Registration Dossier
Registration Dossier
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EC number: 272-180-0 | CAS number: 68783-04-0 A complex combination of hydrocarbons obtained as the extract from the re-extraction of solvent-refined heavy paraffinic distillate. It consists of saturated and aromatic hydrocarbons having carbon numbers predominantly in the range of C20 through C50.
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
In a biomimetic extraction screening study conducted using WAFs at 100 mg/L loading rate a TDAE sample (solvent refined heavy paraffinic distillate; CAS # 68783-04-0) did not have a positive BE result (i.e. non-detect)(ExxonMobil, 2010c). A subsequent key 48-hour short-term Daphnia magna toxicity test (OECD 202, KS = 1) at 100 mg/L loading rate was carried out on this sample. The 48-hour EL50 was > 100 mg/L (ExxonMobil, 2010a).
In a supporting static 48-hour short-term daphnia (Daphnia magna) toxicity test (OECD 202; KS=1), 10 animals/loading were exposed to the WAF of heavy paraffinic distillate solvent extract (PSG 1861; CAS # 68783-04-0) at a nominal concentration of 1000 mg/L. The 48-hour EL50 was >1000 mg/L. The NOEL was determined by immobilisation, and was ≥ 1000 mg/L (BP Oil Europe 1994b).
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