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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

pH

Currently viewing:

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard OECD test guidelines

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 122(pH measurement interface Microlab FS-524 and pH probe)
Principles of method if other than guideline:
The pH of an aqueous solution or dispersion in water is determined with a pH measurement interface equipped with an appropriate electrode system.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Tripiperazine dicitrate
EC Number:
205-622-8
EC Name:
Tripiperazine dicitrate
Cas Number:
144-29-6
Molecular formula:
C6H8O7.3/2C4H10N2
IUPAC Name:
piperazine 2-hydroxypropane-1,2,3-tricarboxylate (3:2) (salt)
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
- Name of test material (as cited in study report): Piperazine Citrate - Molecular formula: C12H30N6•Cl2H16O14 - Molecular weight: 642.76 g/mole - Smiles notation: C1CNCCN1.C1CNCCN1.C1CNCCN1.C(C(=O)O)C(CC(=O)O)(C(=O)O)O.C(C(=O)O)C(CC(=O)O)(C(=O)O)O - Substance type: Organic - Physical state: Solid-Purity:99.0% (BP)
Specific details on test material used for the study:
- Name of test material (as cited in study report): Piperazine citrate / tripiperazine dicitrate- Molecular formula: C12H30N6•Cl2H16O14 - Molecular weight: 642.76 g/mole - Substance type: Organic - Physical state: Solid

Results and discussion

pH value
Key result
pH value:
5.6
Temp.:
26.5 °C
Concentration:
1 other: % w/v
Remarks on result:
other: Acidic in nature

Any other information on results incl. tables

Temperature of 1% w/v test solution

-

26.5°C

pH (RESULT)

 

-

5.60

Inference

1.   Acidic

2.   Basic

3.   Neutral

 

Acidic

Applicant's summary and conclusion

Conclusions:
The pH determination of test item Tripiperazine dicitrate (CAS No. 144-29-6) was done following OECD guideline 122. pH of 1% w/v aqueous solution was measured with the help of pH meter/probe and it was observed to be 5.60 at 26.5 °C.
Executive summary:

The pH determination of test item Tripiperazine dicitrate(CAS No. 144-29-6) was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of pH probe. The measurement interface was Micro Lab FS-524; software version 6.2 8b. The pH was found to be 5.60 at 26.5°C.