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EC number: 290-260-3 | CAS number: 90106-38-0 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Rosa damascena, Rosaceae.
- 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:
- From 5 to 12 September 2016
- 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 substance is considered to be 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:
- GLP certificate (inspected on 13 and 14 October 2014 / signed on 8 April 2015)
- Type of method:
- dynamic method
- Remarks:
- Cottrell pump is used in the main test (pre-test with Siwoloboff method is performed)
- Key result
- Atm. press.:
- ca. 101 325 Pa
- Decomposition:
- yes
- Remarks:
- Considering the complex nature of the substance, the temperature of initial decomposition of the test item cannot be clearly determined using these methods. Using SIWOLOBOFF and dynamic method signs of decomposition were observed from 210°C.
- Decomp. temp.:
- >= 210 °C
- Remarks on result:
- not determinable
- Remarks:
- Decomposition
- Conclusions:
- No boiling point was recorded due to decomposition of the substance.
- Executive summary:
A study was conducted to determine the boiling point of the test substance under GLP according to OECD 103 / EU A2 guideline.
No boiling point was determined because of decomposition of the test item observed (colour change and temperature difference between test item and the Cottrell pump)
The temperature of initial decomposition of the substance is not clear. Condering the observations reported using Siwoloboff and Cottrell methods, the initial decomposition is considered to be observed from approximately 210°C (colour change).
According to Regulation (EC) No 1907/2006 (REACH) annex VII, column 2 of section 7.3, the determination of the boiling point does not need to be conducted for substances which decompose before boiling (e.g. auto-oxydation, rearrangement, degradation, decomposition, etc...)Therefore no additional test was conducted.
Reference
Pre-test :
Using Siwoloboff method, small bubbles were observed from approximately 120°C, condensate on the reagent glass wall was observed from approximately 170°C and change of colour was observed from approximately 210°C (red-orange to greenish). More and more bubbles were observed from 210°C to 247.2°C (turned off). In cooling down phase, no bubbles at the surface of the sample were observed at 239°C.
After cooling down the test item was greenish.
Results main test
Observations and measured values are presented in the following table.
Table 4.3.2.- Results
Decomposition |
Temperature Cottrell pump |
Temperature test item |
Atmospheric Pressure |
First determination |
225.3 °C (498.5 K) |
234.0 °C (507.2 K) |
99875 Pa |
Second determination |
225.7 °C (498.9 K) |
234.0 °C (507.2 K) |
99880 Pa |
Table 4.3.3 .-Observations
Observations |
Temperature Cottrell pump |
Temperature test item |
Lots of small bubbles |
since 30 °C |
since 90 °C |
The colour was slightly greenish |
since 210 °C |
since 225°C |
After cooling down the test item was greenish.
Boiling, indicated by pumping of the Cottrell pump, was observed at 225.3 °C (first determination) and 225.7°C (second determination), while the temperature measured in the sample was 234°C (between 99875 and 99880 Pa).
For this complex substance, the thermometer in the Cottrell pump showed a lower temperature than the temperature in the sample, which may be the sign of decomposition. In addition, the colour change of the test item after cooling down indicated clearly decomposition of the test item during the experiment.
Considering the complex nature of the substance, the temperature of initial decomposition of the test item cannot be clearly determined using these methods. However signs of decomposition of the substance (such as change of colour and difference between temperatures of the test item and in the Cottrell pump) were observed from 210°C.
As the test item showed decomposition, the calculation following the equation of Sydney – Young was not necessary.
No observations were made which might cause doubts on the validity of the study outcome. Therefore, the result of the study is considered valid.
Description of key information
No boiling point was recorded due to the decomposition of the test item before boiling.
The temperature of initial decomposition of the test item cannot be clearly determined using SIWOLOBOFF and dynamic method.
However, using these methods, signs of decomposition of the substance (such as change of colour) were observed from 210°C.Key value for chemical safety assessment
Additional information
A reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.