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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
skin sensitisation: in vivo (LLNA)
Type of information:
experimental study
Adequacy of study:
other information
Study period:
15 July 2009-18 August 2009
Reliability:
1 (reliable without restriction)

Data source

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
Qualifier:
according to guideline
Guideline:
EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 870.2600 (Skin Sensitisation)
GLP compliance:
yes
Type of study:
mouse local lymph node assay (LLNA)

Test material

Constituent 1
Chemical structure
Reference substance name:
(2E)-2-cyano-N-(2,4-dichloro-5-methoxyphenyl)-3-({4-methoxy-3-[3-(4-methylpiperazin-1-yl)propoxy]phenyl}amino)prop-2-enamide; propan-2-ol
EC Number:
700-456-7
Cas Number:
1333490-26-8
Molecular formula:
C26H31Cl2N5O4 · 1/2(C3H8O1)
IUPAC Name:
(2E)-2-cyano-N-(2,4-dichloro-5-methoxyphenyl)-3-({4-methoxy-3-[3-(4-methylpiperazin-1-yl)propoxy]phenyl}amino)prop-2-enamide; propan-2-ol
Details on test material:
Molecular formula C26H31Cl2N5O4
Molecular weight 548.46
Description Beige-yellow powder (determined at NOTOX)
Batch 09-002
Purity >92%
Composition 6.5% isopropanol as a hemi solvate

In vivo test system

Test animals

Species:
mouse
Strain:
CBA
Sex:
female

Study design: in vivo (LLNA)

Vehicle:
acetone/olive oil (4:1 v/v)
Concentration:
Three groups of five animals were treated with one test substance concentration per group. The highest test substance concentration was selected from the preliminary irritation study. One group of five animals was treated with vehicle.
No. of animals per dose:
Group1 animal numbers induction (test substance; % w/w)
1 01 - 05 0 (Acetone/Olive oil)
2 06 - 10 10
3 11 - 15 25
4 16 - 20 50

Results and discussion

In vivo (LLNA)

Resultsopen allclose all
Parameter:
SI
Remarks on result:
other: %(w/w) SI Group 2 10% 0.8 Group 3 25% 1.2 Group 4 50% 0.7 Group 1 0% 1.0
Parameter:
other: disintegrations per minute (DPM)
Remarks on result:
other: %(w/w) DPM/group Group 2 10% 208 Group 3 25% 300 Group 4 50% 165 Group 1 0% 249

Applicant's summary and conclusion

Interpretation of results:
not sensitising
Remarks:
Migrated information According Globally Harmonized System of Classification and Labeling of Chemicals (GHS) of the United Nations (2007),
Conclusions:
Based on these results WAY-189172 does not have to be classified and has no obligatory labeling requirement for sensitization by skin contact according to the:
- Recommendations made in the test guidelines,
- Globally Harmonized System of Classification and Labeling of Chemicals (GHS) of the United Nations (2007),
- Regulation (EC) No 1272/2008 on classification, labeling and packaging of substances and mixtures.