Registration Dossier
Registration Dossier
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: 202-000-8 | CAS number: 90-51-7
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 07.03.2013 to 18.03.2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Justification for type of information:
- Experimental test result performed using standard test guidelines
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: by pH meter
- Principles of method if other than guideline:
- Measured as negative log of Hydrogen Ion concentration using pH meter & appropriate Buffers of pH 4 & 9
- GLP compliance:
- no
Test material
- Reference substance name:
- 6-amino-4-hydroxynaphthalene-2-sulphonic acid
- EC Number:
- 202-000-8
- EC Name:
- 6-amino-4-hydroxynaphthalene-2-sulphonic acid
- Cas Number:
- 90-51-7
- Molecular formula:
- C10H9NO4S
- IUPAC Name:
- 6-amino-4-hydroxynaphthalene-2-sulphonic acid
- Test material form:
- other: amorphous
- Details on test material:
- Name of substance: 6-amino-4-hydroxynaphthalene-2-sulphonic acid
Molecular formula: C10H9NO4S
Substance type:organic
physical state:solid
Constituent 1
Results and discussion
pH value
- Key result
- pH value:
- 3.03
- Temp.:
- 25 °C
- Concentration:
- 1 vol%
- Remarks on result:
- other: No other detail available
Applicant's summary and conclusion
- Conclusions:
- 1% by volume solution of test chemical was determine to exhibit a pH of 3.03 at 25 deg C. Thus 1% by volume solution of test chemical is relatively acidic in nature.
- Executive summary:
1% by volume solution of test chemical was determine to exhibit a pH of 3.03 at 25 deg C. Thus 1% by volume solution of test chemical is relatively acidic in nature.
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.
