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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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