Registration Dossier
Registration Dossier
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EC number: 200-238-7 | CAS number: 55-56-1
Phototransformation in soil
Administrative data
- Endpoint:
- phototransformation in soil
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- other information
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Unsuitable test system. In aqueous solution, Chlorhexidine digluconate dissociates to the chlorhexidine base and the gluconate.Therefore the information obatined with Chlorhexidine digluconate is relevant for the assessment of Chlorhexidine base.
Data source
Referenceopen allclose all
- Reference Type:
- publication
- Title:
- Environmental Hazard Profile of Organic Chemicals; An Experimental Method for the Assessment of the Behaviour of Organic Chemicals in the Ecosphere by Means of Simple Laboratory Tests with 14C Labelled Chemicals
- Author:
- Freitag D, Ballhorn L, Geyer H, Korte F
- Year:
- 1 985
- Bibliographic source:
- Chemosphere 14 (10), 1589-1616
- Reference Type:
- publication
- Title:
- Ecotoxicological Profile Analysis; VII. Screening Chemicals for Their Environmental Behaviour by Comparative Evaluation
- Author:
- Freitag D, Geyer H, Kraus A, Viswanathan R, Kotzias D, Attar A, Klein W, Korte F
- Year:
- 1 982
- Bibliographic source:
- Ecotoxicol. Environ. Saf. 6, 60-81
Materials and methods
- Principles of method if other than guideline:
- Irradiation of substance adsorbed to silica gel
- GLP compliance:
- not specified
Test material
- Reference substance name:
- D-gluconic acid, compound with N,N''-bis(4-chlorophenyl)-3,12-diimino-2,4,11,13-tetraazatetradecanediamidine (2:1)
- EC Number:
- 242-354-0
- EC Name:
- D-gluconic acid, compound with N,N''-bis(4-chlorophenyl)-3,12-diimino-2,4,11,13-tetraazatetradecanediamidine (2:1)
- Cas Number:
- 18472-51-0
- IUPAC Name:
- N',N'''''-hexane-1,6-diylbis[N-(4-chlorophenyl)(imidodicarbonimidic diamide)] - D-gluconic acid (1:2)
- Details on test material:
- Chlorhexidine digluconate (Ring-U-14C-labelled, specific activity: 9.1 Curie/mol; purity: 99 % by radio-TLC)
Constituent 1
- Radiolabelling:
- yes
Study design
- Light source:
- other: UV lamp
- Light spectrum: wavelength in nm:
- >= 290
Duration of test at given test condition
- Temp.:
- 15 °C
Results and discussion
% Degradation
- % Degr.:
- 20
- Sampling time:
- 17 h
Applicant's summary and conclusion
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