1、Designation: D7125 16D7125 17Standard 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
2、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*Scope1.1 This specification covers cumene (isopropylbenzene) manufactured using a zeolite catalyst process.1.2 The fol
3、lowing applies to all specified limits in this specification: for purposes of determining conformance with thisspecification, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit usedin expressing the specification limit, in accordance with
4、the rounding-off method of Practice E29.1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.4 Consult current OSHA Regulations and Suppliers Safety Data Sheets, and local regulations for all materials used in thisspecificati
5、on.1.5 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to
6、 Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D1492 Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric TitrationD2710 Test Method for Bromine Index of Petroleum Hydrocarbons by Electrometric TitrationD3160 Test Method for Phenol Content of Cumene (Isopropylbenz
7、ene) or AMS (Methylstyrene)D3437 Practice for Sampling and Handling Liquid Cyclic ProductsD3760 Test Method for Analysis of Isopropylbenzene (Cumene) by Gas ChromatographyD5386 Test Method for Color of Liquids Using Tristimulus ColorimetryD7057 Test Method for Analysis of Isopropylbenzene (Cumene) b
8、y Gas Chromatography (External Standard)D7183 Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by UltravioletFluorescenceD7359 Test Method for Total Fluorine, Chlorine and Sulfur in Aromatic Hydrocarbons and Their Mixtures by OxidativePyrohydrolytic Combus
9、tion followed by Ion Chromatography Detection (Combustion Ion Chromatography-CIC)D8005 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)E29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE298 Test Methods for Assay of Organic PeroxidesE299
10、 Test Method for Trace Amounts of Peroxides In Organic SolventsE2680 Test Method for Appearance of Clear, Transparent Liquids (Visual Inspection Procedure)2.2 Other Documents:OSHA Regulations, 29 CFR paragraphs 1910.1000 and 1910.1200 33. Properties3.1 Cumene (isopropylbenzene) manufactured via a ca
11、talytic zeolite process shall conform to the following requirements:1 This specification is under the jurisdiction of Committee D16 on Aromatic Hydrocarbons Aromatic, Industrial, Specialty and Related Chemicals and is the directresponsibility of Sub committee D16.07 on Styrene, Ethylbenzene and C9 a
12、nd C10 Aromatic Hydrocarbons.Current edition approved June 1, 2016June 1, 2017. Published August 2016June 2017. Originally approved in 2007. Last previous edition approved in 20112016 asD7125 11.D7125 16. DOI: 10.1520/D7125-16.10.1520/D7125-17.2 For referencedASTM standards, visit theASTM website, w
13、ww.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE,
14、 Washington, DC 20401, http:/www.access.gpo.gov.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurate
15、ly, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Dri
16、ve, PO Box C700, West Conshohocken, PA 19428-2959. United States1Property Specifications ASTM TestMethodAPurity, weight %, min 99.93 D3760 or D7057Alpha-Methylstrene, mg/kg, max 50 D3760 or D7057Benzene, mg/kg, max 10 D3760 or D7057Cumene hydroperoxide, at loading, mg/kg,max100 E298 or E299Diisoprop
17、ylbenzenes, Individual Isomer,mg/kg, max5 D3760 or D7057Diisopropylbenzenes, Total, mg/kg, max 10 D3760 or D7057Ethylbenzene, mg/kg, max 50 D3760 or D7057I-Butylbenzene, mg/kg, max 10 D3760 or D7057n-Butylbenzene, mg/kg, max 10 D3760 or D7057s-Butylbenzene, mg/kg, max 20 D3760 or D7057t-Butylbenzene
18、, mg/kg, max 25 D3760 or D7057Phenols, mg/kg, max 5 D3160, D3760 orD7057n-Propylbenzene, mg/kg, max 300 D3760 orD7057Sulfur, mg/kg, max 0.1 D7183 or D7359Toluene, mg/kg, max 10 D3760 or D7057Total Butylbenzenes, mg/kg, max 65 D3760 or D7057Total Cymenes, mg/kg, max 50 D3760 or D7057Total Non-Aromati
19、cs, mg/kg, max 150B D3760 or D7057Total GC Unknowns, mg/kg, max 50C D3760 or D7057Bromine index, max 25 D1492 or D2710Appearance D visualAppearance, free of haze,particulates or suspendedmatter particlespass E2680Color, Pt/Co, max 10 D5386 or D8005A If more than one method is listed for a property,
20、the producer and the user should agree on the referee test method.B All components eluting between toluene and cumene in a non-polar (HP-1 or equivalent) GC analysis (See Test Method D3760 or D7057) excluding Ethylbenzene. Mayinclude Xylenes.C Excluding CHP, Acetophenone, and 2-Phenyl-2-Propanol (Di
21、methylbenzylalcohol or Dimethylphenylcarbinol).D Clear liquid, free of sediment and haze when observed at 18.3 to 25.6C.D7125 1724. Sampling4.1 Sampling the material in accordance with Practice D3437.4.2 If cumene has been exposed to air, cumene hydroperoxide may be in the sample. Suitable precautio
22、ns should be exercisedfor handling cumene that may contain cumene hydroperoxide.5. Keywords5.1 cumene; isopropylbenzene; 2-phenylpropaneSUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D712511)that may impact the use of this stand
23、ard. (Approved June 1, 2016.)(1) Section 1minor editorial changes.(2) 2.1D1209 deleted and D8005 added.(3) 3.1as above, also fixed error with inclusion of D3160 for n-propylbenzene determination. Removed non-SI units.ASTM International takes no position respecting the validity of any patent rights a
24、sserted in connection with any item mentionedin this standard. Users 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
25、 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 Headquarters. Your comments will rec
26、eive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM Int
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