SIST EN 71-4:2021+A1:2025

SLOVENSKI STANDARD
01-julij-2025
Nadomešča:
SIST EN 71-4:2021
Varnost igrač - 4. del: Kompleti za kemijske poskuse in druge poskuse, pri katerih
se uporabljajo kemikalije (vključno z dopolnilom A1)
Safety of toys - Part 4: Experimental sets for chemistry and related activities
Sicherheit von Spielzeug - Teil 4: Experimentierkästen für chemische und ähnliche
Versuche
Sécurité des jouets - Partie 4 : Coffrets d'expériences chimiques et d'activités connexes
Ta slovenski standard je istoveten z: EN 71-4:2020+A1:2025
ICS:
97.200.50 Igrače Toys
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 71-4:2020+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2025
EUROPÄISCHE NORM
ICS 97.200.50 Supersedes EN 71-4:2020
English Version
Safety of toys - Part 4: Experimental sets for chemistry and
related activities
Sécurité des jouets - Partie 4 : Coffrets d'expériences Sicherheit von Spielzeug - Teil 4: Experimentierkästen
chimiques et d'activités connexes für chemische und ähnliche Versuche
This European Standard was approved by CEN on 11 October 2020 and includes Amendment 1 approved by CEN on 4 February
2025.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 71-4:2020+A1:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Chemical substances in experimental sets . 9
4.1 Chemistry sets . 9
4.1.1 Inclusion in the chemistry set. 9
4.1.2 Inclusion for experiments (as mentioned in the instructions but not supplied in the
chemistry set) . 10
4.1.3 Requirements for packaging in containers . 10
4.2 Crystal growing sets . 15
4.3 Carbon dioxide generating experimental sets . 17
5 Equipment . 19
5.1 General requirements . 19
5.2 Containers and glassware . 19
5.2.1 Test tubes . 19
5.2.2 Other glassware . 19
5.2.3 Containers for reagents, substances and mixtures . 20
5.2.4 Packaging and closures . 20
5.2.5 Empty containers . 21
5.2.6 Test method for borosilicate glass . 22
5.3 Equipment for the transfer of liquid . 23
5.4 Test tube stand and test tube holder . 23
5.5 Eye protection . 23
6 Marking . 23
6.1 General requirements . 23
6.2 Marking of individual containers, packaging and glassware . 23
6.3 Marking of the primary packaging . 24
6.3.1 The primary packaging shall bear the following warnings: . 24
6.3.2 Supplementary sets shall additionally be marked with the following warning on the
primary packaging . 24
7 Contents list with warnings and first aid information . 25
8 Instructions for use . 25
8.1 General instructions. 25
8.2 Advice for supervising adults . 26
8.3 Safety rules . 27
8.3.1 Chemistry sets . 27
8.3.2 Crystal growing sets . 27
8.3.3 Carbon dioxide generating experimental sets . 28
Annex A (informative) Rationale . 29
Annex B (informative) Environmental considerations . 31
Annex C (informative) Significant technical changes between this document and the
previous version . 32
Annex D (normative) Test methods for closures of containers . 33
Annex ZA (informative) !Relationship between this European Standard and the essential
requirements of Directive 2009/48/EC aimed to be covered . 34
Bibliography . 35

European foreword
This document (EN 71-4:2020+A1:2025) has been prepared by Technical Committee CEN/TC 52
“Safety of toys”, the secretariat of which is held by DS.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by October 2025, and conflicting national standards shall
be withdrawn at the latest by October 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document includes Amendment 1 approved by CEN on 4 February 2025.
This document supersedes !EN 71-4:2020".
The start and finish of text introduced or altered by amendment is indicated in the text by tags !".
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States
For the relationship with EU Legislation, see informative Annex ZA, which is an integral part of this
document.
The significant changes from the previous edition of this document are detailed in Annex C.
Additional information on the background and rationale for various requirements are given in Annex A.
This document constitutes the fourth part of the EN 71 series of standards on safety of toys.
EN 71, Safety of toys, consists of the following parts:
— Part 1: Mechanical and physical properties
— Part 2: Flammability
— Part 3: Migration of certain elements
— Part 4: Experimental sets for chemistry and related activities (the present document)
— Part 5: Chemical toys (sets) other than experimental sets
— Part 7: Finger paints — Requirements and test methods
— Part 8: Activity toys for domestic use
!Deleted text"
— Part 10: Organic chemical compounds — Sample preparation and extraction
— Part 11: Organic chemical compounds — Methods of analysis
— Part 12: N-Nitrosamines and N-nitrosatable substances
— Part 13: Olfactory board games, cosmetic kits and gustative games
— Part 14: Trampolines for domestic use
!— Part 15: Formamide in foam toy materials (content).
— Part 16: Certain chlorinated phosphorus flame retardants (TCEP, TCPP, TDCP) in toy materials.
— Part 17: Certain isothiazolinones (MIT, CIT, BIT) in aqueous toy materials.
— Part 18: Phenol in aqueous (content) and polymeric (migration) toy materials.
— Part 19: Migration of bisphenol A from toy materials. (under preparation).
— Part 20: Microbiological safety of toys containing accessible aqueous media. (under preparation)."
NOTE 1 In addition to the above parts of EN 71, the following deliverables have been published:
— CEN/TR 15071, Safety of toys — National translations of warnings and instructions for use in the EN 71
series,
— CEN/TR 15371 (all parts), Safety of toys — Interpretations,
— CEN/TR 16918, Safety of toys — Children's mouthing behaviour in contact with toys,
— CEN ISO/TR 8124-8, Safety of toys — Part 8: Age determination – First age grade for the appropriate
play of toys.
!— CEN/TS 17973: Safety of toys — Categorization of slime type materials, and
— CEN/TR 17695: Safety of toys — Mechanical and physical properties — Guidance on categorisation of
projectile toys within EN 71-1"
NOTE 2 Words in italics (apart from document titles) are defined in Clause 3 (Terms and definitions).
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Introduction
This document is intended to reduce the risks and health hazards to a child when experimental sets
involving chemical experiments are used as intended or in a foreseeable way, bearing in mind the
behaviour of children.
Duri
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