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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
March 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: study performed according to REACH Annex VI
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: following the recommendations of ECHA for analytical investigations under REACH; Guidance Document "Guidance for identification and naming of substances under REACH", Appendix II, Chapters 10-12
Deviations:
yes
Principles of method if other than guideline:
- appearance and colour: determined by visual judgement
- odour: determined by olfactoric assessment
GLP compliance:
no
Remarks:
(not required for analytical investigations under REACH-legislation; test laboratory ISO-9001 certified)

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2-dimethyl-1,3-dioxane-4,6-dione
EC Number:
217-992-8
EC Name:
2,2-dimethyl-1,3-dioxane-4,6-dione
Cas Number:
2033-24-1
Molecular formula:
C6H8O4
IUPAC Name:
2,2-dimethyl-1,3-dioxane-4,6-dione
Test material form:
solid: crystalline
Details on test material:
- Physical state: see below
- Appearance: see below

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Form:
crystalline
Colour:
beige
Odour:
odourless
Substance type:
organic

Applicant's summary and conclusion

Conclusions:
The substance is an organic, odourless, beige cristalline solid at 20 ºC and 1013 hPa.
Executive summary:

Appearance, physical state and colour was determined as part of the analytical investigations for preparation of the analytical report and mass balance of CN421. The substance is a pale liquid with characteristic, amin-like odour.