1、Designation: D 5309 02Standard Specification forCyclohexane 9991This standard is issued under the fixed designation D 5309; 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 indicate
2、s the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers a grade of cyclohexane iden-tified as “cyclohexane 999.”1.2 The following applies to all specified limits in thisstandard: for purposes of
3、 determining conformance with thisstandard, an observed value or a calculated value shall berounded off “to the nearest unit” in the last right-hand digitused in expressing the specification limit, in accordance withthe rounding-off method of Practice E 29.1.3 Consult current OSHA regulations, suppl
4、iers MaterialSafety Data Sheets, and local regulations for all materials usedin this specification.2. Referenced Documents2.1 ASTM Standards:D 850 Test Method for Distillation of Industrial AromaticHydrocarbons and Related Materials2D 1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scal
5、e)2D 3054 Test Methods for Analysis of Cyclohexane by GasChromatography2D 3437 Practice for Sampling and Handling Liquid CyclicProducts2D 4045 Test Method for Sulfur in Petroleum Products byHydrogenolysis and Rateometric Colorimetry3D 5386 Test Method for Color of Liquids Using TristimulusColorimetr
6、y2D 6212 Test Method for Total Sulfur in Aromatic Com-pounds by Hydrogenolysis and Rateometric Colorimetry2D 6313 Test Method for Total Sulfur in Aromatic Com-pounds by Hydrogenolysis and Sulfur Specific DifferencePhotometry2D 6428 Test Method for Total Sulfur in Liquid AromaticHydrocarbons and Thei
7、r Derivatives by Oxidative Com-bustion and Electrochemical Detection2E 29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications42.2 Other Documents:OSHA Regulations, 29CFR, Paragraphs 1910.1000 and1910.120053. Properties3.1 Cyclohexane 999 shall conform to th
8、e following re-quirements:ASTM TestProperty Specification MethodPurity, min, weight % 99.90 D 3054Benzene, max, mg/kg 50 D 3054n-Hexane, max, mg/kg 200 D 3054Methylcyclohexane, max, mg/kg 200 D 3054Methylcyclopentane, max, mg/kg 150 D 3054Sulfur, max, mg/kgA1 D 4045or D 6212or D 6313or D 6428Appeara
9、nceBColor, max, Platinum/Cobalt scale 10 D 1209 or D 5386Distillation range, 1.0 D 850including the temperature 80.7C, at101.3 KPa (760 mmHg) pressure,max, C_AIf more than one method is listed for a property and there is a dispute, thereferee method will be agreed upon between the buyer and the sell
10、er.BClear liquid free of sediment and haze at 18.3 to 25.6C (65 to 78F).4. Sampling4.1 Sample the material in accordance with PracticeD 3437.5. Keywords5.1 cyclohexane 9991This specification is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the dire
11、ct responsibility ofSubcommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane, and TheirDerivatives.Current edition approved June 10, 2002. Published August 2002. Originallypublished as D 5309 92. Last previous edition D 5309 97.2Annual Book of ASTM Standards, Vol 06.04.3Annual Book of ASTM Stan
12、dards, Vol 05.02.4Annual Book of ASTM Standards, Vol 14.02.5Available from Superintendent of Documents, U.S. Government PrintingOffice, Washington, DC 20402.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no
13、position respecting the validity of any patent rights asserted 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 responsi
14、bility.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
15、 ASTM International Headquarters. Your comments will receive 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 addr
16、ess shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D 53092
