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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 (non-LLNA)
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: data from peer - reviewed journals

Data source

Reference
Reference Type:
publication
Title:
402. Amaranth (WHO Food Additives Series 8)
Author:
Joint FAO/WHO Expert Committee on Food Additives which met in Geneva, 14‐23 April 1975
Year:
1975
Bibliographic source:
WHO FOOD ADDITIVES SERIES NO. 8, 1975

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 406 (Skin Sensitisation)
Principles of method if other than guideline:
to assess the skin sensitizing potential of the test chemical
GLP compliance:
not specified
Type of study:
not specified
Justification for non-LLNA method:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Trisodium 3-hydroxy-4-(4'-sulphonatonaphthylazo)naphthalene-2,7-disulphonate
EC Number:
213-022-2
EC Name:
Trisodium 3-hydroxy-4-(4'-sulphonatonaphthylazo)naphthalene-2,7-disulphonate
Cas Number:
915-67-3
Molecular formula:
C20H14N2O10S3.3Na
IUPAC Name:
trisodium 3-hydroxy-4-[(4-sulfonato-1-naphthyl)diazenyl]naphthalene-2,7-disulfonate
Constituent 2
Reference substance name:
trisodium (4E)-3-oxo-4-[(4- sulfonato-1- naphthyl)hydrazono]naphthalene- 2,7-disulfonate
IUPAC Name:
trisodium (4E)-3-oxo-4-[(4- sulfonato-1- naphthyl)hydrazono]naphthalene- 2,7-disulfonate
Constituent 3
Reference substance name:
Amaranth dye
IUPAC Name:
Amaranth dye
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Name of test material (as cited in study report): Amaranth dye
Molecular formula (if other than submission substance): C20H11N2Na3O10S3
Molecular weight (if other than submission substance): 604.47
Smiles notation (if other than submission substance): c1ccc2c(c1)c(ccc2S(=O)(=O)[O])N=Nc3c4ccc(cc4cc(c3O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
InChl (if other than submission substance): 1S/C20H14N2O10S3.3Na/c23-20-18(35(30,31)32)10-11-9-12(33(24,25)26)5-6-13(11)19(20)22-21-16-7-8-17(34(27,28)29)15-4-2-1-3-14(15)16;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3
Substance type: Organic
Physical state: Solid

In vivo test system

Test animals

Species:
guinea pig
Strain:
not specified
Sex:
not specified
Details on test animals and environmental conditions:
no data

Study design: in vivo (non-LLNA)

Inductionopen allclose all
Route:
other: no data
Vehicle:
no data
Concentration / amount:
no data
Challengeopen allclose all
Route:
other: no data
Vehicle:
no data
Concentration / amount:
no data
No. of animals per dose:
no data
Details on study design:
no data
Challenge controls:
no data
Positive control substance(s):
not specified

Results and discussion

In vivo (non-LLNA)

Results
Reading:
other: mean
Group:
test chemical
Dose level:
no data
No. with + reactions:
0
Clinical observations:
no data
Remarks on result:
other: Reading: other: mean. Group: test group. Dose level: no data. No with. + reactions: 0.0. Clinical observations: no data.

Any other information on results incl. tables

Not Specified

Applicant's summary and conclusion

Interpretation of results:
not sensitising
Conclusions:
In experiments with guinea-pigs, it was found that Amaranth had no sensitization activity
Executive summary:

In experiments with guinea‐pigs, it was found that Amaranth had no sensitization activity