ASTM D5309-16

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. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
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Designation: D5309 − 08 (Reapproved 2013) D5309 − 16
Standard Specification for
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Cyclohexane 999
This standard is issued under the fixed designation D5309; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
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ε NOTE—Footnotes in 3.1 were corrected editorially in July 2013.
1. Scope*
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 E29.
1.3 Consult current OSHA regulations, supplier’s Material supplier’s Safety Data Sheets, and local regulations for all materials
used in this specification.
2. Referenced Documents
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2.1 ASTM Standards:
D850 Test Method for Distillation of Industrial Aromatic Hydrocarbons and Related Materials
D1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
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
2.2 Other Documents:
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OSHA Regulations, 29 CFR Paragraphs 1910.1000 and 1910.1200
3. Properties
3.1 Cyclohexane 999 shall conform to the following requirements:
ASTM
Property Specification Test Method
Purity, min, weight % 99.90 D7266
Benzene, max, mg/kg 50 D7266
n-Hexane, max, mg/kg 200 D7266
Methylcyclohexane, max, mg/kg 200 D7266
Methylcyclopentane, max, mg/kg 150 D7266
A
Sulfur, max, mg/kg 1 D7183
A
Appearance —
B
Color, max, Platinum/Cobalt scale 10 D1209 or D5386
B
Color, max, Platinum/Cobalt scale 10 D5386 or D8005
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This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of Subcommittee
D16.01 on Benzene, Toluene, Xylenes, Cyclohexane and Their Derivatives.
Current edition approved July 1, 2013June 1, 2016. Published July 2013June 2016. Originally approved in 1992. Last previous edition approved in 20082013 as
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D5309 – 08.D5309 – 08 (2013) . DOI: 10.1520/D5309-08R13E01.10.1520/D5309-16.
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For referenced ASTM standards, v
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