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Physical & Chemical properties

Boiling point

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Administrative data

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Version / remarks:
1995
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
method according to Siwoloboff
Boiling pt.:
579 K
Atm. press.:
101.325 kPa
Decomposition:
no
Key result
Boiling pt.:
306 °C
Atm. press.:
101.325 kPa
Decomposition:
no

 



  • Accuracy checking


The accuracy of the instrument was checked on March 13, 2017 by determining the melting point of a certified sample of benzoic acid (certified melting point: 122.5°C ±0.3°C).


The results were:


First determination:             122.8°C


Second determination:      122.8°C


 


Boiling point determination :


First determination:             observed boiling point: 304.2°C


Second determination:      observed boiling point: 303.8°C


 


Correction to normalized pressure :


The atmospheric pressure at the time of the experiment was 97.38 kPa (Meteo Suisse). A correction of the temperature to normalised pressure (101.325 kPa) was made. The determination of this correction factor was made using the Sidney Young equation, as recommended in OECD guideline 103:


Tn = T + (fT · Δp)


Where:           Δp = 101.325 kPa – p


          p = pressure in kPa; the pressure was obtained from the Swiss meteorological service for the time of the experiment;


fT  = rate of change of boiling temperature with pressure in K/kPa, here a value of 0.47 K/kPa was used.


                        T  = temperature in K


                        Tn = normal boiling point


With this correction made, it can be concluded that the standard boiling point of


GR-86-6599 is (values rounded off):


 


579 K (306°C)

Conclusions:
The boiling point of GR-86-6599: 579 K (306°C)
Executive summary:

The boiling point of GR-86-6599 was measured according to OECD Guideline No. 103 (principle according to Siwoloboff). The result can be expressed as follows (values rounded off):

The boiling point of GR-86-6599: 579 K (306°C)

 

Description of key information

The boiling point of GR-86-6599 was measured according to OECD Guideline No. 103 (principle according to Siwoloboff). The result can be expressed as follows (values rounded off):

The boiling point of GR-86-6599: 579 K (306°C)

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
306 °C

Additional information