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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15 July to 15 August 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP-compliant, guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary viscometer (static)

Test material

Constituent 1
Reference substance name:
Di-tert-nonyl Polysulfide
IUPAC Name:
Di-tert-nonyl Polysulfide
Constituent 2
Reference substance name:
Polysulfides, di-tert-nonyl
EC Number:
270-336-2
EC Name:
Polysulfides, di-tert-nonyl
Cas Number:
68425-16-1
Molecular formula:
C78H110O6S5
IUPAC Name:
bis(1,1,2,3,3-pentamethylbutyl)trisulfane
Details on test material:
Characteristics: yellow, slightly viscous liquid. Batch: 8HP53702. Label: TNPS537 LOT# 8HP53702 1L. Receipt: 2010-06-03. Expiry: 2011-06-03. Storage: in the dark at room temperature.

Results and discussion

Viscosityopen allclose all
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
129
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
35.4

Applicant's summary and conclusion

Conclusions:
The viscosity of di-tert-nonyl polysulfide is 129 mm2/s at 20°C and 35.4 mm2/s at 40°C.
Executive summary:

Fox (2010) is a GLP-compliant, capillary method viscosity study following OECD guideline 114. The study is considered reliable and suitable for use for this endpoint.