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Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
April 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 103 (Boiling Point)
Version / remarks:
27 July 1995
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
30 May 2008
Deviations:
no
GLP compliance:
no
Other quality assurance:
other: ISO 9001:2008
Type of method:
ebulliometer
Key result
Boiling pt.:
274.8 °C
Atm. press.:
>= 1 015 - <= 1 032 hPa
Decomposition:
no

Run 1, batch 025, temperature range 265°C to 285°C, heating rate 1°/min:

First test:      275.4°C at 1032 hPa

Second test:277.2°C at 1032 hPa

 

Run 2, batch 391: temperature range 265°C to 285°C, heating rate 1°/min: 

First test:      274.7°C at 1015 hPa

Second test:274.0°C at 1026 hPa

 

Run 3, batch 409: temperature range 265°C to 285°C, heating rate 1°/min:

First test:      275.5°C at 1026 hPa

Second test:271.8°C at 1026 hPa

 

1. Run         275.4°C

1. Run         277.2°C

2. Run         274.7°C

2. Run         274.0°C

3. Run         275.5°C

3. Run         271.8°C

Mean Value 274.8°C

 

with standard deviation 274.8°C+/-1.7°C (547.95 +/- 1.7 K)

Conclusions:
The decomposition range of Pentaerytritol tetramercaptoacetate has been determined to be 243°C to 277°C (516.15 to 550.15 K) at atmospheric pressure.

Description of key information

The boiling temperature of Glycoldimercaptoacetate(GDMA) has been determined to be 274.8+/-1.7°C(547.95 +/- 1.7 K) at atmospheric pressure

 

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
274.8 °C

Additional information