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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1999

Materials and methods

Principles of method if other than guideline:
not mentioned
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
Therminol 75
IUPAC Name:
Therminol 75
Constituent 2
Reference substance name:
Terphenyl
EC Number:
247-477-3
EC Name:
Terphenyl
Cas Number:
26140-60-3
Molecular formula:
C18H14
IUPAC Name:
2-phenyl-1,1'-biphenyl; 3-phenyl-1,1'-biphenyl; 4-phenyl-1,1'-biphenyl

Results and discussion

Any other information on results incl. tables

Liquid viscosity data are available for a number of temperatures at which the substance is a liquid.

An overview is provided here below:

Temperature (°C) / Liquid viscosity cST (mm2/s)

71 / 4.83

79 / 4.16

82 / 3.96

93 / 3.29

104 / 2.77

116 / 2.35

127 / 2.02

138 / 1.75

149 / 1.52

160 / 1.34

171 / 1.19

182 / 1.06

193 / 0.946

204 / 0.853

216 / 0.773

227 / 0.704

238 / 0.644

249 / 0.592

260 / 0.546

271 / 0.506

282 / 0.471

293 / 0.439

304 / 0.411

316 / 0.386

327 / 0.364

338 / 0.344

343 / 0.336

349 / 0.326

360 / 0.310

371 / 0.295

382 / 0.282

385 / 0.279

393 / 0.270

399 / 0.265

404 / 0.259

Applicant's summary and conclusion

Conclusions:
The viscosity was determined over a range of temperatures. The viscosity ranged from 4.83 mm2/s at 71°C to 0.259 mm2/S at 404°C.