This specification covers toluene for toluene diisocyanate (TDI) feedstock. The purity, acid wash color, benzene, nanoromatics, ethylbenzene, xylenes, and appearance of toluene shall be tested to meet the requirements prescribed.
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1.1 This specification covers toluene for toluene diisocyanate (TDI) feedstock.
1.2 The following applies to all specified limits in this specification: for purposes of determining conformance with this specification, 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 Consult OSHA regulations and suppliers' material safety data sheets for all materials used in this specification.
1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D848 Test Method for Acid Wash Color of Industrial Aromatic Hydrocarbons
D1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D2360 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
D3437 Practice for Sampling and Handling Liquid Cyclic Products
D5386 Test Method for Color of Liquids Using Tristimulus Colorimetry
D6526 Test Method for Analysis of Toluene by Capillary Column Gas Chromatography
D7504 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective Carbon Number
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
OSHARegulations,29CF paragraphs 1910.1000 and 1910.1200 Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://www.access.gpo.gov.
impurities in toluene; toluene; toluene diisocyanate feedstock; Impurities--organic compounds; Paint materials/applications--specifications; Toluene; Toluene diisocyanate (TDI) feedstock;
ICS Number Code 71.080.15 (Aromatic hydrocarbons)
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