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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2004
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2004

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 425 (Acute Oral Toxicity: Up-and-Down Procedure)
Deviations:
no
GLP compliance:
yes
Test type:
up-and-down procedure

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium dihydridobis(2-methoxyethanolato)aluminate(1-)
EC Number:
245-178-2
EC Name:
Sodium dihydridobis(2-methoxyethanolato)aluminate(1-)
Cas Number:
22722-98-1
Molecular formula:
C6H16AlO4.Na
IUPAC Name:
sodium dihydridobis(2-methoxyethanolato)aluminate(1-)
Details on test material:
70% hydride solution in Toluene carrier (as supplied)

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Doses:
Range from 55mg/kg bw to 2,000 mg.kg bw
No. of animals per sex per dose:
9 Females total (Up&Down Procedure)
Control animals:
no

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
ca. 639.2 mg/kg bw
Based on:
dissolved
95% CL:
> 0 - 20
Mortality:
4 high dose animals
Clinical signs:
Hunched posture, piloerection, hypoactivity, reduced fecal volume in animals dosed >= 550 mg/kg bw
Body weight:
All but one animals gained body weight during teh 14-day observation period.
Gross pathology:
Discolouration of Lungs and intestines at highest dose only (2000mg/kg bw)

Applicant's summary and conclusion

Interpretation of results:
harmful
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
It is difficult to seperate the effects due to presence of 30% toluene carrier (required for stability).