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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-01-11 – 2017-01-11
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 122
Principles of method if other than guideline:
A pH meter is essentially a voltmeter with high input impedance which measures the voltage of an electrode sensitive to the hydrogen ion concentration, relative to another electrode which exhibits a constant voltage
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Disulfo copper phthalocyanine amine salt
EC Number:
215-523-1
EC Name:
Disulfo copper phthalocyanine amine salt
Cas Number:
1328-51-4
Molecular formula:
C32H14CuN8O6S2.2Na
IUPAC Name:
Disulfo copper phthalocyanine amine salt
Test material form:
solid
Details on test material:
- Name of test material: Disulfo copper phthalocyanine amine salt
- Molecular formula: C32 H14 Cu N8 O6 S2.2Na
- Molecular weight: 780.1706 g/mol
- Smiles notation: c1ccc\2c(c1)/c/3n/c-4n/c(n\c5c6c(cccc6S(=O)(=O)[O-])c/7n5[Cu]n3/c2n\c-8n/c(n7)/c9c8c(ccc9)S(=O)(=O)[O-])/c1c4cccc1.[Na+].[Na+]
- InChl: 1S/C32H16N8O6S2.Cu.2Na/c41-47(42,43)21-13-5-11-19-23(21)31-37-27-17-9-3-1-7-15(17)25(34-27)33-26-16-8-2-4-10-18(16)28(35-26)38-32-24-20(30(40-32)36-29(19)39-31)12-6-14-22(24)48(44,45)46;;;/h1-14H,(H2-2,33,34,35,36,37,38,39,40,41,42,43,44,45,46);;;/q-2;+2;2*+1/p-2
- Substance type: Organic
- Physical state: solid
Specific details on test material used for the study:
- Name of test material: Disulfo copper phthalocyanine amine salt
- Molecular formula: C32 H14 Cu N8 O6 S2.2Na
- Molecular weight: 780.1706 g/mol
- Smiles notation: c1ccc\2c(c1)/c/3n/c-4n/c(n\c5c6c(cccc6S(=O)(=O)[O-])c/7n5[Cu]n3/c2n\c-8n/c(n7)/c9c8c(ccc9)S(=O)(=O)[O-])/c1c4cccc1.[Na+].[Na+]
- InChl: 1S/C32H16N8O6S2.Cu.2Na/c41-47(42,43)21-13-5-11-19-23(21)31-37-27-17-9-3-1-7-15(17)25(34-27)33-26-16-8-2-4-10-18(16)28(35-26)38-32-24-20(30(40-32)36-29(19)39-31)12-6-14-22(24)48(44,45)46;;;/h1-14H,(H2-2,33,34,35,36,37,38,39,40,41,42,43,44,45,46);;;/q-2;+2;2*+1/p-2
- Substance type: Organic
- Physical state: solid

Results and discussion

pH value
pH value:
7.48
Temp.:
26 °C
Concentration:
1 other: % w/v

Applicant's summary and conclusion

Conclusions:
The pH of 1% w/v solution of the test item disulfo copper phthalocyanine amnie salt (CAS No1328-51-4)was 7.48 at26 °C.
Executive summary:

The pH determination of test item disulfo copper phthalocyanine amnie salt (CAS No 1328-51-4) was done following OECD guideline 122. pH of 1% w/v solution was measured with the help of pH meter and it was observed to be 7.48at 26 °C. On the basis of result,disulfo copper phthalocyanine amnie salt (CAS No 1328-51-4) was considered to be basic in nature.