Registration Dossier

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14-07-2017 – 14-07-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines

Data source

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

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD 122
Principles of method if other than guideline:
The pH determination of test item Sodium naphthalene-1-sulphonate (CAS No 130-14-3) was done following OECD guideline 122.
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid
Details on test material:
- Name of test material: sodium naphthalene-1-sulfonate
- Molecular formula: C10H7NaO3S
- Molecular weight: 230.218 g/mol
- Smiles notation: c12c(S(=O)(=O)[O-])cccc1cccc2.[Na+]
- InChl: 1S/C10H8O3S.Na/c11-14(12,13)10-7-3-5-8-4-1-2-6-9(8)10;/h1-7H,(H,11,12,13);/q;+1/p-1
- Substance type: Organic
- Physical state: Solid
- Batch no: 455BCTI
- Stability: Stable in recommended storage conditions
- Storage condition: Ambient Temp (23 to 27 °C)
- Water Solubility: 496240 mg/l
Specific details on test material used for the study:
- Name of test material: sodium naphthalene-1-sulfonate
- Molecular formula: C10H7NaO3S
- Molecular weight: 230.218 g/mol
- Smiles notation: c12c(S(=O)(=O)[O-])cccc1cccc2.[Na+]
- InChl: 1S/C10H8O3S.Na/c11-14(12,13)10-7-3-5-8-4-1-2-6-9(8)10;/h1-7H,(H,11,12,13);/q;+1/p-1
- Substance type: Organic
- Physical state: Solid

Results and discussion

pH value
Key result
pH value:
6
Temp.:
25 °C
Concentration:
1 vol%
Remarks on result:
other: No other detail available

Applicant's summary and conclusion

Conclusions:
The pH determination of test item Sodium naphthalene-1-sulphonate (CAS No 130-14-3) 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 6.00 at 25 °C.
Executive summary:

The pH determination of test item Sodium naphthalene-1-sulphonate (CAS No. 130-14-3 ) was done as per the test guideline OECD 122. The mean pH of the test solutionwas determined with the help of digital pH meter. The mean pH was observed to be 6.00 at 25 °C.