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Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16 Nov 2018 - 19 Dec 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
not specified
GLP compliance:
yes
Type of method:
pycnometer method

Test material

Constituent 1
Chemical structure
Reference substance name:
Magnesium potassium fluoride silicate (Mg2.7K0.7Si4O10F2)
EC Number:
949-694-5
Molecular formula:
Mg2.7K0.7Si4O10F2
IUPAC Name:
Magnesium potassium fluoride silicate (Mg2.7K0.7Si4O10F2)
Test material form:
solid: particulate/powder
Details on test material:
Trade name: MICROMICA
Specific details on test material used for the study:
Chemical name: Magnesium potassium fluoride silicate (Mg2.7K0.7Si4O10F2)
Previously known as: magnesium potassium silicon fluoride hydroxide oxide, and referenced as CAS number 273730-58-8
Trade name: MICROMICA
Composition formula: K₀.₇Mg₂.₇Si₄O₁₀F₂
Molecular weight: 403.33 g/mol
Purity of test item: ≥95%
Impurity: <5% water
Lot number: 776A

Results and discussion

Density
Key result
Type:
relative density
Density:
2.741 g/cm³
Temp.:
20 °C

Any other information on results incl. tables

Measurement

Calculated density at 20°C (g/mL)

Relative density

Measured value

Mean

1

2.744

2.741

2.741

2

2.738

Applicant's summary and conclusion

Conclusions:
The relative density of the test item, relative to water at 4 °C, was measured to be 2.741 at 20 °C.
Executive summary:

The relative density of the test item was measured in a GLP study performed using method OCED 109 with a pycnometer. The relative density of the test item, relative to water at 4 °C, was measured to be 2.741 at 20 °C.

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