1、Designation: D 5309 08Standard 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. Scope*1.1 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 o
3、f 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 E29.1.3 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:2D 850 Test Method for Distillation of Industrial AromaticHydrocarbons and Related MaterialsD 1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scal
5、e)D 3437 Practice for Sampling and Handling Liquid CyclicProductsD 5386 Test Method for Color of Liquids Using TristimulusColorimetryD 7183 Test Method for Determination of Total Sulfur inAromatic Hydrocarbons and Related Chemicals by Ultra-violet FluorescenceD 7266 Test Method for Analysis of Cyclo
6、hexane by GasChromatography (External Standard)E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 Other Documents:OSHA Regulations, 29 CFR, Paragraphs 1910.1000 and1910.120033. Properties3.1 Cyclohexane 999 shall conform to the following re-quiremen
7、ts:ASTM TestProperty Specification MethodPurity, min, weight % 99.90 D 7266Benzene, max, mg/kg 50 D 7266n-Hexane, max, mg/kg 200 D 7266Methylcyclohexane, max, mg/kg 200 D 7266Methylcyclopentane, max, mg/kg 150 D 7266Sulfur, max, mg/kgA1 D 7183AppearanceBColor, max, Platinum/Cobalt scale 10 D 1209 or
8、 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 seller.BClear liquid free of sediment and haze at 18.3
9、 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 direct responsibility ofSubcommittee D16.01 on Benzene
10、, Toluene, Xylenes, Cyclohexane and TheirDerivatives.Current edition approved Jan. 1, 2008. Published January 2008. Originallyapproved in 1992. Last previous edition approved in 2002 as D 5309 02.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at
11、 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.1*
12、A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue(D 5
13、309 - 02) that may impact the use of this standard. (Approved January 1, 2008.)(1) Test Method D 7266 replaced Test Method D 3054 in theASTM Test Method column for GC test in 3.1.(2) Test Method D 7183 replaced Test Methods D 4045,D 6212, D 6313, and D 6428 in the ASTM Test Methodcolumn for Total Su
14、lfur test in 3.1.(3) Test Methods D 7266 and D 7183 were added to Section 2,Referenced Documents.(4) A Summary of Changes section was added.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this
15、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
16、 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 receive careful consideration at a meeting of theresponsible technical committe
17、e, 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 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).D5309082
