Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Remarks:
in vivo
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
supporting study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Comparatively little details are reported. Only ten animals were used in the treatment groups. However, the exposure conditions used are rather stringent.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1960
Report date:
1960

Materials and methods

GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Sodium 4-amino-6-chlorotoluene-3-sulphonate
EC Number:
229-596-2
EC Name:
Sodium 4-amino-6-chlorotoluene-3-sulphonate
Cas Number:
6627-59-4
IUPAC Name:
sodium 2-amino-4-chloro-5-methylbenzenesulfonate
Details on test material:
- Molecular formula (if other than submission substance): C7H8ClNO3S.Na
- Molecular weight (if other than submission substance): 244.65
- Smiles notation (if other than submission substance): Cc1cc(c(N)cc1Cl)S(O)(=O)=O
- InChl (if other than submission substance): 1S/C7H8ClNO3S/c1-4-2-7(13(10,11)12)6(9)3-5(4)8/h2-3H,9H2,1H3,(H,10,11,12)
- Substance type: solid
- Analytical purity: indicated as "pure"

The substance is the sodium salt of the registered substance.

In vivo test system

Test animals

Species:
guinea pig

Study design: in vivo (non-LLNA)

Inductionopen allclose all
Route:
epicutaneous, open
Vehicle:
other: acetone
Concentration / amount:
2% and saturated (induction)
2% (challenge)
Challengeopen allclose all
Route:
epicutaneous, open
Vehicle:
other: acetone
Concentration / amount:
2% and saturated (induction)
2% (challenge)
No. of animals per dose:
10

Results and discussion

Applicant's summary and conclusion

Interpretation of results:
not sensitising
Remarks:
Migrated information
Executive summary:

None of the 10 treated guinea pigs showed skin reactions after challenge.