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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: No guideline study but scientific standards were met with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1970
Report date:
1970

Materials and methods

Principles of method if other than guideline:
LD50 in male and female mice after i.p. injection.
GLP compliance:
no
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
N,N-dimethylacetamide
EC Number:
204-826-4
EC Name:
N,N-dimethylacetamide
Cas Number:
127-19-5
Molecular formula:
C4H9NO
IUPAC Name:
N,N-dimethylacetamide
Test material form:
liquid
Specific details on test material used for the study:
- Name of test material: dimethylacetamide (DMAC)
No details available.

Test animals

Species:
mouse
Strain:
not specified
Sex:
male/female
Details on test animals or test system and environmental conditions:
No details available.

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
water
Doses:
2500, 3200, 4000 µL/kg bw
No. of animals per sex per dose:
5 mice
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days

No further details available.
Statistics:
No data

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
3 500 other: µL/kg bw
Remarks on result:
other: for males and females combined, corresponding to 3290 mg/kg bw
Mortality:
Mice died mainly within 2 days. No further details.
Clinical signs:
Increased respiration rate, staggered gait, mice crouched down, dyspnoe, ruffled coat, prone position, tremor and reddened eyes were noted. There were no clinical signs after 9 days.
Body weight:
No data
Gross pathology:
There was suspicion of fatty liver in a few mice.
Other findings:
No

Applicant's summary and conclusion

Conclusions:
The LD50 of DMAC after i.p. injection was determined to be 3290 mg/kg bw in male and female mice.