Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Administrative data

Endpoint:
appearance / physical state / colour
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:
2006
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

Constituent 1
Chemical structure
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
Constituent 2
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

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odouropen allclose all
Form:
other: Hygroscopic crystals (D(−)- and L(+)-Form
Form:
other: Hygroscopic rosettes or prisms (DL-Form)
Substance type:
organic

Applicant's summary and conclusion