Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 297-672-2 | CAS number: 93686-22-7 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Citrus reticulata, x C. sinensis, Rutaceae.
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Visual observation in line with ECHA guidance docuemnts.
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Tangerine oil is a mixture of substances and transition from liquid to solid will not be sharp. The „Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance” from ECHA mentions in chapter R7.1.2.3, that «Melting points are not normally carried out for mixtures ». Therefore it is recommended in the EFFA/EFEO guideline „The Registration for REACH of Natural Complex Substances used as Fragrance Ingredients” to describe the state of the essential oil after two days at +5°C and -20 °C rather than determining a transition temperature. As it is common knowledge that citrus oils are liquid at +5 °C only a test at -25 °C was carried out in this examination.
- GLP compliance:
- not specified
- Type of method:
- other: Visual observation
- Melting / freezing pt.:
- < -25 °C
- Conclusions:
- Tangerine oil is a clear mobile liquid at 20°C and a slightly turbid mobile liquid at -25°C after 72h.
- Executive summary:
Tangerine oil is a mixture of substances and transition from liquid to solid will not be sharp. The „Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance” from ECHA mentions in chapter R7.1.2.3, that «Melting points are not normally carried out for mixtures ». Therefore it is recommended in the EFFA/EFEO guideline „The Registration for REACH of Natural Complex Substances used as Fragrance Ingredients” to describe the state of the essential oil after two days at +5°C and -20 °C rather than determining a transition temperature. As it is common knowledge that citrus oils are liquid at +5 °C only a test at -25 °C was carried out in this examination.
Tangerine oil was found to be a clear mobile liquid at 20°C and a slightly turbid mobile liquid at -25°C after 72h.
Reference
Results:
Temperature |
+20 °C |
-25 °C for 72 h |
State of sample |
clear mobile liquid |
slightly turbid mobile liquid |
See also attached photographs.
Description of key information
Tangerine oil is a slightly turbid mobile liquid at -25°C after 72h. Hence, the melting point is <-25ºC
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -25 °C
Additional information
Tangerine oil is a slightly turbid mobile liquid at -25°C after 72h. Hence, the melting point is <-25ºC
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.
