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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: Test procedure according to national standards; report with limited detail.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1981

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Reference substance name:
Automatically generated during migration to IUCLID 6, no data available
IUPAC Name:
Automatically generated during migration to IUCLID 6, no data available
Details on test material:
SOURCE: AKZO N.V.
PURITY: Not reported
IMPURITY/ADDITIVE/ETC.: Not reported
ANY OTHER INFORMATION: The test substance Natron Waterglass 40/42 (ratio 2.0) is a clear colourless liquid. Density was 1.39. Concentration not indicated.

Test animals

Species:
rat
Strain:
other: Cpb:Wu; Wistar random
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ORGANISMS:
- Strain: Not reported
- Source: The Central Institute for the Breeding of Laboratory Animals TNO, Zeist, Netherlands
- Age: Young adult
- Weight at study initiation: 196-336 g (males), 142-195 (females)

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
not specified
Details on oral exposure:
- Volume administered: 2.50, 3.00, 3.60, 4.32, 5.20 mL/kg
Doses:
3.30, 3.96, 4.75, 5.70, 6.86 g/kg bw
No. of animals per sex per dose:
5
Control animals:
not specified
Details on study design:
- Post dose observation: 14 days after treatment

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
3 400 mg/kg bw

Any other information on results incl. tables

MORTALITY:
- Time of death: Between 5 hours and 2 days after dosing
- Number of deaths at each dose: 
Dose   male     female
3.30    0/5      1/5
3.96    0/5      2/5
4.75    1/5      1/5
5.70    2/5      1/5
6.86    5/5      5/5
CLINICAL SIGNS: Sedation, abdominal discomfort, sluggishness and unconsciousness
NECROPSY FINDINGS: No treatment related gross alterations

Applicant's summary and conclusion