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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Study initiation: September 02, 2011. Study completion: October 04, 2011
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study performed according to GLP and guideline
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
yes (incl. certificate)
Remarks:
Date of inspection: 26 and 27 October 2010. Date of signature: 8 February 2011
Type of method:
gas saturation method
Specific details on test material used for the study:
-Commercial name: Amyl Salicylate
-Chemical nature: Mixture of Pentyl 2-hydroxybenzoate and 3-Methylbutyl 2-hydroxybenzoate
-Givaudan Code No: 8810001
- Physical state: Liquid
- Analytical purity: 99.73% (sum of two isomers)
- Lot/batch No.: VE00100713
- Expiration date: September 12, 2012
Temp.:
20 °C
Vapour pressure:
0.24 Pa

Headspace vapour concentrations of Amyl Salicylate as found after different equilibration times are shown in Table 1:

Equilibration time [h]

Headspace concentration [g/m3]

 

 

24

0.0196

28

0.0147*

48

0.0203

52

0.0207

 

 

Average

0.0202

* considered outlier, not used for vapour pressure calcualtion

Conclusions:
The avpour pressure of Amyl Salicylate was 0.24 Pa at 20°C
Executive summary:

The vapour pressure of Amyl Salicylate has been determined to be 0.24 Pa at 20°C using the Gas Saturation method (OECD Guideline No. 104).

Description of key information

The vapour pressure of Amyl Salicylate has been determined to be 0.24 Pa at 20°C.

Key value for chemical safety assessment

Vapour pressure:
0.24 Pa
at the temperature of:
20 °C

Additional information

The vapour pressure of Amyl Salicylate has been determined to be 0.24 Pa at 20°C using the Gas Saturation method (OECD Guideline No. 104).