Monophosphothiamine

Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

25 Jan 2016

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

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)

Version / remarks:

adopted in 2008

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), dry

Type:

relative density

Density:

1.53 other: dimensionless

Temp.:

20 °C

Results
Two test series with different weights were performed at ambien temperature (20.0 °C), see Table 1.

Table 1 – Results of the two test series

Measurement no.	1^sttest series weight: 4.8614 g DensityρPR[g/cm^3]	2^ndtest series weight: 4.7596 g DensityρPR[g/cm^3]
1	1.5269	1.5270
2	1.5275	1.5281
3	1.5272	1.5277
4	1.5276	1.5272
5	1.5269	1.5275
6	1.5271	1.5268
7	1.5270	1.5268
8	1.5272	1.5265
9	1.5268	1.5269
10	1.5268	1.5268
Mean	1.5271	1.5271

 

The relative density (compared to water at 4 °C) is: D₄^R = ρ_PR/ρ_W4= 1.53/1.00 = 1.53 ±0.01

Description of key information

Relative density: 1.53 at 20 °C (OECD 109, air comparison pycnometer)

Key value for chemical safety assessment

Relative density at 20C:

1.53