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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Non-GLP near guideline study, available as unpublished report, limitations in design and/or reporting but otherwise adequate for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1973
Report date:
1973

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Principles of method if other than guideline:
According to BASF-internal standard
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,5-dimethylhexyne-2,5-diol
EC Number:
205-533-4
EC Name:
2,5-dimethylhexyne-2,5-diol
Cas Number:
142-30-3
Molecular formula:
C8H14O2
IUPAC Name:
2,5-dimethylhex-3-yne-2,5-diol
Details on test material:
- Name of test material (as cited in study report): Dimethylhexindiol

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
CMC (carboxymethyl cellulose)
Control animals:
no
Details on study design:
- Duration of observation period following administration: 7 days
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
ca. 9 000 mg/kg bw
Based on:
test mat.
Clinical signs:
other: Lying on the stomach and in the lateral position, dyspnea, twitching, anesthesia-like condition, slight apathy, trembling, reddish encrusted eyes and nose were observed.
Gross pathology:
Acute cardiac dilatation with stasis, bloody stomach ulcers (in the glandular stomach) and diarreal content were observed.

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information