AS NZS 8124.4:2020 pdf free.Safety of toys Part 4: Experimental sets for chemistry and related activities.
The quality of the chemicals used should be appropriate for the experiments described. In particular, the chemicals should not contain impurities or substances that allow undefined or dangerous reactions to occur.
Apart from its presence in tincture of iodine, denatured alcohol (ethanol) shall not be supplied in a chemistry set. However, where experiments contained in the instructions of a chemistry set require it, the use of denatured alcohol may be suggested in the instructions.
The use of reagents listed in Table 3 may be suggested in the instructions at concentrations not exceeding those specified in this table. The substances specified in Table 3 shall not be supplied in a chemistry set.
The instructions for use may suggest the use of other substances that are not classified as dangerous substances[11 (e.g. sucrose or table sugar) or mixtures that are not classified as dangerous mixturesl1]. Other dangerous substances shall not be supplied with the set.
The substances and mixtures in a chemistry set or in a supplementary set of a chemistry set shall be supplied in containers which are provided with closures (see 5.2.4.1).
NOTE 1 Samples of rocks, stones and minerals on which to perform experiments in order to distinguish their composition are sometimes supplied with the set.
Only the chemical substances given in Table 5 may be supplied in carbon-dioxide-generating experimental sets whose function relies on the generation of carbon dioxide. The amounts supplied in a single set shall not exceed those specified in Table 5. If mixtures of these substances are supplied in solid form, the single mixture shall consist of stoichiometric equivalent amounts of acidic and carbon- dioxide-generating substances.
The quality of the chemicals used in carbon-dioxide-generating experimental sets should be appropriate for the experiments described; in particular, the chemicals should not contain impurities or substances which allow undefined or dangerous reactions to occur.
The substances in a carbon-dioxide-generating experimental set shall be supplied in child-resistant packaging (see 5.2.4.3).
Carbon-dioxide-generating experimental sets may contain gypsum or colourants. For gypsum, applicable requirements are specified in ISO 8124-11 (e.g. labelling). Only colourants and colouring materials which do not fulfil the criteria of any of the following hazard classes shall be supplied in carbon-dioxide-generating experimental sets. Colourants that are permitted for use in food or cosmetics may be provided.AS NZS 8124.4 pdf download.