Standard Specification for Benzene for Cyclohexane Feedstock

SCOPE
1.1 This specification covers benzene for cyclohexane feedstock.
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 E 29.
1.3 Consult current OSHA regulations supplier's Material Safety Data Sheets for all materials used in this specification.

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ASTM D5871-06 - 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 – 06
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 5713 Test Method for Analysis of High Purity Benzene
for Cyclohexane Feedstock by Capillary Gas Chromatog-
1.1 This specification covers benzene for cyclohexane feed-
raphy
stock.
D 6875 Test Method for Solidification Point of Industrial
1.2 The following applies to all specified limits in this
Organic Chemicals by Thermistor
standard: for purposes of determining conformance with this
D 7011 Test Method for Determination of Trace Thiophene
standard, an observed value or a calculated value shall be
in Refined Benzene by Gas Chromatography and Sulfur
rounded off “to the nearest unit” in the last right-hand digit
Selective Detection
used in expressing the specification limit, in accordance with
E29 Practice for Using Significant Digits in Test Data to
the rounding-off method of PracticeE29.
Determine Conformance with Specifications
1.3 Consult current OSHA regulations supplier’s Material
2.2 Other Document:
Safety Data Sheets for all materials used in this specification.
OSHA Regulations, 29 CFR, paragraphs 1910.1000 and
3
2. Referenced Documents
1910.1200
2
2.1 ASTM Standards:
3. Properties
D 848 Test Method for Acid Wash Color of Industrial
3.1 Benzene for Cyclohexane Feedstock shall conform to
Aromatic Hydrocarbons
the following requirements:
D 852 Test Method for Solidification Point of Benzene
A
Property Specification ASTM Test Method
D 1209 Test Method for Color of Clear Liquids (Platinum-
Cobalt Scale)
Benzene, min, weight % 99.90 D 5713 or D 4492
D 1685 TestMethodforTracesofThiopheneinBenzeneby Sulfur, max, mg/kg 1.0 D 5453
Thiophene, max, mg/kg 0.6 D 1685, D 4735 or
Spectrophotometry
D 7011
D 3437 Practice for Sampling and Handling Liquid Cyclic
Toluene plus methylcyclohexane max, 150 D 5713
Products mg/kg
Methylcyclopentane, max mg/kg 100 D 5713
D 4017 Test Method forWater in Paints and Paint Materials
N-hexane, max, mg/kg 80 D 5713
by Karl Fischer Method
Acid wash color, max pass with 1 D 848
B
D 4492 Test Method for Analysis of Benzene by Gas
Appearance .
Color, max, Pt-Co scale 10 D 1209 or D 5386
Chromatography
Water (if needed) D 4017
D 4735 Test Method for Determination of Trace Thiophene
Solidification point, anhydrous basis, 5.45 D 852 or D 6875
in Refined Benzene by Gas Chromatography min,° C
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