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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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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:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

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

Materials and methods

Principles of method if other than guideline:
Acute oral toxicity test in the rat at 4000 mg/kg
GLP compliance:
no
Test type:
other: acute oral toxicity

Test material

Constituent 1
Chemical structure
Reference substance name:
Xylitol
EC Number:
201-788-0
EC Name:
Xylitol
Cas Number:
87-99-0
Molecular formula:
C5H12O5
IUPAC Name:
(2R,3r,4S)-pentane-1,2,3,4,5-pentol
Details on test material:
- Purity: not reported

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Adult Rats: weight at study initiation: 130-175 g; Age at study initiation: not reported
- Neonatal Rats: weight at study initiation: 6 - 9 g; Age at study initiation: not more than 24 hours old


Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: suspended in 5% gum acacia solution (with and without tracer dye)
Details on oral exposure:
DOSAGE PREPARATION: Adult rats: The compound was ground in a mortar, suspended in 5% gum acacia solution and administered orally; Neonatal rats: The compound was suspended in 5% gum acacia solution containing a tracer dye and administered orally with a 20-gauge needle.

Doses:
highest dose tested 4000 mg/kg
No. of animals per sex per dose:
10 per dose level
Control animals:
not specified
Details on study design:
- Duration of observation period following administration: 5 days
- Frequency of observations and weighing: daily

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 4 000 mg/kg bw
Based on:
test mat.
Mortality:
no mortality
Clinical signs:
other: none reported
Gross pathology:
none reported

Any other information on results incl. tables

No mortality at highest dose tested (4000 mg/kg).

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
LD50 > 4000 mg/kg
Executive summary:

The adult and neonatal rat oral LD50 of the test substance was determined to be greater than 4000 mg/kg/body weight.