ASTM D7993-15
(Guide)Standard Guide for Analyzing Complex Phthalates
Standard Guide for Analyzing Complex Phthalates
SIGNIFICANCE AND USE
5.1 The regulatory candidate list classifies substances by CAS number. Complex branched phthalates, such as DINP or DIDP, manufactured with a defined alcohol distribution and registered by CAS number with a chemical description of the composition, shall be considered a single substance with that composition as described.
5.2 It is possible for the alcohols used in the manufacture of complex branched phthalates to vary in isomer composition. Care must be used to ensure a representative standard is used to the quantitation of the level of a complex branched phthalate.
5.3 This guide is intended to provide a method on how to interpret and determine data from an analysis involving complex branched phthalates with defined CAS numbers. The test procedure employed shall be used to provide speciation information to assist use of the schematic flow diagram.
Note 3: A discussion on analytical challenges in complex branched phthalate analysis is found in: “Analytical Challenges in Detecting Regulated Phthalates in Flexible PVC Products,” SPI Flexible Vinyl Products Division, 23rd Annual Compounding Conference, July 17, 2012.
SCOPE
1.1 This guide is established in response to regulatory requirements for the determination of complex branched phthalates by CAS numbers. This guide is intended to provide information on how to interpret and analyze data from a chromatographic analysis involving complex phthalates with defined CAS numbers.
1.2 This guide provides a logical approach to determine levels of complex branched phthalates meeting regulatory and CAS number requirements.
1.3 The specific complex phthalates covered within this guide are DINP and DIDP.
1.4 Limitations—This guide does not recommend any specific test method. In some cases, it is necessary to deduce the quantity of substance present through the analysis and quantification of its components. Although this approach is routinely used some degree of uncertainty exists in the final result due to the reduced accuracy of the method.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: D7993 − 15
Standard Guide for
1
Analyzing Complex Phthalates
This standard is issued under the fixed designation D7993; 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 D7083 Practice for Determination of Monomeric Plasticiz-
ers in Poly (Vinyl Chloride) (PVC) by Gas Chromatogra-
1.1 This guide is established in response to regulatory
phy
requirementsforthedeterminationofcomplexbranchedphtha-
D7823 Test Method for Determination of Low Level, Regu-
lates by CAS numbers. This guide is intended to provide
lated Phthalates in Poly (Vinyl Chloride) Plastics by
information on how to interpret and analyze data from a
Thermal Desorption—Gas Chromatography/Mass Spec-
chromatographic analysis involving complex phthalates with
trometry
defined CAS numbers.
E355 Practice for Gas Chromatography Terms and Relation-
1.2 This guide provides a logical approach to determine
ships
levels of complex branched phthalates meeting regulatory and
E594 Practice for Testing Flame Ionization Detectors Used
CAS number requirements.
in Gas or Supercritical Fluid Chromatography
IEEE/ASTM SI-10 Practice for Use of the International
1.3 The specific complex phthalates covered within this
guide are DINP and DIDP. System of Units (SI), the Modernized Metric System
2.2 Spectral Library:
1.4 Limitations—This guide does not recommend any spe-
NIST/EPA/NIH Mass Spectral Library
cific test method. In some cases, it is necessary to deduce the
2.3 SPI Association Publication:
quantity of substance present through the analysis and quanti-
“Analytical Challenges in Detecting regulated Phthalates in
fication of its components.Although this approach is routinely
Flexible PVC products” SPI Flexible Vinyl Products
used some degree of uncertainty exists in the final result due to
Division 23rdAnnual Compounding Conference, July 17,
the reduced accuracy of the method.
2012
1.5 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
3. Terminology
standard.
3.1 Definitions—For definition of plastic terms used in this
1.6 This standard does not purport to address all of the
test method, see Terminologies D883 and D1600.
safety concerns, if any, associated with its use. It is the
3.2 For units, symbols, and abbreviations used in this test
responsibility of the user of this standard to establish appro-
method refer to Practices E355, E594,or IEEE/ASTM SI-10.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. 3.3 Acronyms:
3.3.1 CAS—Chemical Abstract Services
2. Referenced Documents
3.4 Compounds and Instrumentation:
2
2.1 ASTM Standards:
3.4.1 (DINP) 1,2-Benzenedicarboxylicacid, di-C -
8-10
D883 Terminology Relating to Plastics
branched alkyl esters, C -rich CAS #68515-48-0
9
D1600 Terminology forAbbreviatedTerms Relating to Plas-
3.4.2 (DINP) 1,2-Benzenedicarboxylicacid, 1,2-diisononyl
tics
CAS #28553-12-0
D3465 Test Method for Purity of Monomeric Plasticizers by
3.4.3 (DIDP) 1,2-Benzenedicarboxylicacid, di-C -
9-11
Gas Chromatography
branched alkyl esters, C -rich CAS #68515-49-1
10
3.4.4 (DIDP) 1,2-Benzenedicarboxylicacid, 1,2-diisodecyl
CAS #26761-40-0
1
This guide is under the jurisdiction of ASTM Committee D20 on Plastics and
3.4.5 GC Gas Chromatography
is the direct responsibility of Subcommittee D20.70 on Analytical Methods.
3.4.6 GC-MS Gas Chromatography-Mass Spectrometry
Current edition approved April 1, 2015. Published April 2015. DOI: 10.1520/
D7993-15
3.4.7 LC-MS Liquid Chromatography-Mass Spectrometry
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3.4.8 PVC Poly(Vinyl Chloride)
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3.4.9 Complex branched phthalates are phthalate diesters/
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. coesters based on alcohols with a variety of branched isomers.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D7993 − 15
NOTE1—DINPandDIDP,usedinvariousPVCorformulationsinother
5.3 This guide is intended to provide a method on how to
matrix are technical mixtures. When preparing the phthalate calibration
interpret and determine data from an analysis involving com-
standard, technical grade material shall be used. Specific information on
plex branched phthalates with defined CAS numbers. The test
examplesoftechnicalgradeDINPandDIDPcanbelocatedontheinternet
proce
...
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