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Diss Factsheets

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: A study summary was made available by ECHA under Article 25, Para 3, of EC Regulation 1907/2006.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Annex V, C2
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(2,6-bis(4-tolyl)-1,3-dioxano(5,4-d)-1,3-dioxan-4-yl)ethane-1,2-diol
EC Number:
402-950-5
EC Name:
1-(2,6-bis(4-tolyl)-1,3-dioxano(5,4-d)-1,3-dioxan-4-yl)ethane-1,2-diol
Cas Number:
87826-41-3
Molecular formula:
C22H26O6
IUPAC Name:
(1R)-1-[(4R,4aR,8aS)-2,6-bis(4-methylphenyl)-hexahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol

Test organisms

Test organisms (species):
other: Aquatic crustacia: DM

Test conditions

Hardness:
350 mg/L CaCO3

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
> 0.1 mg/L
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 0.1 mg/L
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
0.1 mg/L

Applicant's summary and conclusion

Conclusions:
The short-term EC50 and NOEC for Daphnia magna are higher than or equal to the water solubility limit of the substance.