ASTM F1186-18

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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: F1186 − 03 (Reapproved 2013) F1186 − 18
Standard Classification System for
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Chemicals According to Functional Groups
This standard is issued under the fixed designation F1186; 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
1.1 This standard provides a classification system for chemical compounds whereby chemicals are assigned a 3-digitthree-digit
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code based primarily on chemical class. Poly-functional compounds should be classified by all applicable code numbers
associated with their component functional groups.
1.2 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. Significance and Use
2.1 In many situations where chemicals are interacting with other chemicals or materials, the interaction is strongly dependent
and often correlated with the functional group(s) present. These interactions include chemical reaction, dissolution, and
swelling/permeation of polymeric materials. For this reason, it is useful to have a standard means for classifying chemicals.
2.2 One application for this classification system is in the selection of chemical protective clothing based on the chemical
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resistance of the clothing materials. Chemical resistance data are available for only a very small fraction of the chemicals for
which protective clothing is used. However, for chemicals for which no data are available, a knowledge of the chemical class
sometimes can give insight into the resistance of a prospective clothing material.
NOTE 1—The present state of knowledge precludes reliable estimates from chemical class alone.
2.3 The classification system also facilitates the development of predictive methodology by researchers in a variety of fields,
in addition to protective clothing.
3. Terminology
3.1 Definitions:
3.1.1 functional group—the atom or group of atoms that defines the chemical class of a particular family of organic compounds
and, at the same time, determines their properties.
3. Terminology
3.1 Definitions:
3.1.1 functional group—the atom or group of atoms that defines the chemical class of a particular family of organic compounds
and, at the same time, determines their properties.
4. Basis of Classification
4.1 Three-digit numbers were assigned to each class. The major classes generally were a multiple of 10 (printed in bold type),
with subclasses numbered between.
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This classification system is under the jurisdiction of ASTM Committee F23 on Personal Protective Clothing and Equipment and is the direct responsibility of
Subcommittee F23.30 on Chemicals.
Current edition approved Feb. 1, 2013June 1, 2018. Published February 2013June 2018. Originally approved in 1988. Last previous edition approved in 20082013 as
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F1186 – 03(2008)F1186 – 03 (2013). . DOI: 10.1520/F1186-03R13.10.1520/F1186-18.
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Classification in this guide is based on assignment of 3-digitthree-digit codes, originally found in the Guidelines for the Selection of Chemical Protective Clothing, 3rd
Ed. (Vols I and II), Schwope et al. NTIS Accession Nos. ADA179 516 and ADA179 164, to the groups listed in the Functional Group Index, Kodak Laboratory Chemicals,
Kodak Laboratory Products Catalog No. 53, 1987–1988, ppp. 1f–30f.
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Chemical Protective Clothing Permeation and Degradation Database, K. Forsberg et al., Lewis Publisher, CRC Press Inc., 2000 Corporate Blvd., N.W., Boca Raton,
FL 33431-9964.
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Guidelines for the Selection of Chemical Protective Clothing, Johnson et al., U.S. Dept. of Energy Report DE-02357T, 1991.
th
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Quick Selection Guide to Chemical Protective Clothing, 55th ed., Forsberg and Mansdorf, John Wiley and Sons, Inc., Hoboken, NJ (2007)NJ, 2007, ISBN
978-0-470-14681-1.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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F1186 − 18
4.2 Subcommittee F23.30 has jurisdiction for designating new classes. Proposals should be made to that group. The list will be
updated periodically through the ASTM balloting process as needed; interim lists will be mad
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