Registration Dossier
Registration Dossier
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EC number: 269-110-6 | CAS number: 68187-58-6 The residue from the distillation of thermal cracked or steam-cracked residuum and/or catalytic cracked clarified oil with a softening point from 40°C to 180°C (104°F to 356°F). Composed primarily of a complex combination of three or more membered condensed ring aromatic hydrocarbons.
Water solubility
Administrative data
Link to relevant study record(s)
Description of key information
At a loading of 1000 mg petro pitch/L, the mean TOC of the water-soluble fraction (WAF) was 0.4 mg/L. at 20 °C.
A total of 0.8 to 1.4 µg/L was found in the WAF of a loading of 100 mg pitch/L at 21 °C, related to the 16 EPA PAHs (here: analogy to coal-tar pitch).
Key value for chemical safety assessment
- Water solubility:
- 0.002 mg/L
- at the temperature of:
- 20 °C
Additional information
The stated water solubility relates to the marker substance, benzo(a)pyrene (EU 2008, Tab. 1.6).
Sources:
EU (2008) Coal-Tar Pitch, high temperature - Risk Assessment. European Union Risk Assessment Report, The Netherlands [http://ecb.jrc.ec.europa.eu/esis/ ]
According to EU 2008, presented data from:
Mackay D, Shiu WY, Ma KC (1992). lllustrated Handbook of Physical-Chemical Properties and Environmental Fate of Organic Chemicals.Lewis Publishers, Boca Raton, FL.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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