ASTM_D_7125_-_11.pdf

Designation:D712511Standard Specification forCumene(Isopropylbenzene)Manufactured Via a ZeoliteProcess1This standard is issued under the fixed designation D7125;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers cumene(isopropylbenzene)manufactured using a zeolite catalyst process.1.2 The following applies to all specified limits in thisspecification:for purposes of determining conformance withthis specification,an observed value or a calculated value shallbe rounded off“to the nearest unit”in the last right-hand digitused in expressing the specification limit,in accordance withthe rounding-off method of Practice E29.1.3 The values stated in SI units are to be regarded asstandard.The values given in parentheses are for informationonly.1.4 Consult current OSHA Regulations and Suppliers Ma-terial Safety Data Sheets,and local regulations for all materialsused in this specification.2.Referenced Documents2.1 ASTM Standards:2D1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1492 Test Method for Bromine Index of Aromatic Hydro-carbons by Coulometric TitrationD2710 Test Method for Bromine Index of Petroleum Hydro-carbons by Electrometric TitrationD3160 Test Method for Phenol Content of Cumene(Isopro-pylbenzene)or AMS(aMethylstyrene)D3437 Practice for Sampling and Handling Liquid CyclicProductsD3760 Test Method for Analysis of Isopropylbenzene(Cumene)by Gas ChromatographyD5386 Test Method for Color of Liquids Using TristimulusColorimetryD7057 Test Method for Analysis of Isopropylbenzene(Cumene)by Gas Chromatography(External Standard)D7183 Test Method for Determination of Total Sulfur inAromatic Hydrocarbons and Related Chemicals by Ultra-violet FluorescenceD7359 Test Method for Total Fluorine,Chlorine and Sulfurin Aromatic Hydrocarbons and Their Mixtures by Oxida-tive Pyrohydrolytic Combustion followed by Ion Chroma-tography Detection(Combustion Ion Chromatography-CIC)E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE298 Test Methods for Assay of Organic PeroxidesE299 Test Method for Trace Amounts of Peroxides InOrganic Solvents2.2 Other Documents:OSHA Regulations,29 CFR paragraphs 1910.1000 and1910.120033.Properties3.1 Cumene(isopropylbenzene)manufactured via a cata-lytic zeolite process shall conform to the following require-ments:PropertySpecificationsASTM TestMethodAPurity,weight%,min99.93D3760 or D7057Alpha-Methylstrene,mg/kg,max50D3760 or D7057Benzene,mg/kg,max10D3760 or D7057Cumene hydroperoxide,at loading,mg/kg,max100E298 or E299Diisopropylbenzenes,Individual Isomer,mg/kg,max5D3760 or D7057Diisopropylbenzenes,Total,mg/kg,max10D3760 or D7057Ethylbenzene,mg/kg,max50D3760 or D7057I-Butylbenzene,mg/kg,max10D3760 or D7057n-Butylbenzene,mg/kg,max10D3760 or D7057s-Butylbenzene,mg/kg,max20D3760 or D7057t-Butylbenzene,mg/kg,max25D3760 or D7057Phenols,mg/kg,max5D3760 or D70571This specification is under the jurisdiction of Committee D16 on AromaticHydrocarbons and Related Chemicals and is the direct responsibility of Subcommittee D16.07 on Styrene,Ethylbenzene and C9 and C10 Aromatic Hydrocar-bons.Current edition approved June 1,2011.Published June 1,2011.Originallyapproved in 2007.Last previous edition approved in 2007 as D7125-07.DOI:10.1520/D7125-11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 n-Propylbenzene,mg/kg,max300D3760,D3160 orD7057Sulfur,mg/kg,max0.1D7183 or D7359Toluene,mg/kg,max10D3760 or D7057Total Butylbenzenes,mg/kg,max65D3760 or D7057Total Cymenes,mg/kg,max50D3760 or D7057Total Non-Aromatics,mg/kg,max150BD3760 or D7057Total GC Unknowns,mg/kg,max50CD3760 or D7057Bromine index,max25D1492 or D2710AppearanceDvisualColor,Pt/Co,max10D1209 or D5386AIf more than one method is listed for a property,the producer and the user shouldagree on the referee test method.BAll components eluting between toluene and cumene in a non-polar(HP-1 orequivalent)GC analysis(See Test Method D3760 or D7057)excluding Ethylben-zene.May include Xylenes.CExcluding CHP,Acetophenone,and 2-Phenyl-2-Propanol(Dimethylbenzylalco-hol or Dimethylphenylcarbinol).DClear liquid,free of sediment and haze when observed at 18.3 to 25.6C(65 to78F).4.Sampling4.1 Sampling the material in accordance w