ISO/TR 16178:2021

Footwear — Critical substances potentially present in footwear and footwear components — Lists of critical chemical substances

This document defines lists of critical chemical substances potentially present in footwear and footwear components. This document describes the critical chemical substances, their potential risks of nocuousness, in which materials they could be found, and which test method(s) can be used to quantify them. The test methods listed indicate the state of the art. For some substances, a test method is not available. This document is applicable to any kind of footwear and footwear components.

Chaussures — Substances critiques potentiellement présentes dans la chaussure et les composants de chaussures — Listes des substances chimiques critiques

Le présent document définit des listes de substances chimiques critiques potentiellement présentes dans les chaussures et les composants de chaussures. Le présent document décrit les substances chimiques critiques, leurs risques potentiels de nocivité, les matériaux dans lesquels on peut les trouver, ainsi que la ou les méthodes d'essai permettant de les quantifier. Les méthodes d'essai énumérées reflètent l'état de la technique. Pour certaines substances, il n'existe pas de méthode d'essai. Le présent document s'applique à tout type de chaussure et de composant de chaussure.

General Information

• Status: Published
• Publication Date: 21-Sep-2021
• ICS: 61.060 - Footwear
• Technical Committee: ISO/TC 216 - Footwear
• Drafting Committee: ISO/TC 216/WG 2 - Footwear and environmental aspects
• Current Stage: 6060 - International Standard published
• Start Date: 22-Sep-2021
• Completion Date: 22-Sep-2021

Relations

• Revises: ISO/TR 16178:2012 - Footwear — Critical substances potentially present in footwear and footwear components
• Effective Date: 05-Nov-2015

Standards Content (Sample)

TECHNICAL ISO/TR
REPORT 16178
Third edition
2021-09
Footwear — Critical substances
potentially present in footwear and
footwear components — Lists of
critical chemical substances
Chaussures — Substances critiques potentiellement présentes dans la
chaussure et les composants de chaussures — Listes des substances
chimiques critiques
Reference number
ISO/TR 16178:2021(E)
©
ISO 2021

---------------------- Page: 1 ----------------------
ISO/TR 16178:2021(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/TR 16178:2021(E)

Contents Page
Foreword .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Presence of chemicals in footwear materials . 2
5 Critical substances potentially present in footwear and footwear components .8
5.1 Acrylonitrile . 8
5.1.1 General. 8
5.1.2 Potential risks . 8
5.1.3 Test methods . 8
5.2 Alkylphenols and Alkylphenol ethoxylates (NP, OP, NPEO, OPEO) . 8
5.2.1 General. 8
5.2.2 Potential risks . 9
5.2.3 Test methods . 9
5.3 Aromatic amines .10
5.3.1 General.10
5.3.2 Potential risks .11
5.3.3 Test methods .11
5.4 Benzene .11
5.4.1 General.11
5.4.2 Potential risks .11
5.4.3 Test methods .11
5.5 Biocides .12
5.5.1 Orthophenylphenol .12
5.5.2 2-(thiocyanatomethylthio)-1,3-benzothiazole (TCMTB) .12
5.5.3 2-octylisothiazol-3(2H)-one (OIT) .13
5.5.4 4-Chloro-3-methylphenol (CMK) .13
5.5.5 Triclosan.14
5.6 Bisphenol .15
5.6.1 General.15
5.6.2 Potential risks .15
5.6.3 Test methods .15
5.7 Cadmium – Cd .15
5.8 Chlorinated paraffins .15
5.8.1 General.15
5.8.2 Potential risks .16
5.8.3 Test methods .16
5.9 Chlorobenzenes and chlorotoluenes .16
5.9.1 General.16
5.9.2 Potential risks .17
5.9.3 Test methods .17
5.10 Chromium and Chromium VI .17
5.11 Colophony .18
5.11.1 General.18
5.11.2 Potential risks .18
5.11.3 Test methods .18
5.12 Dimethylformamide .18
5.12.1 General.18
5.12.2 Potential risks .19
5.12.3 Test methods .19
5.13 Dimethylfumarate (DMFu) .19
5.13.1 General.19
5.13.2 Potential risks .19
© ISO 2021 – All rights reserved iii

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ISO/TR 16178:2021(E)

5.13.3 Test methods .20
5.14 Disperses dyes .20
5.14.1 General.20
5.14.2 Potential risks .21
5.14.3 Test methods .21
5.15 Flame retardants .21
5.15.1 General.21
5.15.2 Potential risks .22
5.15.3 Test methods .22
5.16 Formaldehyde .22
5.16.1 General.22
5.16.2 Potential risks .22
5.16.3 Test methods .23
5.17 Heavy metals .23
5.17.1 General.23
5.17.2 List of heavy metals .23
5.17.3 Potential risks .23
5.17.4 Test methods .25
5.17.5 Special cases .25
5.18 Mercaptobenzothiazole .26
5.18.1 General.26
5.18.2 Potential risks .27
5.18.3 Test methods .27
5.19 N-ethylphenylamine .27
5.19.1 General.27
5.19.2 Potential risks .27
5.19.3 Test methods .27
5.20 N methyl-2-pyrrolidone (NMP) .27
5.20.1 General.27
5.20.2 Potential risks .28
5.20.3 Test methods .28
5.21 N,N-dimethylacetamide .28
5.21.1 General.28
5.21.2 Potential risks .28
5.21.3 Test methods .28
5.22 Nickel – Ni .28
5.23 Nitrosamines.28
5.23.1 General.28
5.23.2 Potential risks .29
5.23.3 Test methods .29
5.24 Organotins compounds .29
5.24.1 General.29
5.24.2 Potential risks .30
5.24.3 Test methods .30
5.25 PAHs (Polycyclic aromatic hydrocarbons) .31
5.25.1 General.31
5.25.2 Potential risks .31
5.25.3 Test methods .32
5.26 Paraphenylene diamine .32
5.26.1 General.32
5.26.2 Potential risks .32
5.26.3 Test methods .32
5.27 Pesticides .32
5.27.1 General.32
5.27.2 Potential risks .32
5.27.3 Test methods .33
5.28 Perfluorinated and polyfluorinated chemicals-PFC .33
5.28.1 Different substances .33
iv © ISO 2021 – All rights reserved

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ISO/TR 16178:2021(E)

5.28.2 Potential risks .36
5.29 pH .36
5.29.1 General.36
5.29.2 Potential risks .37
5.29.3 Test methods .37
5.30 Phenol .37
5.30.1 General.37
5.30.2 Potential risks .37
5.30.3 Test methods .37
5.31 Phenyl mercury .37
5.31.1 General.37
5.31.2 Potential risks .38
5.31.3 Test methods .38
5.32 Phthalates .38
5.32.1 General.38
5.32.2 Potential risks .40
5.32.3 Test methods .40
5.33 Polychlorophenols .40
5.33.1 General.40
5.33.2 Potential risks .42
5.33.3 Test methods .42
5.34 Paratertiary butyl phenol formaldehyde (PTBF) .42
5.34.1 General.42
5.34.2 Potential risks .42
5.34.3 Test methods .42
5.35 Quinoline .42
5.35.1 General.42
5.35.2 Potential risks .43
5.35.3 Test methods .43
5.36 Thiuram and thiocarbamate.43
5.36.1 General.43
5.36.2 Potential risks .43
5.36.3 Test methods .43
5.37 Volatile organic compounds (VOC) .44
5.37.1 General.44
5.37.2 Potential risks .44
5.37.3 Test methods .44
Bibliography .46
© ISO 2021 – All rights reserved v

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ISO/TR 16178:20
...

TECHNICAL ISO/TR
REPORT 16178
Third edition
Footwear — Critical substances
potentially present in footwear and
footwear components — Lists of
critical chemical substances
Chaussures — Substances critiques potentiellement présentes dans la
chaussure et les composants de chaussures — Listes des substances
chimiques critiques
PROOF/ÉPREUVE
Reference number
ISO/TR 16178:2021(E)
©
ISO 2021

---------------------- Page: 1 ----------------------
ISO/TR 16178:2021(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii PROOF/ÉPREUVE © ISO 2021 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/TR 16178:2021(E)

Contents Page
Foreword .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Presence of chemicals in footwear materials . 2
5 Critical substances potentially present in footwear and footwear components .8
5.1 Acrylonitrile . 8
5.1.1 General. 8
5.1.2 Potential risks . 8
5.1.3 Test methods . 8
5.2 Alkylphenols and Alkylphenol ethoxylates (NP, OP, NPEO, OPEO) . 8
5.2.1 General. 8
5.2.2 Potential risks . 9
5.2.3 Test methods . 9
5.3 Aromatic amines .10
5.3.1 General.10
5.3.2 Potential risks .11
5.3.3 Test methods .11
5.4 Benzene .11
5.4.1 General.11
5.4.2 Potential risks .11
5.4.3 Test methods .11
5.5 Biocides .12
5.5.1 Orthophenylphenol .12
5.5.2 2-(thiocyanatomethylthio)-1,3-benzothiazole (TCMTB) .12
5.5.3 2-octylisothiazol-3(2H)-one (OIT) .13
5.5.4 4-Chloro-3-methylphenol (CMK) .13
5.5.5 Triclosan.14
5.6 Bisphenol .15
5.6.1 General.15
5.6.2 Potential risks .15
5.6.3 Test methods .15
5.7 Cadmium – Cd .15
5.8 Chlorinated paraffins .15
5.8.1 General.15
5.8.2 Potential risks .16
5.8.3 Test methods .16
5.9 Chlorobenzenes and chlorotoluenes .16
5.9.1 General.16
5.9.2 Potential risks .17
5.9.3 Test methods .17
5.10 Chromium and Chromium VI .17
5.11 Colophony .18
5.11.1 General.18
5.11.2 Potential risks .18
5.11.3 Test methods .18
5.12 Dimethylformamide .18
5.12.1 General.18
5.12.2 Potential risks .19
5.12.3 Test methods .19
5.13 Dimethylfumarate (DMFU) .19
5.13.1 General.19
5.13.2 Potential risks .19
© ISO 2021 – All rights reserved PROOF/ÉPREUVE iii

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ISO/TR 16178:2021(E)

5.13.3 Test methods .20
5.14 Disperses dyes .20
5.14.1 General.20
5.14.2 Potential risks .21
5.14.3 Test methods .21
5.15 Flame retardants .21
5.15.1 General.21
5.15.2 Potential risks .22
5.15.3 Test methods .22
5.16 Formaldehyde .22
5.16.1 General.22
5.16.2 Potential risks .22
5.16.3 Test methods .23
5.17 Heavy metals .23
5.17.1 General.23
5.17.2 List of heavy metals .23
5.17.3 Potential risks .23
5.17.4 Test methods .25
5.17.5 Special cases .25
5.18 Mercaptobenzothiazole .26
5.18.1 General.26
5.18.2 Potential risks .26
5.18.3 Test methods .27
5.19 N-ethylphenylamine .27
5.19.1 General.27
5.19.2 Potential risks .27
5.19.3 Test methods .27
5.20 N methyl-2-pyrrolidone (NMP) .27
5.20.1 General.27
5.20.2 Potential risks .27
5.20.3 Test methods .28
5.21 N,N-dimethylacetamide .28
5.21.1 General.28
5.21.2 Potential risks .28
5.21.3 Test methods .28
5.22 Nickel – Ni .28
5.23 Nitrosamines.28
5.23.1 General.28
5.23.2 Potential risks .29
5.23.3 Test methods .29
5.24 Organotins compounds .29
5.24.1 General.29
5.24.2 Potential risks .30
5.24.3 Test methods .30
5.25 PAHs (Polycyclic aromatic hydrocarbons) .30
5.25.1 General.30
5.25.2 Potential risks .31
5.25.3 Test methods .31
5.26 Paraphenylene diamine .31
5.26.1 General.31
5.26.2 Potential risks .32
5.26.3 Test methods .32
5.27 Pesticides .32
5.27.1 General.32
5.27.2 Potential risks .32
5.27.3 Test methods .33
5.28 Perfluorinated and polyfluorinated chemicals-PFC .33
5.28.1 Different substances .33
iv PROOF/ÉPREUVE © ISO 2021 – All rights reserved

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ISO/TR 16178:2021(E)

5.28.2 Potential risks .36
5.29 pH .36
5.29.1 General.36
5.29.2 Potential risks .36
5.29.3 Test methods .36
5.30 Phenol .36
5.30.1 General.36
5.30.2 Potential risks .37
5.30.3 Test methods .37
5.31 Phenyl mercury .37
5.31.1 General.37
5.31.2 Potential risks .37
5.31.3 Test methods .38
5.32 Phthalates .38
5.32.1 General.38
5.32.2 Potential risks .39
5.32.3 Test methods .39
5.33 Polychlorophenols .40
5.33.1 General.40
5.33.2 Potential risks .41
5.33.3 Test methods .41
5.34 Paratertiary butyl phenol formaldehyde (PTBF) .41
5.34.1 General.41
5.34.2 Potential risks .41
5.34.3 Test methods .42
5.35 Quinoline .42
5.35.1 General.42
5.35.2 Potential risks .42
5.35.3 Test methods .42
5.36 Thiuram and thiocarbamate.42
5.36.1 General.42
5.36.2 Potential risks .43
5.36.3 Test methods .43
5.37 Volatile organic compounds (VOC) .43
5.37.1 General.43
5.37.2 Potential risks .43
5.37.3 Test methods .43
Bibliography .45
© ISO 2021 – All rights reserved PROOF/ÉPREUVE v

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