Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24 May - 16 June 1994
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1995
Report date:
1995

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes
Type of method:
pycnometer method

Test material

Constituent 1
Chemical structure
Reference substance name:
Hydroxyl-2-pyridone
EC Number:
212-506-0
EC Name:
Hydroxyl-2-pyridone
Cas Number:
822-89-9
Molecular formula:
C5H5NO2
IUPAC Name:
1-hydroxy-1,2-dihydropyridin-2-one
Test material form:
solid: particulate/powder
Details on test material:
- Name of test material (as cited in study reports): Oxy PYRION
- Physical state: solid (powder)
- Appearance: white crystalline powder
Specific details on test material used for the study:
- Batch n°: 93100020
- Analytical purity: not reported
- Expiration date: not reported
- Storage condition: not reported

Results and discussion

Density
Key result
Type:
relative density
Density:
1.449
Temp.:
25 °C

Any other information on results incl. tables

The individual relative density measurements were 1.448 (test 1) and 1.450 (test 2).

Applicant's summary and conclusion

Conclusions:
The relative density of the test item at 25ºC was 1.449.