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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

Toxicological information

Acute Toxicity: oral

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2004
Report date:
2004

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Qualifier:
according to guideline
Guideline:
EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 870.1100 (Acute Oral Toxicity)
Qualifier:
according to guideline
Guideline:
other: Japanese Ministry of Agriculture, Forestry and Fisheries (JMAFF), 12 Nousan, Notification No 8147, November 2000, including the most recent partial revisions
GLP compliance:
yes (incl. QA statement)
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
benzene, 1,4-bis[2-[3,5-dimethoxy-4-(1- methylpropoxy)phenyl]ethenyl]-
Cas Number:
586410-55-1
Molecular formula:
C34 H42 O6
IUPAC Name:
benzene, 1,4-bis[2-[3,5-dimethoxy-4-(1- methylpropoxy)phenyl]ethenyl]-
Details on test material:
Read-across from CASRN586410-55-1 to the substance defined in section 1 allowed by belgian authority.

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
Strain: Wistar strain CrI:(WI) BR
Conditions, accommodation, diet and water of animals were strictly controlled.

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: Propylene glycol (specific gravity 1.036).
Details on oral exposure:
single dosage on day 1
Doses:
2000mg/kg (10ml/kg) body weight
No. of animals per sex per dose:
3
Control animals:
no

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
- observed twice daily
- no mortality occured
Clinical signs:
other: - observed at periodic intervals on the day of dosing (day 1) and once daily thereafter, until day 15. - Lethargy, hunched posture, uncoordinated movements, chromodacryorrhoea and/or piloerection were noted among the animals on days 1 and/or 2.
Gross pathology:
- No abnormalities were found at macroscopic post mortem examination of the animals.
- Incidental finding: Watery fluid in the uterus, found in one female, is related to a stage in the oestrous cycle and is a normal finding.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU