Registration Dossier
Registration Dossier
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EC number: 270-727-8 | CAS number: 68477-38-3 A complex combination of hydrocarbons obtained by distilling cracked steam cracked distillate and/or its fractionation products. It consists of hydrocarbons having carbon number predominantly in the range of C10 to low molecular weight polymers.
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
The 96 hour LC50/LL50 toxicity to fish for this Category was in the range of 1.1 - 48 mg/L.
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 1.1 mg/L
Additional information
A range of proprietary studies were available for members of this Category which reported 96 hour LC50 or LL50 of between 1.0 and 48 mg/L.
Two studies were available for the stream 64742-90-1 from Brixham Environmental Laboratory Astrazeneca UK Ltd (2004) and TNO (1989) which respectively reported LL50 of 32 mg/L and 48 mg/L. A study available from ExxonMobil (2004a, 2004b) reported LL50 values of 1.1 mg/L stream 68513 -69 -9. BASF (1983) stated an LL50 of >22 - <32 mg/L for the stream 85117-10-8 and an LL50 of 4.9 mg/L for the same stream (BASF 2008).
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