Bis(2-hydroxyethyl) sulphone

Melting point / freezing point

Link to relevant study record(s)

Reference

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

The study was conducted between 6 March 1998 and 17 May 1998

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Guideline 102 (Melting point / Melting Range)

GLP compliance:

yes (incl. QA statement)

Type of method:

differential scanning calorimetry

Specific details on test material used for the study:

Sponsor's identification: BHES-100X
Batch number: 1A0110
Date received: 20 January 1998
Storage conditions: room temperature in the dark

Key result

Melting / freezing pt.:

>= 303 - <= 323 K

Atm. press.:

100.8 kPa

Decomposition:

no

Sublimation:

no

Thermographic data for determinations 1 and 2 are shown the tables below.

Determination 1

Thermal event	Interpretation	Temperature
		°C	K
Broad endotherm	Melting range	29.6 to 49.9	303 to 323

Determination 2

Thermal event	Interpretation	Temperature
		°C	K
Broad endotherm	Melting range	29.4 to 50.0	303 to 323

Mean melting range = 303 to 323 ± 0.5 K

Atmospheric pressure: 100.8 kPa

Conclusions:

BHES-100X has been determined to melt over the range 303 to 323 ± 0.5 K at an atmospheric pressure of 100.8 kPa.

Executive summary:

Melted over the range 303 to 323 ± 0.5K, by differential scanning calorimetry, using ASTM E537-86 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.

Description of key information

BHES-100X has been determined to melt over the range 303 to 323 ± 0.5 K at an atmospheric pressure of 100.8 kPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:

303 K