Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Oct 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
- Remarks:
- observations made in guideline study
Reference
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Oct 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- July 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- May 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- < -20 °C
- Conclusions:
- The melting point of pyrolytic sugar was found to be <-20°C (<253.15K)
- Executive summary:
The aim of the study was to determine the melting point of the test item by differential scanning calorimetry, in correspondance with OECD guideline 102. First a pre-test has been conducted. In the pre-test it was shown that the test item was frozen at -80°C.
Therefore, in accordance to Annex VII, column 2 if the EU Regulation1907/2006 (Reach) no further determination of the melting- / freezing point was conducted since the melting point will be below - 20 °C.
Therefore, no additional test was conducted and the freezing / and or melting point is stated as: < -20°C (< 253.15K).
No additional test was conducted as in the pre-test the test substance was still unfrozen and liquid at -20°C.
Pre-test result:
-80°C: Solid
-19.8°C: Unfrozen as the surface was still sticking
3.8°C: Liquid, test item stuck on the wire.
According to Annex VII, column 2 if the EU Regulation1907/2006 (Reach) the determination of the melting- / freezing point does not need to be conducted below a lower limit of - 20 °C.
Therefore, no additional test was conducted and the freezing / and or melting point is stated as:
< - 20 °C (< 253.15 K).
Data source
Materials and methods
- Principles of method if other than guideline:
- Observations from melting point study
- GLP compliance:
- yes
Test material
- Reference substance name:
- 1,6-anhydro-β-D-glucose
- EC Number:
- 207-855-0
- EC Name:
- 1,6-anhydro-β-D-glucose
- Cas Number:
- 498-07-7
- Molecular formula:
- C6H10O5
- IUPAC Name:
- (1R,2S,3S,4R,5R)-6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol
- Reference substance name:
- Glycollaldehyde
- EC Number:
- 205-484-9
- EC Name:
- Glycollaldehyde
- Cas Number:
- 141-46-8
- Molecular formula:
- C2H4O2
- IUPAC Name:
- 2-hydroxyacetaldehyde
- Reference substance name:
- Organic acids
- IUPAC Name:
- Organic acids
- Reference substance name:
- Ketones
- IUPAC Name:
- Ketones
- Reference substance name:
- Phenols
- IUPAC Name:
- Phenols
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- water
- Reference substance name:
- Oligomers of sugars and anhydrosugars
- IUPAC Name:
- Oligomers of sugars and anhydrosugars
- Test material form:
- liquid: viscous
Constituent 1
Constituent 2
Constituent 3
Constituent 4
Constituent 5
Constituent 6
Constituent 7
Results and discussion
- Physical state at 20°C and 1013 hPa:
- liquid
Form / colour / odour
- Key result
- Form:
- liquid: viscous
- Remarks:
- highly viscous
- Colour:
- brown/black
- Substance type:
- organic
Applicant's summary and conclusion
- Conclusions:
- The test item is a brown/black highly viscous liquid made from wood pyrolysis.
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