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Physical & Chemical properties

Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
3 Jan 1986
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given: Comparable to guideline OECD TG 104.
Reason / purpose for cross-reference:
reference to same study
Qualifier:
equivalent or similar to guideline
Guideline:
other: OECD 104 Vapor Pressure, Section 8, Dynamic Method (Cottrell’s Method)
Type of method:
dynamic method
Remarks:
Determination of vapour pressure and boiling point
Boiling pt.:
191.4 °C
Atm. press.:
1 013 hPa
Decomposition:
no

Measurement data:

MEASURED

TEMP.    PRESS.

ERRoR IN PRESSURE USING EQN

% ERR                   DP1

85.097

20.17

0.208

0.04

100.763

40.27

-0.260

-0.10

117.958

79.99

-0.147

-0.12

129.092

120.19

0.018

0.02

137.435

160.13

0.075

0.12

144.061

199.05

0.079

0.16

157.326

300.40

0.107

0.32

171.455

450.45

0.041

0.18

182.172

599.70

-0.121

-0.73

The following Antoine Equation was fit to the measurement data:

ln(P)= A + B/(C+T)

P is in mm Hg

T is in °C

A = 16.38429

B = -3820.722

C = 200.411

The boiling point of test substance, 760 mm Hg = 191.4 °C, was calculated from the Antoine equation shown above.

Conclusions:
The boiling point of the test substance is 191.4 °C at 1013 hPa.
Executive summary:

The boiling point of the test substance was determined similar to OECD TG 104 by the dynamic method.

The boiling point of the test substance is 191.4 °C at 1013 hPa.

Description of key information

The boiling point of the test substance is 191.4 °C at 1013 hPa.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
191.4 °C

Additional information

The boiling point of the test substance was determined similar to OECD TG 104 by the dynamic method together with the vapour pressure determination. The boiling point of the test substance is 191.4 °C at 1013 hPa.

A supporting study from another laboratory reports a boiling point of 191.67 °C at 1019.9 hPa measured also by the dynamic method.