Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 619-707-6 | CAS number: 58370-36-8
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 17. April 2018
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
- GLP compliance:
- no
Test material
- Reference substance name:
- 1-(4-hydrazinylbenzenesulfonyl)-2-methylpropane-2-sulfonic acid
- EC Number:
- 619-707-6
- Cas Number:
- 58370-36-8
- Molecular formula:
- C10H16N2O5S2
- IUPAC Name:
- 1-(4-hydrazinylbenzenesulfonyl)-2-methylpropane-2-sulfonic acid
- Test material form:
- solid: particulate/powder
- Details on test material:
- Name: 1-(4-hydrazinylphenyl)sulfonyl-2-methylpropane-2-sulfonic acid
Appearance: Powder/beige
Constituent 1
- Specific details on test material used for the study:
- Name: 1-(4-hydrazinylphenyl)sulfonyl-2-methylpropane-2-sulfonic acid
Appearance: Powder/beige
Reagents
- Reagent:
- buffer solutions
Titration of acidity and alkalinity
- Details on titrant used:
- The pH-electrode was calibrated with commercial available buffer solutions (Certipur, Merck at pH 4, 7 and 9) before.
Results and discussion
pH value
- Key result
- pH value:
- 2.7
- Temp.:
- 25 °C
- Concentration:
- 10 vol%
Any other information on results incl. tables
The pH was measured to be 2.7 in 10% solution in water (3 repetitions) at 25 C°.
Applicant's summary and conclusion
- Conclusions:
- The pH of 1-(4-hydrazinylphenyl)sulfonyl-2-methylpropane-2-sulfonic acid at 10% in water is 2.7 (according to OECD 122 and DIN 19268:2007-05).
- Executive summary:
The pH of 1-(4-hydrazinylphenyl)sulfonyl-2-methylpropane-2-sulfonic acid at 10% in water is 2.7 (according to OECD 122 and DIN 19268:2007-05).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
