Registration Dossier
Registration Dossier
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EC number: 204-972-9 | CAS number: 129-96-4
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- other: Inspection report
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: no guideline applies to this simple observation endpoint
Data source
Reference
- Reference Type:
- other: Inspection report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- no guideline applies to this simple observation endpoint
- GLP compliance:
- no
Test material
- Reference substance name:
- Disodium 4,5-dihydroxynaphthalene-2,7-disulphonate
- EC Number:
- 204-972-9
- EC Name:
- Disodium 4,5-dihydroxynaphthalene-2,7-disulphonate
- Cas Number:
- 129-96-4
- Molecular formula:
- C10H8O8S2.2Na
- IUPAC Name:
- disodium 4,5-dihydroxynaphthalene-2,7-disulfonate
- Test material form:
- solid: particulate/powder
- Details on test material:
- Identity: CTS
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Form:
- solid: particulate/powder
- Colour:
- grey-brown
Applicant's summary and conclusion
- Conclusions:
- CTS is described as a grey-brown powder in internal inspection report.
- Executive summary:
CTS is described as a grey-brown powder in internal inspection report.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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