dynamic viscosity of the substance is reported to be 212 mPas at 25°C.

Key value for chemical safety assessment

Viscosity:
212 mPa · s (dynamic)
at the temperature of:
25 °C

Additional information

The dynamic viscosity of 2,4,7,9-Tetramethyl-5-decyne-4,7-diol, ethoxylated (1.3) is reported to be 212 mPas at 25°C. The viscosity of the target substance 2,4,7,9-Tetramethyl-5-decyne-4,7-diol, ethoxylated (3.8) is reorted to be in a similar range (< 200 mPas at 20°C).