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Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24/5/2016 - 24/5/2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental Result

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
The pH determination of test item Sodium 5-(aminosulphonyl)-2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl] benzoxazole sulphonate (CAS No. 93859-32-6) was done as per the test guideline OECD 122.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 5-(aminosulphonyl)-2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazolesulphonate
EC Number:
299-370-6
EC Name:
Sodium 5-(aminosulphonyl)-2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazolesulphonate
Cas Number:
93859-32-6
Molecular formula:
C20H19N3O8S2.Na
IUPAC Name:
sodium 2-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]-5-sulfamoyl-2,3-dihydro-1,3-benzoxazole-2-sulfonate
Test material form:
solid: particulate/powder
Details on test material:
- Name of test material (IUPAC name): sodium 2-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]-5-sulfamoyl-2,3-dihydro-1,3-benzoxazole-2-sulfonate- Common name: sodium 5-(aminosulphonyl)-2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazolesulphonate- Molecular formula: C20H20N3NaO8S2- Molecular weight: 517.513 g/mol- InChl: 1S/C20H21N3O8S2.Na/c1-3-23(4-2)13-6-5-12-9-15(19(24)30-18(12)10-13)20(33(27,28)29)22-16-11-14(32(21,25)26)7-8-17(16)31-20;/h5-11,22H,3-4H2,1-2H3,(H2,21,25,26)(H,27,28,29);/q;+1/p-1- Substance type: Organic- Physical state: Solid- Batch No./ Lot no.: FG/16-17/0003- Physical Appearance: Yellow colored Powder- Stability: Stable in recommended storage conditions- Storage Conditions: 1. Ambient Temp (23 to 27 °C) √ (Store in a cool place. Keep containers tightly closed in a dry and well ventilated place). 2. In Refrigerator (4 °C) and 3. In Freezer (-10 To 0 °C)
Specific details on test material used for the study:
- Name of test material (IUPAC name): sodium 2-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]-5-sulfamoyl-2,3-dihydro-1,3-benzoxazole-2-sulfonate- Common name: sodium 5-(aminosulphonyl)-2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazolesulphonate- Molecular formula: C20H20N3NaO8S2- Molecular weight: 517.513 g/mol- InChl: 1S/C20H21N3O8S2.Na/c1-3-23(4-2)13-6-5-12-9-15(19(24)30-18(12)10-13)20(33(27,28)29)22-16-11-14(32(21,25)26)7-8-17(16)31-20;/h5-11,22H,3-4H2,1-2H3,(H2,21,25,26)(H,27,28,29);/q;+1/p-1- Substance type: Organic- Physical state: Solid- Batch No./ Lot no.: FG/16-17/0003- Physical Appearance: Yellow colored Powder- Stability: Stable in recommended storage conditions- Storage Conditions: 1. Ambient Temp (23 to 27 °C) √ (Store in a cool place. Keep containers tightly closed in a dry and well ventilated place). 2. In Refrigerator (4 °C) and 3. In Freezer (-10 To 0 °C)

Results and discussion

pH value
Key result
pH value:
5.38
Temp.:
34 °C
Concentration:
1 vol%
Remarks on result:
other: weakly acidic

Applicant's summary and conclusion

Conclusions:
The pH determination of test item Sodium 5-(aminosulphonyl)-2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl] benzoxazole sulphonate (CAS No. 93859-32-6) was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of digitalpH meter. The pH was determine to be 5.38 at 34°C.
Executive summary:

The pH determination of test item Sodium 5-(aminosulphonyl)-2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl] benzoxazole sulphonate(CAS No. 93859-32-6)was done as per the test guideline OECD 122. The pH of the test solution was determined with the help of digitalpH meter. The pH was determine to be 5.38 at 34°C indicating weakly acidic nature of the test solution.