Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1989-02-21 to 1989-03-07
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
not specified
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Dodecanedioic acid
EC Number:
211-746-3
EC Name:
Dodecanedioic acid
Cas Number:
693-23-2
Molecular formula:
C12H22O4
IUPAC Name:
dodecanedioic acid
Details on test material:
Dodecanedioic acid of Hüls AG, purity ca. 99 %; impurities: homologous dicarboxylic acids, total 1 %

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ORGANISMS: 
- Strain: Bor: WISW (SPF TNO)
- Source: F. Winkelmann, Borchen (Germany)
- Weight at study initiation:  total mean 113 g
- Controls: no

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
corn oil
Details on oral exposure:
ADMINISTRATION: 
- Preparation of test substance: grinding in mortar, suspension in corn  oil (30 %) with ultra turrax
- Doses per time period: single dose (gavage)
- Volume administered or concentration: 10 ml/kg bw
- Post dose observation period: 14 days
Doses:
3000 mg/kg bw
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
EXAMINATIONS:
- Body weights: before, and 1, 7, 14 days after treatment
- Clinical signs and mortality: within 6 hours after treatment,  thereafter daily
- Necropsy: all animals (macroscopic)

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 3 000 mg/kg bw
Mortality:
MORTALITY: No deaths occurred
Clinical signs:
other: CLINICAL SIGNS:  - 30 minutes after treatment: piloerection and slight sedation in all  animals - 2 hours after treatment: no more sedation - 3 hours after treatment: no more signs of toxicity
Gross pathology:
NECROPSY FINDINGS: No evidence of macroscopically discernible organ changes was found.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: other: EC Regulation 1272/2008
Executive summary:

In a acute oral limit test according to TG OECD 401 five rat per sex received a dose of 3000 mg/kg bw. There were no mortalities and no adverse effects other than initial slight sedation and piloerection which subsided after two hours.