Registration Dossier
Registration Dossier
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EC number: 228-036-4 | CAS number: 6092-54-2
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
No data on the toxicity to aquatic algae and cyanobacteria are available for hexyl chloroformate. As the substance is expected to rapidly hydrolyses in contact with water to form hexanol (CAS 111 -27 -3), hydrogen chloride (CAS 7647-01-0) and carbon dioxide (CAS 124-38-9), key information on the hydrolysis products was gathered.
For the hydrolysis product hexanol an algae toxicity study is available which was performed according to OECD guideline 201 (Frauenhoferinstitut, 2005). From this study a 72 -h ErC10 value of 19.8 mg/L and a 72 -h ErC50 value of 79.7 mg/L were determined.
For the hydrolysis product hydrogen chloride a growth inhibition test in freshwater green algae (P. subcapitata) according to OECD 201 is available (OECD SIDS, 2002). From this study a 72-h ErC50 value of 0.492 mg/L (acid equivalent to pH 5.3) and a 72-h NOErC value of 0.097 mg/L (acid equivalent to pH 6) were determined.
For the hydrolysis product carbon dioxide no toxicity data are available for aquatic algae.
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