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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin sensitisation

Currently viewing:

Administrative data

Endpoint:
skin sensitisation: in vivo (LLNA)
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
July 10, 2007 - July 15, 2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
Deviations:
no
GLP compliance:
yes
Type of study:
mouse local lymph node assay (LLNA)

Test material

Constituent 1
Chemical structure
Reference substance name:
Sarcosine
EC Number:
203-538-6
EC Name:
Sarcosine
Cas Number:
107-97-1
Molecular formula:
C3H7NO2
IUPAC Name:
N-methylglycine
Details on test material:
- Name of test material (as cited in study report): PRODUIT ATOX 150B
- Physical state: solid
- Analytical purity: >98%
- Lot/batch No.: 2CAC1339
- Expiration date of the lot/batch: May 31, 2008

In vivo test system

Test animals

Species:
mouse
Strain:
CBA
Sex:
female

Study design: in vivo (LLNA)

Vehicle:
other: Ethanol:deionised w ater 3+7
Concentration:
5, 10, 25%
25% technically maximum achievable concentration
No. of animals per dose:
4

Results and discussion

In vivo (LLNA)

Resultsopen allclose all
Parameter:
SI
Remarks on result:
other: Control group - 1 5% - 1.73 10% - 1.10 25% - 413.9
Parameter:
other: disintegrations per minute (DPM)
Remarks on result:
other: DPM of the pooled lymph nodes of one test group Control group - 377.8 5% - 655.0 10% - 745.1 25% - 413.9

Any other information on results incl. tables

None of the tested concentrations exceeded the cut-off stimulation index of 3.0

Applicant's summary and conclusion