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ASTM D6367-21

(Specification)

Standard Specification for AMS (α-Methylstyrene)

Standard Specification for AMS (α-Methylstyrene)

ABSTRACT
This specification establishes the requirements for AMS (alpha-Methylstyrene). Sampled specimens shall conform to the following physical and chemical properties: minimum AMS content; maximum phenol content; maximum polymer content; inhibitor content; appearance; and color (Pt-Co units).
SCOPE
1.1 This specification covers AMS (α-Methylstyrene).  
1.2 The following applies to all limits in this specification: for purposes of determining conformance with this specification, 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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4 Consult current OSHA regulations, suppliers’ Safety Data Sheets, and local regulations for all materials used in this specification.  
1.5 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.

General Information

Status
Published
Publication Date
31-Oct-2021
ICS
75.080 - Petroleum products in general
Technical Committee
D16 - Aromatic, Industrial, Specialty and Related Chemicals
Drafting Committee
D16.07 - Styrene, Ethylbenzene and C9 and C10 Aromatic Hydrocarbons
Current Stage
Ref Project

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Standards Content (Sample)

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.
Designation: D6367 −21
Standard Specification for
1
AMS (α-Methylstyrene)
This standard is issued under the fixed designation D6367; 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.
1. Scope* D3437 Practice for Sampling and Handling Liquid Cyclic
Products
1.1 This specification covers AMS (α-Methylstyrene).
D4590 Test Method for Colorimetric Determination of
1.2 The following applies to all limits in this specification:
p-tert-Butylcatechol In Styrene Monomer or AMS
for purposes of determining conformance with this
(α–Methylstyrene) by Spectrophotometry
specification, an observed value or a calculated value shall be
D5386 Test Method for Color of Liquids Using Tristimulus
rounded off “to the nearest unit” in the last right-hand digit
Colorimetry
used in expressing the specification limit, in accordance with
D6144 Test Method forAnalysis ofAMS (α-Methylstyrene)
the rounding-off method of Practice E29.
by Capillary Gas Chromatography
D7504 Test Method for Trace Impurities in Monocyclic
1.3 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this Aromatic Hydrocarbons by Gas Chromatography and
Effective Carbon Number
standard.
D7977 Test Methods for Polymer Content of AMS (α-
1.4 Consult current OSHA regulations, suppliers’ Safety
Methylstyrene)
Data Sheets, and local regulations for all materials used in this
D8005 Test Method for Color of Clear Liquids (Platinum-
specification.
Cobalt Scale)
1.5 This international standard was developed in accor-
E29 Practice for Using Significant Digits in Test Data to
dance with internationally recognized principles on standard-
Determine Conformance with Specifications
ization established in the Decision on Principles for the
E2680 Test Method for Appearance of Clear, Transparent
Development of International Standards, Guides and Recom-
Liquids (Visual Inspection Procedure)
mendations issued by the World Trade Organization Technical
2.2 Other Documents:
Barriers to Trade (TBT) Committee.
OSHA Regulations 29 CFR paragraphs 1910.1000 and
3
1910.1200
2. Referenced Documents
2
3. Properties
2.1 ASTM Standards:
D3160 Test Method for Phenol Content of Cumene (Isopro-
3.1 AMS shall conform to the requirements shown in Table
pylbenzene) or AMS (α–Methylstyrene)
1.
4. Sampling
1
This specification is under the jurisdiction of ASTM Committee D16 on
4.1 Sample the material in accordance with Practice D3437.
Aromatic, Industrial, Specialty and Related Chemicals and is the direct responsi-
bility of Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10Aromatic
5. Keywords
Hydrocarbons.
Current edition approved Nov. 1, 2021. P
...

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.
Designation: D6367 − 17 D6367 − 21
Standard Specification for
1
AMS (α-Methylstyrene)
This standard is issued under the fixed designation D6367; 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.
1. Scope Scope*
1.1 This specification covers AMS (α-Methylstyrene).
1.2 The following applies to all limits in this specification: for purposes of determining conformance with this specification, 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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 Consult current OSHA regulations, suppliers’ Safety Data Sheets, and local regulations for all materials used in this
specification.
1.5 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
2
2.1 ASTM Standards:
D3160 Test Method for Phenol Content of Cumene (Isopropylbenzene) or AMS (α–Methylstyrene)
D3437 Practice for Sampling and Handling Liquid Cyclic Products
D4590 Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (α–Methylstyrene) by
Spectrophotometry
D5386 Test Method for Color of Liquids Using Tristimulus Colorimetry
D6144 Test Method for Analysis of AMS (α-Methylstyrene) by Capillary Gas Chromatography
D7504 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective Carbon
Number
D7977 Test Methods for Polymer Content of AMS (α-Methylstyrene)
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)
1
This specification is under the jurisdiction of ASTM Committee D16 on Aromatic, Industrial, Specialty and Related Chemicals and is the direct responsibility of
Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic Hydrocarbons.
Current edition approved June 1, 2017Nov. 1, 2021. Published June 2017November 2021. Originally approved in 1999. Last previous edition approved in 20162017 as
D6367 – 16.D6367 – 17. DOI: 10.1520/D6367-17.10.1520/D6367-21.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For A
...

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