Standard Historical Last Updated: Sep 30, 2013 Track Document
ASTM D1492-08e1

Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration

Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration D1492-08E01 ASTM|D1492-08E01|en-US Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration Standard new BOS Vol. 06.04 Committee D16
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Significance and Use

This test method is useful for setting specification, for use as an internal quality control tool, and for use in development or research work on industrial aromatic hydrocarbons and related materials. This test method gives a broad indication of olefinic content. It will not differentiate between the types of aliphatic unsaturation.


1.1 This test method covers the determination of the amount of bromine-reactive material in aromatic hydrocarbons. It is usually applied to materials having bromine indexes below 500.

Note 1—Other test methods for determining bromine-reactive material are Test Methods D1159, , D2710, and D5776.

1.2 This test method has been found applicable to aromatic hydrocarbons containing no more than trace amounts of olefins and that are substantially free from material lighter than isobutane and have a distillation end point under 288°C.

1.3 The following applies to all specified limits in this test method: For purposes of determining conformance with this test method, 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.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 WarningMercury has been designated by EPA and many state agencies as a hazardous material that can cause central nervous system, kidney, and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury-containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA's website ( for additional information. Users should be aware that selling mercury or mercury-containing products, or both, in your state may be prohibited by state law.

1.6 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. For a specific hazard statement see Section 8.

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Book of Standards Volume: 06.04
Developed by Subcommittee: D16.04
Pages: 4
DOI: 10.1520/D1492-08E01
ICS Code: 71.080.15