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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
5/12/2015 - 5/12/2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to 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:
2016
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 122
Principles of method if other than guideline:
The pH determination of test item 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl] benzoxazole-5-sulphonamide (68427-35-0) was done following OECD guideline 122.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazole-5-sulphonamide
EC Number:
270-393-3
EC Name:
2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazole-5-sulphonamide
Cas Number:
68427-35-0
Molecular formula:
C20H19N3O5S
IUPAC Name:
2-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]-1,3-benzoxazole-5-sulfonamide
Test material form:
solid: particulate/powder
Details on test material:
- Name of test material (as cited in study report): 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazole-5-sulphonamide
- Molecular formula : C20H19N3O5S
- Molecular weight : 413.452 g/mol.
- Smiles :n1c2cc(S(N)(=O)=O)ccc2oc1c1cc2ccc(N(CC)CC)cc2oc1=O
- InChI : 1S/C20H19N3O5S/c1-3-23(4-2)13-6-5-12-9-15(20(24)28-18(12)10-13)19-22-16-11-14(29(21,25)26)7-8-17(16)27-19/h5-11H,3-4H2,1-2H3,(H2,21,25,26)
- Substance type: Organic
- Physical state: Solid
- Analytical purity: 100%
Specific details on test material used for the study:
- Name of test material (as cited in study report): 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazole-5-sulphonamide
- Molecular formula : C20H19N3O5S
- Molecular weight : 413.452 g/mol.
- Smiles :n1c2cc(S(N)(=O)=O)ccc2oc1c1cc2ccc(N(CC)CC)cc2oc1=O
- InChI : 1S/C20H19N3O5S/c1-3-23(4-2)13-6-5-12-9-15(20(24)28-18(12)10-13)19-22-16-11-14(29(21,25)26)7-8-17(16)27-19/h5-11H,3-4H2,1-2H3,(H2,21,25,26)
- Substance type: Organic
- Physical state: Solid
- Analytical purity: 100%

Results and discussion

pH value
Key result
pH value:
6.6
Temp.:
28.5 °C
Concentration:
1 vol%
Remarks on result:
other: No other detail available

Applicant's summary and conclusion

Conclusions:
The pH of 1% w/v aqueous solution of the test item 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]benzoxazole-5-sulphonamide (CAS No. 68427-35-0) was 6.6 at 28.5 °C
Executive summary:

The pH determination of test item2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl] benzoxazole-5-sulphonamide(68427-35-0) was done following OECD guideline 122. pH of 1% w/v aqueous solution was measured with the help of pH probe and it was observed to be 6.6 at 28.5°C.