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Diss Factsheets

Physical & Chemical properties

Boiling point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
5 June 1997 - 21 August 1997
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
GLP compliance:
yes
Type of method:
method according to Siwoloboff
Atm. press.:
762 mm Hg
Decomposition:
yes
Decomp. temp.:
> 270 °C

In duplicate determinations at 762 mmHg, DPGDB was found to darken at temperatures above 270°C with no sign of boiling, indicating decomposition.

Conclusions:
The boiling point of DPGDB is not determinable as the test material decomposes above 270ºC (543K).
Executive summary:

A package of testing, including a determination of the boiling point was conducted to determine the physico-chemical properties of the test material DPGDB. The determination of boiling point was conducted according to OECD and EC test guidelines, and in compliance with GLP.

The boiling point of DPGDB was not determinable as the test material decomposed above 270°C (543K) with no sign of boiling.

Description of key information

The boiling point of DPGDB was not determinable as the test material decomposed above 270°C (543K) with no sign of boiling (HLS 1999, VCL249/972399).

Key value for chemical safety assessment

Temperature of decomposition (state purity):
270 °C

Additional information