Registration Dossier
Registration Dossier
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EC number: 266-028-2 | CAS number: 65996-93-2 The residue from the distillation of high temperature coal tar. A black solid with an approximate softening point from 30°C to 180°C (86°F to 356°F). Composed primarily of a complex mixture of three or more membered condensed ring aromatic hydrocarbons.
Viscosity
Administrative data
Link to relevant study record(s)
- Endpoint:
- viscosity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Test Guideline 114 (Viscosity of Liquids)
- Qualifier:
- according to guideline
- Guideline:
- ISO 3219 (Plastics; polymers/resins in the liquid state or as emulsions or dispersions; determination of viscosity using a rotational viscometer with defined shear rate)
- Version / remarks:
- 1993
- Principles of method if other than guideline:
- Dynamic viscosity, measuring according ISO 3219:1993
- GLP compliance:
- no
- Type of method:
- rotational viscometer (dynamic)
- Specific details on test material used for the study:
- Smola S090 (REACH 31.1.08) (Composite Sample No. 08)
- Temp.:
- other: 140.0°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- ca. 9 230
- Temp.:
- other: 190.0°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- ca. 230
Reference
Description of key information
Key value for chemical safety assessment
- Viscosity:
- 9 230 mPa · s (dynamic)
- at the temperature of:
- 140 °C
Additional information
The dynamic viscosity of pitch, coal tar, high-temp. was determined according to OECD TG 114/ISO 3219 (rotational viscosimeter, dynamic) at 140 °C and 190 °C to be ca. 9230 and ca. 230 mPa*sec, respectively.
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