Registration Dossier
Registration Dossier
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EC number: 937-924-7 | CAS number: -
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
- Endpoint:
- appearance / physical state / colour
- Type of information:
- other: Company data
- Remarks:
- qualitative assessment
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Appearance, physical state and colour at 25°C have been qualitative assessed by visual estimation of many samples, confirmed by all users and confirmed by melting and boiling point measurements for physical state
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Qualitative assessment
Within a preliminary test an applicable concentration was determined.
1 g of "Reactive Blendwell Orange” was weighed into a 250 ml measuring flask and dissolved with demineralized
water (DW) to prepare the stock solution. Afterwards the stock solution was diluted: 4ml + 496 ml of DW.
The solutions and bind solution were tempered at 20°C. After reaching the auto zero, a single beam photometer Perkin Elmer Lambda 25 was used for the measurement.
A first measure with the cell filled up with the corresponding blank solution (DW) was done to establish the base line.
After that, a second measure with the sample solution was also done.
Parameters:
Instrument: Perkin Elmer Lambda 25 (configured as single beam), using 1 cm path-length and UV Winlab
V:2,85,04
Solvent: demineralized water
Range: 380 nm - 740 nm
Scan speed: 240 nm/ min
Wavelength interval: 1 nm
Ordinate type: A
Slit: 1 nm
Smooth: 2 nm
Path length: 1 cm
Testing temperature: 20 °C
Results:
The test item “Orange Blendwell" showed absorption maxima at 418. nm (figure) - GLP compliance:
- no
- Physical state at 20°C and 1013 hPa:
- solid
- Remarks:
- solid powder
- Key result
- Form:
- solid: particulate/powder
- Colour:
- dark orange
- Odour:
- odourless
- Substance type:
- organic
- Conclusions:
- The substance is solid dark orange powder odourless
- Executive summary:
The substance is solid dark orange powder odourless
Reference
Description of key information
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- solid
Additional information
the substance is solid dark orange powder odourless
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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