1、Designation:D712522Standard 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 revisio
2、n.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 speci
3、fied 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
4、 E29.1.3 UnitsThe values stated in SI units are to be regardedas standard.No other units of measurement are included in thisstandard.1.4 Consult current OSHA Regulations and SuppliersSafety Data Sheets,and local regulations for all materials usedin this specification.1.5 This international standard
5、was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced
6、 Documents2.1 ASTM Standards:2D1492 Test Method for Bromine Index of Aromatic Hydro-carbons by Coulometric TitrationD3160 Test Method for Phenol Content of Cumene(Isopro-pylbenzene)or AMS(Methylstyrene)D3437 Practice for Sampling and Handling Liquid CyclicProductsD3760 Test Method for Analysis of Is
7、opropylbenzene(Cumene)by Gas ChromatographyD5386 Test Method for Color of Liquids Using TristimulusColorimetryD5776 Test Method for Bromine Index of Aromatic Hydro-carbons by Electrometric TitrationD7057 Test Method for Analysis of Isopropylbenzene(Cumene)by Gas Chromatography(External Standard)D718
8、3 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 Detect
9、ion(Combustion Ion Chromatography-CIC)D8005 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)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 I
10、nOrganic SolventsE2680 Test Method for Appearance of Clear,TransparentLiquids(Visual Inspection Procedure)2.2 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
11、 require-ments:1This specification is under the jurisdiction of Committee D16 on Aromatic,Industrial,Specialty 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 Sept.1,2022.Published Se
12、ptember 2022.Originallyapproved in 2007.Last previous edition approved in 2017 as D7125 17.DOI:10.1520/D7125-22.2For 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 stand
13、ards Document Summary page onthe ASTM website.3Available from Superintendent of Documents,U.S.Government PrintingOffice,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C7
14、00,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World
15、 Trade Organization Technical Barriers to Trade(TBT)Committee.1PropertySpecificationsASTM TestMethodAPurity,mass%,min99.93D3760 or D7057Alpha-Methylstrene,mg/kg,max50D3760 or D7057Benzene,mg/kg,max10D3760 or D7057Cumene hydroperoxide,at loading,mg/kg,max100E298 or E299Diisopropylbenzenes,Individual
16、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,max5D3160,D3760 orD7057n-Propylbenzene,mg/kg,max300D3760 orD7057Sulfur,mg/kg,max0.1D7183 or D7359Toluene,mg/kg,max10D3760 or D7057Total Butylbenzenes,mg/kg,max65D3760 or D7057Total Cymenes,mg/kg,max50D3760