Registration Dossier
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EC number: 701-349-8 | CAS number: -
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19 July 2017 - 01 June 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Study was conducted in accordance with international guidelines and in accordance with GLP. All guideline validity criteria were met.
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.6302 (Color)
- Version / remarks:
- August 1996
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.6303 (Physical State)
- Version / remarks:
- August 1996
- GLP compliance:
- yes (incl. QA statement)
- Physical state at 20°C and 1013 hPa:
- solid
- Key result
- Form:
- solid
- Colour:
- The sample of test item was visually assessed at 20.0 ± 0.5 ºC to be pale yellow.
The test item was determined by two scientific personnel to be 5Y 8.5/4 (hue, value/chroma). - Odour:
- other: Not determined.
- Substance type:
- organic
- Conclusions:
- The colour of the test item was visually assessed at 20 °C ± 0.5 °C to be pale yellow and classified as 5Y 8.5/4 using the Munsell® Colour System. The physical state of the test item was visually assessed at 20 °C ± 0.5 °C to be a solid, homogeneous translucent and soft.
- Executive summary:
OPPTS 830.6302, OPPTS 830.6303 – The physical state and colour of the test item was determined using visual assessment. The procedure employed was designed to be compatible with the EPA’s OPPTS 830.6302 and OPPTS 830.6303 (OCSPP) guideline method of August 1996.
Determination of the Colour (Visual Assessment) and Determination of the Physical State: An aliquot of the test item was melted in an oven at approximately 100 °C and transferred to a clear glass open topped container and equilibrated in a water bath at 20.0 ± 0.5 °C for 65 minutes. The sample was then placed on a white background and viewed under natural light. The colour and physical state of the test item was visually assessed. The test item received was a solid block and to be representative of this, the test item was melted and solidified prior to visually assessment.
Determination of the Colour (Munsell® Colour System): An aliquot of test item was scraped out of the container and transferred to a clear glass open topped container and equilibrated in a water bath at 20.0 °C ± 0.5 °C for 50 minutes. The sample was then placed on a white background and viewed under natural light. The colour was assessed by two scientific personnel using the Munsell® Colour System, two independent determinations were made.
The sample of test item was visually assessed at 20.0 ± 2.0 ºC to be a pale yellow solid (Munsell colour code: 5Y 8.5/4).
Reference
Results – Determination of the Colour (Visual Assessment):
The sample of test item was visually assessed at 20.0 °C ± 0.5 °C to be pale yellow.
Results – Determination of the Colour (Munsell® Colour System):
The test item was determined to be 5Y 8.5/4 (hue, value/chroma) by the Munsell® Colour System.
Results – Determination of the Physical State:
The sample of test item was visually assessed at 20.0 °C ± 0.5 °C to be a solid, homogeneous, opaque, translucent and soft.
Discussion:
The appearance of the test item was initially performed on an aliquot of solid test item scraped out of the container. This was observed to be opaque and therefore suitable for assessment busing the Munsell® Colour System. However, the test item in the container was a solid block and to be representative of this, the test item was melted and visually assessed.
For the appearance test, the test item was melted in an oven set at 100 °C. A boiling point study demonstrated no observed decomposition below 160 °C(1). Therefore, it was considered that there would be no significant effect on the appearance test. The melted test item was disposed of after the appearance test.
Conclusion:
The colour of the test item was visually assessed at 20 °C ± 0.5 °C to be pale yellow and classified as 5Y 8.5/4 using the Munsell® Colour System. The physical state of the test item was visually assessed at 20 °C ± 0.5 °C to be a solid, homogeneous translucent and soft.
(1) Butler, R. (2018). EU Method A.2. Octadecanoic acid, reaction products with 2-[(2-aminoethyl)amino]ethanol and urea:
Determination of General Physico-Chemical Properties (unpublished report). Report No: RT62PM
Description of key information
Appearance/physical state/colour: Pale yellow solid (Munsell colour code: 5Y 8.5/4); OCSPP 830.6302, OCSPP 830.6303; R. Butler (2018)
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- solid
Additional information
OPPTS 830.6302, OPPTS 830.6303 – The physical state and colour of the test item was determined using visual assessment. The procedure employed was designed to be compatible with the EPA’s OPPTS 830.6302 and OPPTS 830.6303 (OCSPP) guideline method of August 1996.
Determination of the Colour (Visual Assessment) and Determination of the Physical State: An aliquot of the test item was melted in an oven at approximately 100 °C and transferred to a clear glass open topped container and equilibrated in a water bath at 20.0 ± 0.5 °C for 65 minutes. The sample was then placed on a white background and viewed under natural light. The colour and physical state of the test item was visually assessed. The test item received was a solid block and to be representative of this, the test item was melted and solidified prior to visually assessment.
Determination of the Colour (Munsell® Colour System): An aliquot of test item was scraped out of the container and transferred to a clear glass open topped container and equilibrated in a water bath at 20.0 °C ± 0.5 °C for 50 minutes. The sample was then placed on a white background and viewed under natural light. The colour was assessed by two scientific personnel using the Munsell® Colour System, two independent determinations were made.
The sample of test item was visually assessed at 20.0 ± 2.0 ºC to be a pale yellow solid (Munsell colour code: 5Y 8.5/4).
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