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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: This study was selected as the key study because the information provided for the hazard endpoint is sufficient for the purpose of classification and labelling and/or risk assessment.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Range-finding toxicity data: List VII.
Author:
Smyth HF Jr, Carpenter CP, Weil CS, Pozzani UC, Striegel JA, and Nycum JS
Year:
1969
Bibliographic source:
Hyg. Assoc. J., 30(5):470-476
Reference Type:
publication
Title:
Range-finding toxicity data: List VI
Author:
Smyth HF Jr, Carpenter CP, Weil CS, Pozzani UC, and Striegel JA
Year:
1962
Bibliographic source:
Amer. Ind. Hyg. Assoc. J., 23:92

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Deviations:
no
Remarks:
The study was conducted according to the guideline in effect dated 2001.
GLP compliance:
no
Limit test:
no

Test material

Constituent 1
Reference substance name:
Sulphuric acid
EC Number:
231-639-5
EC Name:
Sulphuric acid
Cas Number:
7664-93-9
IUPAC Name:
sulfuric acid
Details on test material:
- Purity: not reported

Test animals

Species:
rat
Strain:
other: Carworth-Wistar
Sex:
male
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Age at study initiation: 4-5 weeks of age
- Weight at study initiation: 90-120 grams
- Fasting period before study: no

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water
Details on oral exposure:
VEHICLE
- Concentration in vehicle: 0.250 g/mL
Doses:
- The doses were arranged in a logarithmic series differing by a factor of two.
- Concentration in vehicle: 0.250 g/mL
No. of animals per sex per dose:
5
Control animals:
not specified
Details on study design:
- Duration of observation period following administration: 14 days

Results and discussion

Effect levels
Sex:
male
Dose descriptor:
LD50
Effect level:
2 140 mg/kg bw
Based on:
test mat.
Remarks on result:
other: 1540-2990 mg/kg

Applicant's summary and conclusion

Conclusions:
This study and the conclusions which are drawn from it fulfil the quality criteria (validity, reliability, repeatability).
LD50 = 2140 mg/kg
Executive summary:

An acute oral toxicity study with the test substance on groups of 5 rats reported an LD50 of 2140 mg/kg/body weight.