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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
short-term repeated dose toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature

Data source

Reference
Reference Type:
other: Published Assessment
Title:
SIDS Initial Assessment Profile for SIAM 31: Magnesium sulfate
Author:
OECD
Year:
2010
Bibliographic source:
UNEP Publications

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 422 (Combined Repeated Dose Toxicity Study with the Reproduction / Developmental Toxicity Screening Test)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Magnesium sulphate
EC Number:
231-298-2
EC Name:
Magnesium sulphate
Cas Number:
7487-88-9
Molecular formula:
H2O4S.Mg
IUPAC Name:
magnesium sulphate

Test animals

Species:
rat
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Duration of treatment / exposure:
Males of the main group and both sexes of the recovery group were dosed once daily for a total of six weeks (two weeks each prior to, during and post mating), and females of the main group were dosed once daily for two weeks prior to mating, throughout gestation and for five or six days after delivery.
Frequency of treatment:
once daily
Doses / concentrationsopen allclose all
Dose / conc.:
50 mg/kg bw/day (actual dose received)
Dose / conc.:
150 mg/kg bw/day (actual dose received)
Dose / conc.:
450 mg/kg bw/day (actual dose received)
No. of animals per sex per dose:
13
Control animals:
yes

Results and discussion

Results of examinations

Details on results:
- no deaths in either sex
- no treatment related effects of clinical signs, increased body weight gain, food consumption, haematology, clinical biochemistry, organ weight changes, macroscopical/histopathological findings in males/females at dose levels of 50 and 150 mg/kg bw/day
- soft stool in 450 mg/kg group

Effect levels

Key result
Dose descriptor:
NOAEL
Effect level:
150 mg/kg bw/day (actual dose received)
Basis for effect level:
other: soft stool

Target system / organ toxicity

Critical effects observed:
no

Applicant's summary and conclusion