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This specification covers a grade of cyclohexane identified as "cyclohexane 999." The material shall conform to the required purity, benzene content, n-hexane content, methylcyclohexane content, methylcyclopentane content, sulfur content, appearance, color, and distillation range.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers a grade of cyclohexane identified as “cyclohexane 999.”
1.2 The following applies to all specified limits in this standard: for purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice .
1.3 Consult current OSHA regulations, supplier’s Safety Data Sheets, and local regulations for all materials used in this specification.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Other DocumentsOSHA Regulations, 29 CFR
D850 Test Method for Distillation of Industrial Aromatic Hydrocarbons and Related Materials
D3437 Practice for Sampling and Handling Liquid Cyclic Products
D5386 Test Method for Color of Liquids Using Tristimulus Colorimetry
D7183 Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultraviolet Fluorescence
D7266 Test Method for Analysis of Cyclohexane by Gas Chromatography (External Standard)
D8005 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E2680 Test Method for Appearance of Clear, Transparent Liquids (Visual Inspection Procedure)
ICS Number Code 71.080.10 (Aliphatic hydrocarbons)
UNSPSC Code 12352000(Aliphatic and aromatic compounds)
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ASTM D5309-17, Standard Specification for Cyclohexane 999, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top