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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
pH
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Internal test

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: internal method
Deviations:
not applicable
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid
EC Number:
264-347-1
EC Name:
4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid
Cas Number:
63589-25-3
Molecular formula:
C10H5N3O6S
IUPAC Name:
4-diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid
Test material form:
other: moist solid

Results and discussion

pH value
pH value:
> 1.1 - < 1.2
Temp.:
20 °C
Concentration:
10 g/L

Applicant's summary and conclusion

Conclusions:
A pH below 2 in the test item makes us expect the substance to produce significant effects on the skin