This specification covers cumene (isopropylbenzene) manufactured via a zeolite catalyst process. Cumene shall conform to the following requirements: purity weight percent, alpha-methylstrene, benzene, cumene hydroperoxide, diisopropylbenzenes, ethylbenzene, i-butylbenzene, n-butylbenzene, s- butylbenzene, t- butylbenzene, phenols, n-propylbenzene, sulfur, toluene, total butylbenzenes, total cymenes, total non-aromatics, total GC unknowns, bromine index, appearance, and color.
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1.1 This specification covers cumene (isopropylbenzene) manufactured using a zeolite catalyst process.
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 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.4 Consult current OSHA Regulations and Supplier's Material Safety Data Sheets, and local regulations for all materials used in this specification.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D1492 Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration
D2710 Test Method for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration
D3160 Test Method for Phenol Content of Cumene (Isopropylbenzene) or AMS (-Methylstyrene)
D3437 Practice for Sampling and Handling Liquid Cyclic Products
D3760 Test Method for Analysis of Isopropylbenzene (Cumene) by Gas Chromatography
D5386 Test Method for Color of Liquids Using Tristimulus Colorimetry
D7057 Test Method for Analysis of Isopropylbenzene (Cumene) by Gas Chromatography (External Standard)
D7183 Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
D7359 Test Method for Total Fluorine, Chlorine and Sulfur in Aromatic Hydrocarbons and Their Mixtures by Oxidative Pyrohydrolytic Combustion followed by Ion Chromatography Detection (Combustion Ion Chromatography-CIC)
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E298 Test Methods for Assay of Organic Peroxides
E299 Test Method for Trace Amounts of Peroxides In Organic Solvents
cumene; isopropylbenzene; 2-phenylpropane; Cumene (isopropylbenzene); Zeolite catalysts;
ICS Number Code 71.080.15 (Aromatic hydrocarbons)
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