Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: detailed report not available: information about purity of the substance missing; bodyweight and age of the animals missing, detailed results missing
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1980
Report date:
1980

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The studies were divided into two phases:
- Dose-ranging study using one or two pairs of rats at 500, 2000, 5000, 10000 and 15000 mg/kg with
observation up to 14 days. When one or more deaths occurred in circumstances clearly indicating a response to treatment, that is, severe adverse
signs within the same and higher dosage groups, animals from all these groups were subjected to euthanasia on humanitarian grounds.
- Confirmation of the maximum non-lethal dose using 5F and
5M rats with observation as in above
GLP compliance:
no
Test type:
other: not available
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Hept-1-yne
EC Number:
211-051-5
EC Name:
Hept-1-yne
Cas Number:
628-71-7
Molecular formula:
C7H12
IUPAC Name:
hept-1-yne

Test animals

Species:
rat
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water
Doses:
500, 2000, 5000, 10000 and 15000 mg/kg
No. of animals per sex per dose:
2 per sex per dose in first step
Control animals:
no

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 5 000 mg/kg bw
Based on:
test mat.

Any other information on results incl. tables

-

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
LD 50 is above 5000 mg/kg bw
Executive summary:

-