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Physical & Chemical properties

Water solubility

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Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
3.3.2022 - 18.3.2022
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2022

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
yes
Type of method:
column elution method

Test material

Constituent 1
Chemical structure
Reference substance name:
1-[(2-chloro-4-nitrophenyl)azo]-2-naphthol
EC Number:
220-562-2
EC Name:
1-[(2-chloro-4-nitrophenyl)azo]-2-naphthol
Cas Number:
2814-77-9
Molecular formula:
C16H10ClN3O3
IUPAC Name:
1-[(2-chloro-4-nitrophenyl)diazenyl]-2-naphthol
Test material form:
solid: particulate/powder
Details on test material:
Batch no. 9A475
Purity >98

Results and discussion

Water solubility
Key result
Water solubility:
> 0 - < 0.1 mg/L
Conc. based on:
test mat.
Temp.:
20 °C
pH:
> 6.09 - < 6.47

Applicant's summary and conclusion

Conclusions:
The water solubility of the test item, Pigment Red 4, established by the column elution method (< 0.1mg/L) is under limit of quantification of used analytical method (LOQ = 0.1 mg/L).