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Boiling point

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Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
March 3-6, 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Test facility ISO 9000 series accredited.
Qualifier:
according to
Guideline:
other: Method ASTM E 537
Version / remarks:
07
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Lot No. 040953406F
- Expiration date of the lot/batch: 2 years after production date.
- Purity test date: 3 February 2017

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Keep container tightly closed. Keep in a dry, cool and well ventilated place.

OTHER SPECIFICS:
- Storage at testing facility: 2 years
Boiling pt.:
341.4 °C
Atm. press.:
101.3 kPa
Decomposition:
no
Conclusions:
The Boiling Point of trimethyl benzene-1,2,4-tricarboxylate (TMTM) was determined to be 341.4 deg C at 101.3 kPa.
Executive summary:

The Boiling Point of trimethyl benzene-1,2,4-tricarboxylate (TMTM) was determined to be 341.4 deg C at 101.3 kPa.

Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
other: OECD 104 (Vapour Pressure Curve)
GLP compliance:
yes (incl. certificate)
Type of method:
dynamic method
Boiling pt.:
341.1 °C
Atm. press.:
1 013.25 hPa
Remarks on result:
other: extrapolated value for the vapour pressure curve

Results

 Temperature [°C]     Vapour pressure [hPa]   
 Measurement  Calculation
 144.45  0.99  0.969
 157.23  1.98  1.981
 165.01  2.98  2.979
 175.34  4.98  4.972
 182.56  6.99  6.982
 190.57  9.99  10.010
 207.06  19.99  19.992
 217.51  29.99  30.032
 231.48  50.02  50.004
 241.34  70.05  70.138
 252.17  100.1  99.82
 289.81  300.2  297.99
 310.18  500.2  500.48

The regression of the results leads with a mean deviation of 0.11 % to the following equation:

ln(p/hPa) = 17.6094-5332.10 / (157.80 +t/°C)

The test item was liquid in the temperature range used for the vapor pressure measurements. The Normal Boiling Temperature was obtained by extrapolation of the equation above:

 Temperature [°C]  Vapour pressure [hPa]
 341.1 a)  1013.25

a) extrapolated

Description of key information

Boiling Point: 341.4 deg C at 101.3 kPa

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
341.4 °C

Additional information

The Boiling Point of trimethyl benzene-1,2,4-tricarboxylate (TMTM) was determined to be 341.4 deg C at 101.3 kPa.