Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1978
Report date:
1978

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 52 102
Version / remarks:
not specified
GLP compliance:
no
Type of method:
pycnometer method

Test material

Constituent 1
Chemical structure
Reference substance name:
2,3,5-trimethylhydroquinone
EC Number:
211-838-3
EC Name:
2,3,5-trimethylhydroquinone
Cas Number:
700-13-0
Molecular formula:
C9H12O2
IUPAC Name:
2,3,5-trimethylhydroquinone
Test material form:
solid: particulate/powder
Details on test material:
- Name of test material (as cited in study report): Trimethylhydroquinone
- Physical state: yellow powder
- Analytical purity: 99 .8%
- Purity test date: Nov 09, 1994
- Lot/batch No.: 4361662
- Stability under test conditions:
purity and chemical identification of the test material was determined prior to the start of the study and at the end of the study.
- Storage condition of test material:
room temperature (19/08/93 to 14/09/93)
afterwards: room temperature in the dark, over
silica gel, under nitrogen gas
Specific details on test material used for the study:
before grinding

Results and discussion

Density
Key result
Type:
relative density
Density:
1.27 g/cm³
Temp.:
20 °C
Remarks on result:
other: mean of two values

Any other information on results incl. tables

result:

1. determination: 1,28 g/cm3

2. determination: 1,26 g/cm3

mean value: 1,27 g/cm3

Applicant's summary and conclusion

Conclusions:
Based on the pycnometer method the density of trimethylhydroquinone is 1,27 g/cm3.
Executive summary:

A measurement at 20°C acc. to DIN 52 102 gave a result of 1.27 mg/cm3 for the density of trimethylhydroquinone.