2-{3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl}ethyl hydrogen phosphate

Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

20 Jul 2016

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Version / remarks:

adopted in 2008

Deviations:

no

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Version / remarks:

adopted in 2012

Deviations:

no

GLP compliance:

no

Type of method:

air comparison pycnometer (for solids)

Specific details on test material used for the study:

Storage conditions: Ambient temperature (10 to 30 °C)

Type:

relative density

Density:

1.61 other: dimensionless

Temp.:

20 °C

Results
Two tests were done at 20.2 °C, results are shown in Tables 1 and 2.

Table1 – 1^st Test series results

Weight: 1.7136 g	p1[psi]	p2[psi]	Volume [cm^3]	DensityρPR[g/cm^3]
1^stmeasurement	19.575	10.340	1.0632	1.6117
2^ndmeasurement	19.533	10.317	1.0644	1.6099
3^rdmeasurement	19.581	10.342	1.0649	1.6092
Mean			1.0642	1.6103

 

Table 2 – 2^nd Test series results

Weight: 1.6267 g	p1[psi]	p2[psi]	Volume [cm^3]	DensityρPR[g/cm^3]
1^stmeasurement	19.599	10.389	1.0115	1.6083
2^ndmeasurement	19.607	10.395	1.0090	1.6123
3^rdmeasurement	19.527	10.353	1.0084	1.6132
Mean			1.0096	1.6112

 

Mean densityρ_PRfor the two test series is: 1.6108 g/cm³.

Conclusion: The relative density of the test item at 20 °C (compared to water at 4°C) was found to be:

D₄²⁰= 1.61

Description of key information

Relative density: 1.61 at 20 °C (OECD 109, air comparison pycnometer).

Key value for chemical safety assessment

Relative density at 20C:

1.61