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EC number: 283-415-1 | CAS number: 84625-40-1 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Trigonella foenum-graecum, Leguminosae.
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 09 January - 28 March 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- The study was conducted according to an internationally recognised method, and under GLP. The test substance is adequately characterised. Therefore full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspected on 20 and 21 June 2017 / signed on 04 September 2017
- Type of method:
- differential scanning calorimetry
- Key result
- Boiling pt.:
- ca. 110 °C
- Atm. press.:
- ca. 101.325 kPa
- Decomposition:
- ambiguous
- Conclusions:
- The test item started to boil under potential decomposition at approximately 110 °C.
- Executive summary:
The study was performed in order to determine the boiling point of test item according to OECD 103, resp. EU A.2, guideline, using the DSC method.
Two DSC measurements in aluminium crucibles with a hole showed a multistage endothermal effect above ambient temperature starting at 115 °C. The mass loss after the DSC measurements amounted to 6 ‑ 90 %. In order to clarify the boiling point an additional measurement with the capillary method was performed.
At about 110 °C increasing formation of bubbles was observed.
Under consideration of the results from the DSC measurements and the capillary method it was concluded that the test item boiled under potential decomposition starting at approximately 110 °C.
Reference
Results
-DSC measurement
Two DSC measurements in aluminium crucibles with a hole showed a multistage endothermal effect above ambient temperature starting at 115 °C (see Table 4.3/1). The mass loss after the DSC measurements amounted to 6 ‑ 90 %.
Table 4.3/1.- Boiling point (DSC measurement)
Ident No. |
Test item / mg |
Starting temperature / °C |
Final test temperature / °C |
Temperature range (endo-thermal) / °C |
Onset °C |
Crucible |
Observations after the measurement |
36809 |
17.91 |
-50 |
500 |
120 – 160 |
multi-stage |
Aluminium with a hole |
Mass loss 90 % |
36831 |
16.82 |
25 |
200 |
115 – n.e. |
multi-stage |
Aluminium with a hole |
Mass loss 6 % |
n.e. not evaluable
Graphical presentations of the DSC runs are shown in the experimental report
In order to clarify the boiling point an additional measurement with the capillary method was performed.
-Capillary method
A measurement with the capillary method was performed to clarify the results of the DSC measurements. Since this measurement was performed only as a verifying screening a high heating rate of 10 K/min was chosen and therefore the absolute temperature values derived with the capillary method are not as accurate as the DSC results. The filling height of the test item was approximately 5 mm.
Table 4.3/2.- Results of the capillary method
No. |
Set point / |
Heating rate / K/min |
End |
Remarks |
1 |
100 |
10 |
250 |
Approx. 100 °C: minor formation of bubbles Approx. 110 °C: increasing formation of bubbles Approx. 188 °C: starting discolouration and ongoing formation of bubbles Approx. 218 °C: increasing formation of bubbles Approx. 250 °C: discoloured to black and ongoing formation of bubbles |
Under consideration of the results from the DSC measurements and the capillary method it was concluded that the test item boiled under potential decomposition starting at approximately 110 °C. The DSC measurements indicated a multistage boiling.
The test item started to boil under potential decomposition at approximately 110 °C
Description of key information
The test item started to boil under potential decomposition at approximately 110 °C.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 110 °C
Additional information
A fully reliable experimental study, conducted according to OECD 103/ EU A2 guideline is available.
It is considered as a key study and the result is retained as key data.
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