Registration Dossier
Registration Dossier
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: 200-101-1 | CAS number: 51-48-9
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 12 December 2018 - 14 January 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- air comparison pycnometer (for solids)
- Key result
- Type:
- density
- Density:
- ca. 2 439.2 kg/m³
- Temp.:
- 20 °C
- Key result
- Type:
- relative density
- Density:
- 2.44 kg/m³
- Temp.:
- 20 °C
- Conclusions:
- The measured density of O-METHYL-L-DIIODOTHYRONIN was 2439.2 ± 26.07 kg/m3.
The relative density of O-METHYL-L-DIIODOTHYRONIN (D) is 2.44. - Executive summary:
A known weight of the test item was placed in the sample cell and its volume determined by the density tester. The density of the test item was calculated from its weight and volume.
The measured density of O-METHYL-L-DIIODOTHYRONIN was 2439.2 ± 26.07 kg/m3.
The relative density of O-METHYL-L-DIIODOTHYRONIN (D) is 2.44.
Reference
Description of key information
The mean relative density of Levothyroxine Acid (D) is 2.44 at 20 °C.
Key value for chemical safety assessment
- Relative density at 20C:
- 2.44
Additional information
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.
