1、Designation:D547118(Reapproved 2022)Standard Specification forO-Xylene 9801This standard is issued under the fixed designation D5471;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 in
2、dicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers a grade of o-xylene identifiedas ortho-Xylene 980.1.2 The following applies to all specified limits in thisspecification:for purposes of
3、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
4、regarded asstandard.No other units of measurement are included in thisstandard.1.4 Consult current OSHAregulations and suppliers SafetyData Sheets,and local regulations for all materials used in thisspecification.1.5 This international standard was developed in accor-dance with internationally recog
5、nized 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 Documents2.1 ASTM Standards:2D850 Test Method for Dist
6、illation of Industrial AromaticHydrocarbons and Related MaterialsD1492 Test Method for Bromine Index of Aromatic Hydro-carbons by Coulometric TitrationD3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD5776 Test Method fo
7、r Bromine Index of Aromatic Hydro-carbons by Electrometric TitrationD7504 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography andEffective Carbon NumberD8005 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)E29 Practice for Using Significant Digits i
8、n Test Data toDetermine Conformance with SpecificationsE2680 Test Method for Appearance of Clear,TransparentLiquids(Visual Inspection Procedure)2.2 Other Document:3OSHA Regulations,29 CFR Paragraphs 1910.1000 and1910.12003.Properties3.1 O-Xylene 980 shall conform to the following require-ments:Prope
9、rtySpecificationASTM TestMethodAPurity,min,wt%98.0D7504Nonaromatic hydrocarbons,max,wt%0.5D7504p-Xylene plus m-Xylene,max,wt%1.3D7504C9 and heavier aromatics,max,wt%0.8D7504Cumene,wt%B0.5D7504Bromine index,max mg/100 g100D1492 or D5776Appearance,free of haze,particulatesor suspended matter particles
10、passE2680Color,Pt-Co scale,max10D5386 or D8005Distillation range,including the tempera-ture,144.4 C at 101.3 kPA(760 mmHg)pressure,max,C2.0D850AIf more than one method is listed for a property the producer and user shouldagree on the referee method.BCumene is a significant component in o-xylene as i
11、t may contribute to deflagra-tions in some processes under certain conditions.1This specification is under the jurisdiction of ASTM Committee D16 onAromatic,Industrial,Specialty and Related Chemicals and is the direct responsi-bility of Subcommittee D16.01 on Benzene,Toluene,Xylenes,Cyclohexane andT
12、heir Derivatives.Current edition approved Sept.1,2022.Published September 2022.Originallyapproved in 1993.Last previous edition approved in 2018 as D5471 18.DOI:10.1520/D5471-18R22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.F
13、or Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from U.S.Government Publishing Office(GPO),732 N.Capitol St.,NW,Washington,DC 20401,http:/www.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Cons
14、hohocken,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 Trade Organ
15、ization Technical Barriers to Trade(TBT)Committee.14.Sampling4.1 The material shall be sampled in accordance withPractice D3437.5.Keywords5.1 o-XyleneASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users
16、 of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headqua
