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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Acute Toxicity: other routes

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Administrative data

Endpoint:
acute toxicity: other routes
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1964
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: limited documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1964
Report date:
1964

Materials and methods

Principles of method if other than guideline:
see Test Conditions
GLP compliance:
no
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Dodecane-12-lactam
EC Number:
213-424-8
EC Name:
Dodecane-12-lactam
Cas Number:
947-04-6
Molecular formula:
C12H23NO
IUPAC Name:
1-azacyclotridecan-2-one
Test material form:
solid

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
other: aqueous tragacanth suspension
Details on exposure:
- Doses per time period: single dose
- Volume administered or concentration: 0.5 / 1 / 2.5 / 5 / 6 / 7.5 / 10 %
- Post dose observation period: 7 days
Doses:
50 / 100 / 250 / 500 / 600 / 750 / 1000 mg/kg bw
No. of animals per sex per dose:
10 (total)
Control animals:
not specified
Statistics:
Litchfield and Wilcoxon

Results and discussion

Effect levels
Dose descriptor:
LD50
Effect level:
410 mg/kg bw
Mortality:
- Time of death: within 24 hours
- Number of deaths at each dose:
50 mg/kg: 0
100 mg/kg: 2
250 mg/kg: 2
500 mg/kg: 5
600 mg/kg: 7
750 mg/kg: 9
1000 mg/kg: 10
Clinical signs:
(similar to) impairment of breathing, slight muscle tremor, sedative effects, reduced general condition, beginning 1/2 hour after dosing and reversible within 24 hours, observed in all dose levels except lowest
Body weight:
no data
Gross pathology:
no data

Applicant's summary and conclusion