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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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:
2002

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 420 (Acute Oral Toxicity - Fixed Dose Method)
Deviations:
no
GLP compliance:
yes
Test type:
fixed dose procedure
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(2-formyl-4-nitrophenoxy)hexanoic acid
EC Number:
608-880-3
Cas Number:
335153-21-4
Molecular formula:
C13H15NO6
IUPAC Name:
2-(2-formyl-4-nitrophenoxy)hexanoic acid

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
3 males and 3 females; females were nulliparous and non-pregnant. Group housing/maxi,um of 3 per cage of the same sex. Ambient temperature @20°C with 30-70% humidity. 10-15 air exchanges per hour. 12 hourlight/dark cycle, full spectrum fluorescent lights.

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
cotton seed oil
Doses:
500mg/kg and 2000mg/kg
No. of animals per sex per dose:
3 male animals dosed at 500mg/kg and then 3 female animals dosed at 2000mg/kg.
Control animals:
no
Details on study design:
Animals dosed once only.

Results and discussion

Effect levelsopen allclose all
Sex:
male
Dose descriptor:
discriminating dose
Effect level:
500 mg/kg bw
Based on:
test mat.
Sex:
female
Dose descriptor:
discriminating dose
Effect level:
2 000 mg/kg bw
Based on:
test mat.
Mortality:
No animals died at the doses during the observation period of 14 days.
Clinical signs:
Piloerection observed folling the 500mg/kg dosing of the male rats. Recovery within 4 days.
Piloerection observed folling the 2000mg/kg dosing of the female rats. Recovery within 8 days.
Body weight:
All animals gained body weight during the study. The males more so than the females.
Gross pathology:
No significant abnormalities were observed.

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The test substance is defined as non-toxic.
Executive summary:

The test substance is defined as non-toxic based on the absence of mortality and the criteria of the study protocol.