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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
sub-chronic toxicity: oral
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
No data
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Meets generally accepted scientific standards with acceptable restrictions.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1963
Report date:
1963

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: No data
Deviations:
not specified
Principles of method if other than guideline:
Male and female Sprague-Dawley rats were exposed daily to the test substance in the diet, which was available ad libitum. A concurrent no treatment control group was included.
GLP compliance:
no
Remarks:
Study pre-dates GLP
Limit test:
no

Test material

Constituent 1
Reference substance name:
1303-96-4
EC Number:
603-411-9
Cas Number:
1303-96-4
IUPAC Name:
1303-96-4
Constituent 2
Reference substance name:
Disodium tetraborate decahydrate
IUPAC Name:
Disodium tetraborate decahydrate
Details on test material:
- Name of test material: Disodium tetraborate decahydrate

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female

Administration / exposure

Route of administration:
oral: feed
Vehicle:
not specified
Analytical verification of doses or concentrations:
not specified
Duration of treatment / exposure:
90 Days
Frequency of treatment:
Daily; food ad lib
Doses / concentrations
Remarks:
Doses / Concentrations:
0, 7.8, 23, 78 and 230 mg/kg bw/d, equivalent to 0, 17.5, 52.5, 175 and 525 ppm boron; equivalent boron 0, 0.88, 2.6, 8.8, and 26 mg B/kg bw/d.
Basis:
actual ingested
No. of animals per sex per dose:
10/sex/group
Control animals:
yes, concurrent no treatment

Results and discussion

Results of examinations

Details on results:
No adverse effect were observed at any dose tested.

Effect levels

open allclose all
Dose descriptor:
NOAEL
Effect level:
230 mg/kg bw/day (actual dose received)
Based on:
test mat.
Sex:
male/female
Basis for effect level:
other: No adverse effects were observed at any dose tested.
Dose descriptor:
NOAEL
Effect level:
26 mg/kg bw/day (nominal)
Based on:
element
Sex:
male/female

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion

Conclusions:
No adverse effects were observed at any dose tested.