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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Hydrolysis

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Administrative data

Endpoint:
hydrolysis
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification

Data source

Reference
Reference Type:
other: Predicted data
Title:
Unnamed
Year:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The data is predicted using the OECD QSAR toolbox version 3.3 with logKow as the primary descriptor.
GLP compliance:
not specified

Test material

Constituent 1
Test material form:
solid: particulate/powder
Details on test material:
- Name of test material : Disodium 4,4'-bis[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate
- Molecular formula : C34H30N10O8S2.2Na
- Molecular weight : 814.769 g/mol
- Smiles notation : [Na+].[Na+].C(=C\c1c(cc(cc1)Nc1nc(nc(n1)OC)Nc1ccccc1)S(=O)(=O)[O-])\c1c(cc(cc1)Nc1nc(nc(n1)OC)Nc1ccccc1)S(=O)(=O)[O-]
- InChl : 1S/C34H30N10O8S2.2Na/c1-51-33-41-29(35-23-9-5-3-6-10-23)39-31(43-33)37-25-17-15-21(27(19-25)53(45,46)47)13-14-22-16-18-26(20-28(22)54(48,49)50)38-32-40-30(42-34(44-32)52-2)36-24-11-7-4-8-12-24;;/h3-20H,1-2H3,(H,45,46,47)(H,48,49,50)(H2,35,37,39,41,43)(H2,36,38,40,42,44);;/q;2*+1/p-2/b14-13+;;
- Substance type : Organic
- Physical state : Solid
Specific details on test material used for the study:
- Name of test material (IUPAC name): Disodium 4,4'-bis[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate
- Molecular formula: C34H30N10O8S2.2Na
- Molecular weight: 814.769 g/mol
- Smiles : [Na+].[Na+].C(=C\c1c(cc(cc1)Nc1nc(nc(n1)OC)Nc1ccccc1)S(=O)(=O)[O-])\c1c(cc(cc1)Nc1nc(nc(n1)OC)Nc1ccccc1)S(=O)(=O)[O-]
- InChI : 1S/C34H30N10O8S2.2Na/c1-51-33-41-29(35-23-9-5-3-6-10-23)39-31(43-33)37-25-17-15-21(27(19-25)53(45,46)47)13-14-22-16-18-26(20-28(22)54(48,49)50)38-32-40-30(42-34(44-32)52-2)36-24-11-7-4-8-12-24;;/h3-20H,1-2H3,(H,45,46,47)(H,48,49,50)(H2,35,37,39,41,43)(H2,36,38,40,42,44);;/q;2*+1/p-2/b14-13+;;
- Substance Type: Organic
- Physical State: Solid
Radiolabelling:
not specified

Study design

Analytical monitoring:
not specified
Positive controls:
not specified
Negative controls:
not specified

Results and discussion

Transformation products:
not specified
Dissipation DT50 of parent compound
Key result
DT50:
249.084 d
Type:
other: estimated data
Remarks on result:
other: Other details not known

Any other information on results incl. tables

Estimation method: Takes average value from the 6 nearest neighbours
Domain  logical expression:Result: In Domain

(((((("a" or "b" or "c" or "d" )  and "e" )  and "f" )  and "g" )  and "h" )  and ("i" and "j" )  )

Domain logical expression index: "a"

Referential boundary: The target chemical should be classified as Anion OR Aromatic compound OR Cation OR Sulfonic acid derivative by Organic functional groups, Norbert Haider (checkmol) ONLY

Domain logical expression index: "b"

Referential boundary: The target chemical should be classified as Aliphatic Carbon [CH] OR Aliphatic Carbon [-CH2-] OR Aliphatic Carbon [-CH3] OR Aliphatic Nitrogen, two aromatic attach [-N-] OR Amino Triazine/Pyrazine/Pyrimidine  OR Aromatic Carbon [C] OR Aromatic Nitrogen OR Miscellaneous sulfide (=S) or oxide (=O) OR Nitrogen, two or tree olefinic attach [>N-] OR Olefinic carbon [=CH- or =C<] OR Oxygen, one aromatic attach [-O-] OR Suflur {v+4} or {v+6} OR Sulfonate, aromatic attach [-SO2-O] OR Sym-Triazine ring  by Organic functional groups (US EPA) ONLY

Domain logical expression index: "c"

Referential boundary: The target chemical should be classified as Alkene OR Aromatic amine OR Aryl OR Ether OR Overlapping groups OR Sulfonic acid OR Triazine by Organic Functional groups (nested) ONLY

Domain logical expression index: "d"

Referential boundary: The target chemical should be classified as Alkene OR Aromatic amine OR Aryl OR Ether OR Sulfonic acid OR Triazine by Organic Functional groups ONLY

Domain logical expression index: "e"

Referential boundary: The target chemical should be classified as Not calculated by Hydrolysis half-life (Ka, pH 7)(Hydrowin) ONLY

Domain logical expression index: "f"

Referential boundary: The target chemical should be classified as Not calculated by Hydrolysis half-life (pH 6.5-7.4) ONLY

Domain logical expression index: "g"

Referential boundary: The target chemical should be classified as Not calculated by Biodeg BioHC half-life (Biowin) ONLY

Domain logical expression index: "h"

Referential boundary: The target chemical should be classified as Does NOT Biodegrade Fast by Biodeg probability (Biowin 1) ONLY

Domain logical expression index: "i"

Parametric boundary:The target chemical should have a value of Molecular weight which is >= 157 Da

Domain logical expression index: "j"

Parametric boundary:The target chemical should have a value of Molecular weight which is <= 1.31E003 Da

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The estimated half-life of Disodium 4,4'-bis[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate was estimated to be 249 days, indicating that it is not hydrolysable.
Executive summary:

Hydrolysis of Disodium 4,4'-bis[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate (CAS no. 3426 -43 -5) is predicted using OECD QSAR toolbox version 3.3 with logKow as the primary descriptor. The estimated half-life of  Disodium 4,4'-bis[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate was estimated to be 249 days, indicating that it is not hydrolysable.