Standard Specification for Benzene for Cyclohexane Feedstock

SCOPE
1.1 This specification covers benzene for cyclohexane feedstock.  
1.2 Consult current OSHA regulations supplier's Material Safety Data Sheets for all materials used in this specification.  
1.3 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.

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30-Nov-2004
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ASTM D5871-04 - Standard Specification for Benzene for Cyclohexane Feedstock
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 5871 – 04
Standard Specification for
1
Benzene for Cyclohexane Feedstock
This standard is issued under the fixed designation D 5871; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope* D 4492 Test Method for Analysis of Benzene by Gas
Chromatography
1.1 This specification covers benzene for cyclohexane feed-
D 4735 Test Method for Determination of Trace Thiophene
stock.
in Refined Benzene by Gas Chromatograph
1.2 The following applies to all specified limits in this
D 5386 Test Method for Color of Liquids UsingTristimulus
standard: for purposes of determining conformance with this
Colorimetry
standard, an observed value or a calculated value shall be
D 5713 Test Method for Analysis of High Purity Benzene
rounded off “to the nearest unit” in the last right-hand digit
for Cyclohexane Feedstock by Capillary Gas Chromatog-
used in expressing the specification limit, in accordance with
raphy
the rounding-off method of PracticeE29.
D 7011 Test Method for Determination of Trace Thiophene
1.3 Consult current OSHA regulations supplier’s Material
in refined Benzene by Gas Chromatography and Sulfur
Safety Data Sheets for all materials used in this specification.
Selective Detection
2. Referenced Documents
E29 Practice for Using Significant Digits in Test Data to
2
Determine Conformance with Specification
2.1 ASTM Standards:
2.2 Other Document:
D 848 Test Method for Acid Wash Color of Industrial
OSHA Regulations, 29 CFR, paragraphs 1910.1000 and
Aromatic Hydrocarbons
3
1910.1200
D 852 Test Method for Solidification Point of Benzene
D 1209 Test Method for Color of Clear Liquids (Platinum-
3. Properties
Cobalt Scale)
3.1 Benzene for Cyclohexane Feedstock shall conform to
D 1685 Test Method forTraces ofThiophene in Benzene by
the following requirements:
Spectrophotometry
A
Property Specification ASTM Test Method
D 3437 Practice for Sampling and Handling Liquid Cyclic
Products
Benzene, min, weight % 99.90 D 5713 or D 4492
D 3505 Test Method for Density or Relative Density of
Sulfur, max, mg/kg 1.0 D 4045
Thiophene, max, mg/kg 0.6 D 1685 or D 4735 or
Pure Liquid Chemicals
D 7011
D 4017 Test Method forWater in Paints and paint Materials
Toluene plus methylcyclohexane max, 150 D 5713
by Karl Fisher Method mg/kg
Methylcyclopentane, max mg/kg 100 D 5713
D 4045 Test Method for Sulfur in Petroleum Products by
N-hexane, max, mg/kg 80 D 5713
Hydrogenolysis and Rateometric Colorimetry
Acid wash color, max pass with 1 D 848
B
D 4052 Test Method for Density and Relative Density of Appearance .
Color, max, Pt-Co scale 10 D 1209 or D 5386
Liquids by Digital Density Meter
Relative Density, 15.56/15.56°C 0.882 to 0.886 D 3505 or D
...

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