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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
hydrolysis
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Prediction model
Title:
Hydrolysis by EPI (Estimation Programs Interface) Suite
Author:
Sustainability Support Service (Europe) AB - estimated
Year:
2011
Bibliographic source:
Estimation Programs Interface Suite™ United States Environmental Protection Agency, Washington, DC, USA. version 4.1

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Modeling database
Principles of method if other than guideline:
HYDROWIN Program (v2.00) from EPI Suite estimation database
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Disodium 4,4'-dinitrostilbene-2,2'-disulphonate
EC Number:
223-051-2
EC Name:
Disodium 4,4'-dinitrostilbene-2,2'-disulphonate
Cas Number:
3709-43-1
Molecular formula:
C14H10N2O10S2.2Na
IUPAC Name:
disodium 4,4'-dinitrostilbene-2,2'-disulphonate
Details on test material:
- Name of test material : disodium 4,4'-dinitrostilbene-2,2'-disulphonate
- Substance type: Organic
- Physical state: Solid

Results and discussion

Dissipation DT50 of parent compoundopen allclose all
DT50:
2.272 h
Remarks on result:
other: OVERALL OH Rate Constant = 56.4980 E-12 cm3/molecule-sec [Cis-isomer]
DT50:
2.002 h
Remarks on result:
other: OVERALL OH Rate Constant = 64.0980 E-12 cm3/molecule-sec [Trans-isomer]

Applicant's summary and conclusion

Conclusions:
OVERALL OH Rate Constant of disodium 4,4'-dinitrostilbene-2,2'-disulphonate is 56.4980 E-12 cm3/molecule-sec [Cis-isomer] at half life of 2.272 Hrs and 64.0980 E-12 cm3/molecule-sec [Trans-isomer] at half life of 2.002 Hrs
Executive summary:

Overall OH Rate Constant of disodium 4,4'-dinitrostilbene-2,2'-disulphonate is 56.4980 E-12 cm3/molecule-sec [Cis-isomer] at half life of 2.272 Hrs and 64.0980 E-12 cm3/molecule-sec [Trans-isomer] at half life of 2.002 Hrs.