L-Valine, N-(methoxycarbonyl)-3-methyl-

Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

27 July 1999 to 8 September 1999

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

other: Commission Directive 92/69/EEC, A3 (gas comparison pycnometer method).

Deviations:

no

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Version / remarks:

Directive 92/69/EEC - gas pycnometer method

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

air comparison pycnometer (for solids)

Dynamic viscosity of test material:

not relevant; material is a solid

Key result

Type:

relative density

Density:

ca. 1.23 other: (corresponds to D4(20))

Temp.:

22.5 °C

The pressure readings (P1 and P2) and the calculated volume for the calibration are shown in the table below:

P1	P2	Measured volume (cm3)	Certified volume (cm3)	Tolerance (cm3)
17.311	8.570	56.457	56.6	+/- 0.5
17.136	8.482	56.428	56.6	+/- 0.5

The pressure readings, calculated volumes and density values obtained for the test material are shown in the table below.

Determination	P1	P2	Volume (cm3)	Density (kg/m3)
A	17.503	7.187	18.674	1239.2
B	17.674	7.289	19.640	1230.3

Conclusions:

The realtive dentisty of BMS 214702-01 has been determined to be 1.23 at 22.5oC (+/- 0.5oC)

Executive summary:

The relative density of BMS 214702-01 was determined using a gas comparison pycnometer. It was determined to be 1.23 at 22.5 C (+/- 0.5C)

Description of key information

The relative density of BMS 214702-01 was determined using a gas comparison pycnometer. It was determined to be 1.23 at 22.5 C (+/- 0.5C)

Key value for chemical safety assessment

Relative density at 20C:

1.23