Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D4493-03

Standard Test Method for Solidification Point of Bisphenol A (4,4&#180-Isopropylidenediphenol)

Standard Test Method for Solidification Point of Bisphenol A (4,4´-Isopropylidenediphenol) D4493-03 ASTM|D4493-03|en-US Standard Test Method for Solidification Point of Bisphenol A (4,4´-Isopropylidenediphenol) Standard new BOS Vol. 06.04 Committee D16
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Significance and Use

The solidification point of bisphenol A is a direct indication of its purity, although it gives no information as to the nature of any impurities present.

High purity bisphenol A has a solidification point of approximately 157°C.

This test method can be used for internal quality control or for setting specifications.


1.1 This test method describes the procedure for determination of the solidification point of 4,4`-isopropylidene diphenol, commercially known as bisphenol A, between 150 and 157°C.

1.2 The following applies to all specified limits in this standard: For purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off "to the nearest unit" in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Book of Standards Volume: 06.04
Developed by Subcommittee: D16.02
Pages: 3
DOI: 10.1520/D4493-03
ICS Code: 71.080.90