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Physical & Chemical properties

Boiling point

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Description of key information

The boiling point has been determined by two different methods using:
- the distillation method at atmospheric pressure, Method A2 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC) and
- the Distillation of Petroleum Products at Atmospheric Pressure method, ASTM D 86 - 04b.
The overall boiling temperature range is to be quoted using the results obtained following Method ASTM D 86:
430 to 541 K (157 to 268°C) at 101.2 kPa.

Key value for chemical safety assessment

Additional information

The standard Annex V method for the determination of boiling temperature using the distillation method at atmospheric pressure (ISO 918) is not appropriate for test materials of this nature.These test materials are classed as petroleum products with broad boiling temperature ranges.

The determination of boiling temperatures for petroleum products uses a specific method (IP 123 Petroleum Products - Determination of Distillation Characteristics) which is referenced in ASTM D 86, Standard Test Method for Distillation of Petroleum Products at Atmospheric Pressure.

Method A2 of Commission Directive 92/69/EEC

Overall boiling temperature range: 98 to 217°C at 101.96 to 102.76 kPa.

75% of the test material (5 to 80% distillation) distilled over a significantly reduced range of 411 to 472 ± 0.5 K (138 to 199°C).

Method ASTM D 86

The boiling temperature range of the test material was determined to be 430 to 541 K (157 to 268°C) at 101.2 kPa.