Registration Dossier
Registration Dossier
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EC number: 266-013-0 | CAS number: 65996-79-4 The distillate from either high temperature coal tar, coke oven light oil, or coal tar oil alkaline extract residue having an approximate distillation range of 130°C to 210°C (266°F to 410°F) Composed primarily of indene and other polycyclic ring systems containing a single aromatic ring. May contain phenolic compounds and aromatic nitrogen bases.
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The 56 day NOEC for the toxicity of CAS# 68477-54-3 to micro-organisms is 47.2 mg/L.
Key value for chemical safety assessment
- EC10 or NOEC for microorganisms:
- 47.2 mg/L
Additional information
On the basis of the toxicity control vessel in the biodegradation study, CAS# 68477-54-3 is considered not to be inhibitory to micro-organisms at a concentration of 47.2 mg/L. The results are taken from a GLP-compliant, biodegradation study (ACC, 2004i) following OECD guideline 301F and is considered reliable and suitable for use for this endpoint.
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