Tetraesters of pentaerythritol with 2-ethylhexanoic acid and heptanoic acid and nonanoic acid

Density

Link to relevant study record(s)

Reference

Endpoint:

density, other

Remarks:

density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

22 July 2015

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Basic data given.

Qualifier:

no guideline available

Principles of method if other than guideline:

Oscillating densitimeter

GLP compliance:

no

Type of method:

oscillating densitimeter

Type:

density

Density:

967.828 kg/m³

Temp.:

20 °C

Remarks on result:

other: ±0.050

Type:

density

Density:

953.277 kg/m³

Temp.:

40 °C

Remarks on result:

other: ±0.050

Type:

density

Density:

938.827 kg/m³

Temp.:

60 °C

Remarks on result:

other: ±0.050

Type:

density

Density:

924.391 kg/m³

Temp.:

80 °C

Remarks on result:

other: ±0.050

At each temperature the density of the fluid was calculated from the mean value of the ten measurements made.

Uncertainty:

The reported expanded uncertainty is based on a standard uncertainty multiplied by a coverage factor k=2, providing a coverage probability of approximately 95%. The uncertainty evaluation has been carried out in accordance with the ISO document 2Guide to the expression of uncertainty in measurement". The estimated uncertainty in the measured temperature was ±0.02 °C.

Description of key information

Density: 967.828 kg/m³ at 20 °C

Additional information

The density of the substance Tetraesters of pentaerythritol with 2-ethylhexanoic acid, heptanoic acid and nonanoic acid was determined by using oscillating densitimeter.