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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: 2d: Meets national standards with acceptable restrictions: short documentation, sufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
GLP compliance:
no
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Reference substance name:
Silicic acid, aluminum sodium salt
EC Number:
215-684-8
EC Name:
Silicic acid, aluminum sodium salt
Cas Number:
1344-00-9
Details on test material:
- Name of test material-other-Silicic acid, aluminum sodium salt
ZEOLEX 23A and ZEOLEX 7
-Name of test material : Silicic acid, aluminum sodium salt
- CAS mumber: 1344-00-9
- EC number: 215-684-8
- Generic empiricalformula: : nSiO2 • mAl203• xNa20
- Molecular weight : 60.08g/mol (SiO2)
- Substance type:inorganic
- Physical state: solid
-Colour : White
-Odour : Odourless

- Density: 2.1 g/cm3 at 20 °C
- Melting point: 1700 °C
- Boiling point: 1 >>1700 °C: not relevant for normal and intended use
- Solubility in water: 68-79 mg/l at 20 °C
- Tradenames: Sipernat, Alusil ET, Zeolex, Hydrex, Huberfil, Durabrite, Zeocopy, Tixolex, Rhodoxane

Test animals

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

Administration / exposure

Route of administration:
oral: drinking water
Vehicle:
water
Doses:
5000 mg/kg (aqueous slurry 10 ml/kg, 50 % w/v)
No. of animals per sex per dose:
10
Control animals:
yes

Results and discussion

Preliminary study:
Practically Non-toxic
No mortality during 14-d posttreatment observation period.
No pathological findings on autopsy (Huber 1973
Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 5 000 mg/kg bw
Based on:
test mat.
Remarks on result:
other: Practically Non-toxic
Mortality:
No mortality during 14-d posttreatment observation period.
Clinical signs:
other: no
Gross pathology:
No pathological findings on autopsy (Huber 1973

Any other information on results incl. tables

RS-Freetext:
No mortality during 14-d posttreatment observation period.
No pathological findings on autopsy (Huber 1973, Tab. 1).

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information Criteria used for interpretation of results: OECD GHS