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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
A QSAR model was used to estimate the EC50 for ethyisothiocyanate and was published as an attachment

Data source

Reference
Reference Type:
publication
Title:
Ethylisothiocyanate - Short term aquatic toxicity on algae
Author:
Schultz,
Year:
1996
Bibliographic source:
Bull Environ Toxicol (1996], 56, 638 – 642

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: QSAR
Principles of method if other than guideline:
Quantitative and qualitative structure-activity relationships (QSARs)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl isothiocyanate
EC Number:
208-831-2
EC Name:
Ethyl isothiocyanate
Cas Number:
542-85-8
Molecular formula:
C3H5NS
IUPAC Name:
ethyl isothiocyanate
Test material form:
liquid

Test organisms

Test organisms (species):
Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)

Results and discussion

Effect concentrationsopen allclose all
Key result
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
3 720 mg/L
Nominal / measured:
not specified
Remarks on result:
other: based on LogEC50
Key result
Duration:
96 h
Dose descriptor:
other: Log EC50
Effect conc.:
1.63 mmol/L
Nominal / measured:
not specified

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
Ethylisothiocyanate is expected to be non toxic to aquatic algae based on a QSAR study
Executive summary:

Ethylisothiocyanate is expected to be non toxic to aquatic algae based on a QSAR study