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The EU REACH High Concern Substances SVHC List may add 2 new substances (Bumetriazole and Oxytriazole)



The EU REACH High Concern Substances SVHC List may add 2 new substances (Bumetriazole and Oxytriazole)

Recently, the European Chemicals Administration (ECHA) proposed a new batch of Substances of High Concern (SVHC), which are expected to be officially classified as SVHC by the end of this year at the earliest.

Including two chemical substances:

No. Substance name EC No. CAS No.

Proposed country

Reason for inclusion Common uses





Germany High persistence, high bioaccumulation (vPvB) Used for coating products, adhesives/sealants, washing and cleaning products.

2-(2H-benzotriazo1-2-y1)-4(1,1,3,3-tetramethylbutyl)pheno 1

221-573-5 3147-75-9 Germany High persistence, high bioaccumulation (vPvB) Used for air care products, coating products, adhesives/sealants, lubricants/greases, polishes/waxes, and washing and cleaning products.

Substances of very high concern identification (SVHC) specifically refers to a class of substances that may cause serious harm to human health and the environment, and their effects are generally irreversible. If a substance is identified as SVHC, it is included in the candidate list of authorized substances.


Why is it included in SVHC?

Bumetriazole and Oxytriazole are widely used in industries such as plastics, rubber, coatings, and adhesives as ultraviolet absorbers or light stabilizers to prevent product aging under prolonged ultraviolet exposure and extend product lifespan. Bumetriazole is also commonly used in daily cosmetics such as sunscreen, perfume, etc. In addition to protecting the skin from ultraviolet radiation, it can also improve the texture and beauty of cosmetics.

Although it is safe to use these two substances under certain restrictions, long-term or massive exposure may cause health and environmental hazard. According to the classification information provided by the European Chemical Administration (ECHA), both bumetriazole and oxotriazole are harmful to aquatic organisms and have long-term and long-lasting effects. For example, oxtriazole can cause irritation to the eyes and skin, which may cause respiratory irritation.

It can be seen that in addition to the risk of harm in industrial settings, long-term exposure to these two chemicals can also harm the health of the consumer population; Improper discharge of chemicals after the end of the product's lifecycle can also cause harm to the aquatic environment.

According to the chemical hazard assessment, octotriazole and bumetriazole were listed as substances with persistence, bioaccumulation, and toxicity (PBT) in 2018 and 2021, respectively. In March of this year, Germany proposed to classify these two substances as SVHC due to their high persistence, high bioaccumulation (vPvB).

Once included, enterprises need to focus on:

Although Bumetriazole and Oxytriazole are still in the proposal stage, once the substance is classified as SVHC, it will have a significant impact on companies exporting related products to Europe.
According to the EU REACH regulation, if the content of SVHC in a product exceeds 0.1%, the situation must be explained to the downstream of the supply chain:

  • If the SVHC content in the substance or formulation exceeds 0.1%, SDS that complies with the EU REACH regulations must be transmitted downstream;
  • If the content of SVHC in the article exceeds 0.1%, safety instructions must be transmitted downstream, including at least the name of the SVHC. Consumers can also make similar requests, and suppliers should provide relevant information free of charge within 45 days;
  • When the SVHC content in the article exceeds 0.1% and the export exceeds 1 ton/year, the EU manufacturer, importer, or sole representative must also submit an SVHC notification to ECHA.
  • If it is a newly added SVHC substance, the reporting obligation must be completed within 6 months after the substance is added to the SVHC list.
  • In addition, starting from January 5, 2021, according to the Waste Framework Directive (WFD), products exported to Europe containing SVHC substances with a content exceeding 0.1% must complete a SCIP notification (Substances of Concern In articles as such or in complex objects (Products)) before they can be put on the market.

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