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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

This one-to-one read across uses data generated for a chemical similar compound. For this compound information is available from a study that was performed according to GLP and to OECD TG 202 study, giving a NOEC of > 100 mg/L (nominal). Thus no toxicological effect occurs up to the limit of water solubility.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
100 mg/L

Additional information

For this endpoint information from a GLP compliant OECD TG 202 study is available. The data were obtained for a chemical similar compound and used in a one-to-one read across.

Justification for read across

Type of read across: one-to-one

Based on:

(1) chemical similarity: both compounds share a bicyclohexyl core structure and differ in alkyl substitution pattern

(2) almost identical physicochemical profile

(3) same response in relevant biological assays

  

Assay

Test item

surrogate 

Appearance

solid

solid

Similarity Score (Dice)

1,0

1,0

Water solubility

< 0,004 mg/L

  <0,06 mg/L

logP

8,2

  4,4

Molar mass

236,4 g/mol

  264,5 g/mol

Melting point

65,7 °C

  97,1 °C

Boiling Point

323,7 °C

  352 °C

Vapour Pressure

0,024 Pa               

  0,0041 Pa
 Fish acute (OECD 203)  NOEC > 100 mg/L (nominal)  NOEC > 100 mg/L (nominal)
 Fish long term data (from OECD 305)  NOEC > 100 mg/L (nominal)  NOEC > 100 mg/L (nominal)