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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 209-963-3 | CAS number: 599-04-2
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: authoritative handbook
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals (14th Edition - Version 14.4)
- Author:
- O'Neil, Maryadele J. et al.
- Year:
- 2 006
- Bibliographic source:
- © 2006, 2009 Merck & Co., Inc., © 2009 Knovel Corporation. All rights reserved.
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: no data
- GLP compliance:
- no
Test material
- Reference substance name:
- α-hydroxy-β,β-dimethyl-γ-butyrolactone
- EC Number:
- 209-963-3
- EC Name:
- α-hydroxy-β,β-dimethyl-γ-butyrolactone
- Cas Number:
- 599-04-2
- Molecular formula:
- C6H10O3
- IUPAC Name:
- (3R)-dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone
- Reference substance name:
- (±)-dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-one
- EC Number:
- 201-210-7
- EC Name:
- (±)-dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-one
- Cas Number:
- 79-50-5
- IUPAC Name:
- 3-hydroxy-4,4-dimethyldihydrofuran-2(3H)-one
Constituent 1
Constituent 2
Results and discussion
Melting / freezing pointopen allclose all
- Melting / freezing pt.:
- 92 °C
- Remarks on result:
- other: D(−)-Form
- Melting / freezing pt.:
- 91 °C
- Remarks on result:
- other: L(+)-Form
- Melting / freezing pt.:
- 80 °C
- Remarks on result:
- other: DL-Form
Applicant's summary and conclusion
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.
