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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
sensitisation data (humans)
Type of information:
other: Observation at workplace in India
Adequacy of study:
disregarded due to major methodological deficiencies
Study period:
1984
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: undefined, mixed exposure; unclear naming of testsubstance;

Data source

Reference
Reference Type:
publication
Title:
Contact dermatitis in tie and dye industry workers
Author:
Mathur N.K.; Mathur A.; Banerjee K.
Year:
1984
Bibliographic source:
Contact dermatitis 12; 38-41 (1985)

Materials and methods

Study type:
case report
Principles of method if other than guideline:
Patch test
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-nitro-o-anisidine
EC Number:
202-588-6
EC Name:
4-nitro-o-anisidine
Cas Number:
97-52-9
Molecular formula:
C7H8N2O3
IUPAC Name:
2-methoxy-4-nitroaniline
Constituent 2
Reference substance name:
PNOA
IUPAC Name:
PNOA
Details on test material:
C.I 37125; 4-nitro-o-anisidin; no further detail

Method

Ethical approval:
not specified
Subjects:
26 Patients (workers in Indian textile dying industry) showing signs of contact dermatitis were patch tested
Clinical history:
positive signs of dermatitis
Controls:
25 healthy workers and 25 healthy volunteers
Route of administration:
dermal

Results and discussion

Results of examinations:
1 patient showed positive skin reactions to 3 chemical i.a. Red base (4-nitro-o-anisidine)

Applicant's summary and conclusion

Conclusions:
Study not valid