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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

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: BPL not indicated

Data source

Reference
Reference Type:
publication
Title:
Acute toxicity on 113 environmental chemicals
Author:
Hasegawa R. et al.
Year:
1989
Bibliographic source:
Sci. Rep.Res.Inst. Tohoku Univ., -C, Vol. 36, N° 1-4, 1989, pp 10-16

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Deviations:
not specified
GLP compliance:
not specified
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
O-acetylsalicylic acid
EC Number:
200-064-1
EC Name:
O-acetylsalicylic acid
Cas Number:
50-78-2
Molecular formula:
C9H8O4
IUPAC Name:
2-acetoxybenzoic acid
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Commercial source

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
1 week acclimation of 5 weeks animals

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water
Details on oral exposure:
administration 16 hours afetr feed deprivation
Doses:
6 doses:
No. of animals per sex per dose:
10
Control animals:
no

Results and discussion

Effect levelsopen allclose all
Sex:
male
Dose descriptor:
LD50
Effect level:
ca. 1 850 mg/kg bw
Based on:
test mat.
Sex:
female
Dose descriptor:
LD50
Effect level:
ca. 1 600
Based on:
test mat.

Any other information on results incl. tables

Also tested on male Sprague Dawley with arabic gum: LD50 = 1900 (1660 -2200)

Applicant's summary and conclusion

Interpretation of results:
harmful
Remarks:
Migrated information Criteria used for interpretation of results: EU
Executive summary:

In a well conducted LD50 study with wistar rats male(10) per dose / 6 doses and female (10), there is a slight difference between sexes (m1850 /f1600) leading by statistical analysis to a mean LD50 of 1725 mg/kg