ASTM D304-11(2019)

1.1This specification covers n-butyl alcohol (butanol).

1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3The 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.

1.4For hazard information and guidance, see the supplier's Material Safety Data Sheets.

1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.