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Density

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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

Key value for chemical safety assessment

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.

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