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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: dermal
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1975
Report date:
1975

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: 16 CCFR 1500.40
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
GLP compliance:
no
Remarks:
study was conducted prior to the GLP legislation
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-mercaptopropane-1,2-diol
EC Number:
202-495-0
EC Name:
3-mercaptopropane-1,2-diol
Cas Number:
96-27-5
Molecular formula:
C3H8O2S
IUPAC Name:
3-sulfanylpropane-1,2-diol
Test material form:
liquid: viscous
Specific details on test material used for the study:
Batch 297-1382

Test animals

Species:
rabbit
Strain:
other: Albino, not further specified
Sex:
not specified

Administration / exposure

Type of coverage:
not specified
Vehicle:
not specified
Duration of exposure:
not reported
Doses:
0.2, 0.50, 0.75, 1.00, 2.00 mL/kg bw
249, 623, 935, 1247, 2494 mg/kg bw (using density of 1.25 g/mL)
No. of animals per sex per dose:
5
Control animals:
not required

Results and discussion

Effect levelsopen allclose all
Key result
Sex:
not specified
Dose descriptor:
LD50
Effect level:
0.54 mL/kg bw
Based on:
test mat.
Key result
Sex:
not specified
Dose descriptor:
LD50
Effect level:
673 mg/kg bw
Based on:
test mat.
Mortality:
mg/kg bw Dead total Mortality
249 0 5 0%
623 2 5 40%
935 4 5 80%
1247 5 5 100%
2494 5 5 100%
Clinical signs:
other: not reported
Gross pathology:
not reported

Applicant's summary and conclusion

Interpretation of results:
Category 3 based on GHS criteria
Conclusions:
Based on an LD50 of 673 mg/kg bw, monothioglycerol should be classified as Acute Tox 3 - H311: Toxic in contact with skin.