Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17.01.2013 - 31.01.2013
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: shake-flask method
Principles of method if other than guideline:
Determination of ratio of concentrations of a compound in the two phases of a mixture of Octanol-Water at equilibrium
GLP compliance:
no
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Constituent 1
Chemical structure
Reference substance name:
3-amino-2-hydroxy-5-nitrobenzenesulphonic acid
EC Number:
202-523-1
EC Name:
3-amino-2-hydroxy-5-nitrobenzenesulphonic acid
Cas Number:
96-67-3
Molecular formula:
C6H6N2O6S
IUPAC Name:
3-amino-2-hydroxy-5-nitrobenzenesulphonic acid
Test material form:
other: Amorphous
Details on test material:
- Name of test material : 3-amino-2hydroxy-5-nitrobenzenesulphonic acid
- Substance type: Organic
- Physical state: Solid

Results and discussion

Partition coefficient
Type:
Pow
Partition coefficient:
0.38
Temp.:
22 °C
pH:
2.67
Details on results:
Converting the above Pow value into its Log value, the Log Pow of 3-amino-2hydroxy-5-nitrobenzene sulphonic acid is -0.04202 at temperature 22 deg C and pH of 2.67

Applicant's summary and conclusion

Conclusions:
The experimental value of octanol water partition co-efficient (log Pow) of of 3-amino-2-hydroxy-5-nitrobenzene sulphonic acid by Shake flask method was found to be -0.04202 at temperature 22 degC and pH of 2.67.This value indicates that 3-amino-2hydroxy-5-nitrobenzene sulphonic acid is hydrophilic in nature.
Executive summary:

The experimental value of octanol water partition co-efficient (log Pow) of of 3-amino-2-hydroxy-5-nitrobenzene sulphonic acid by Shake flask method was found to be -0.04202 at temperature 22 degC and pH of 2.67.This value indicates that 3-amino-2hydroxy-5-nitrobenzene sulphonic acid is hydrophilic in nature.