A substance of very high concern (SVHC) is a chemical substance (or part of a group of chemical substances) which has been proposed as a candidate for inclusion on the Authorization or Restriction list (see: ECHA Lists) of REACH. [1] The addition of a substance to the SVHC Candidate List [2] by the European Chemicals Agency (ECHA) is the first step in the procedure for the authorisation or restriction of a chemical. [3] It is expected that industries operating in EU member states abide by the regulations of REACH and submit chemicals for consideration when appropriate. [4]
The first list of SVHCs was published on 28 October 2008 with the list being updated biannually since then. The most recent update occurred in January 2024, bringing the size to 240 SVHCs. [5]
The criteria are given in article 57 of the REACH Regulation. [6] [7] A substance may be proposed as an SVHC if it meets one or more of the following criteria:
The "equivalent concern" criterion is significant because it is this classification which allows substances which are, for example, neurotoxic, endocrine-disrupting or otherwise present an unanticipated environmental health risk to be regulated under REACH. [9]
Simply because a substance meets one or more of the criteria does not necessarily mean that it will be proposed as an SVHC. Many such substances are already subject to restrictions on their use within the European Union, such as those in Annex XVII of the REACH Regulation. [10] SVHCs are substances for which the current restrictions on use (where these exist) might be insufficient. There are three priority groups for assessment: [11]
Proposals for inclusion of a substance on the list of SVHCs can come either from the European Commission or one of the Member States of the European Union. The proposals are made public by the European Chemicals Agency (ECHA) and are open for public comment for 60–90 days. If the substance is deemed to meet one or more of the criteria, it is then listed as an SVHC. [12]
Once a substance has been listed as an SVHC, the Agency commissions a technical report from one or more national or private laboratories, which analyses the available information on manufacture, imports, uses and releases of the substance, as well as possible alternatives. On the basis of this technical report, the Agency decides whether to prioritise the substance, in effect, whether to make a recommendation to the European Commission to add the substance to Annex XIV of the REACH Regulation, making its use subject to authorisation. The draft recommendations must be made public and opened for comment for three months before the final recommendations are sent to the commission. [13] The first draft recommendations were published on 14 January 2009, and new draft recommendations must be issued at least once every two years.
The list of SVHCs is primarily a public list of substances for which the European Chemicals Agency is considering imposing a requirement for authorisation for some or all uses. However, there are some direct consequences of including a substance on the list of SVHCs. Suppliers of pure SVHCs must provide their customers with a safety data sheet (SDS). [14] Suppliers of mixtures of substances which contain more than 0.1% by weight of any SVHC must provide their customers with a safety data sheet on request. [15] Manufacturers or importers of articles containing more than 0.1% by weight of any SVHC must provide their customers, and consumers on request, with adequate information on the safe use and disposal of the article, including the name of the SVHC(s) concerned. [16] From 1 June 2011, manufacturers and importers of articles also have to notify the European Chemicals Agency of the quantities of SVHCs used in their articles. [16]
In addition to the obviously involved chemical industry, there are many more industries affected by this regulation: drapery and leather industry, plastic processing, cosmetic industry, food industry, petroleum processing, printing industry, sports equipment industry, toys industry, recycling industry, electrical engineering industry, fine mechanics industry, optics industry, engine and plant production industry. [17]
This list is referred to as the "candidate" list because all substances placed on it are candidates for inclusion in Annex XIV of REACH. If a substance is added to Annex XIV, it is given a "latest application date" and a "sunset date". The sunset date is the date after which the substance cannot be used or imported into the EU without authorisation from the ECHA, and the latest application date is the date by which any applications for use must be submitted to the ECHA. [18]
This table includes the Candidate list updates as of January 2024; find the complete list in references. [19] [18]
Substance name/identifier | EC number | CAS number | Date of inclusion | Reason for inclusion | Status |
---|---|---|---|---|---|
2,4,6-tri-tert-butylphenol (2,4,6-TTBP) | 732-26-3 | 23 January 2024 | Toxic for reproduction Persistent, bioaccumulative and toxic | New addition | |
2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (Octrizole) | 3147-75-9 | 23 January 2024 | Very persistent and very bioaccumulative | New addition | |
2-(dimethylamino)-2-((4-methylphenyl)methyl)-1-(4-(morpholin-4-yl)phenyl)butan-1-one | 119344-86-4 | 23 January 2024 | Toxic for reproduction | New addition | |
Bumetrizole | 3896-11-5 | 23 January 2024 | Very persistent and very bioaccumulative | New Addition | |
Dibutyl phthalate (DBP) | 84-74-2 | 23 January 2024 | Endocrine disrupting properties | Updated Entry | |
Oligomerisation and alkylation reaction products of 2-phenylpropene and phenol | - | 23 January 2024 | Very persistent and very bioaccumulative | New Addition |
A safety data sheet (SDS), material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products. SDSs are a widely used type of fact sheet used to catalogue information on chemical species including chemical compounds and chemical mixtures. SDS information may include instructions for the safe use and potential hazards associated with a particular material or product, along with spill-handling procedures. The older MSDS formats could vary from source to source within a country depending on national requirements; however, the newer SDS format is internationally standardized.
Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) is a European Union regulation dating from 18 December 2006. REACH addresses the production and use of chemical substances, and their potential impacts on both human health and the environment. Its 849 pages took seven years to pass, and it has been described as the most complex legislation in the Union's history and the most important in 20 years. It is the strictest law to date regulating chemical substances and will affect industries throughout the world. REACH entered into force on 1 June 2007, with a phased implementation over the next decade. The regulation also established the European Chemicals Agency, which manages the technical, scientific and administrative aspects of REACH.
The European Chemicals Agency is an agency of the European Union working for the safe use of chemicals. It manages the technical and administrative aspects of the implementation of the European Union regulation called Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH). ECHA is the driving force among regulatory authorities in implementing the EU's chemicals legislation. ECHA has to ascertain that companies comply with the legislation, advances the safe use of chemicals, provides information on chemicals and addresses chemicals of concern. It is located in Helsinki, Finland. ECHA is an independent and mature regulatory agency established by REACH. It is not a subsidiary entity of the European Commission.
Triton X-100 is a nonionic surfactant that has a hydrophilic polyethylene oxide chain and an aromatic hydrocarbon lipophilic or hydrophobic group. The hydrocarbon group is a 4-(1,1,3,3-tetramethylbutyl)-phenyl group. Triton X-100 is closely related to IGEPAL CA-630, which might differ from it mainly in having slightly shorter ethylene oxide chains. As a result, Triton X-100 is slightly more hydrophilic than Igepal CA-630 thus these two detergents may not be considered functionally interchangeable for most applications.
Fluoranthene is a polycyclic aromatic hydrocarbon (PAH). The molecule can be viewed as the fusion of naphthalene and benzene unit connected by a five-membered ring. Although samples are often pale yellow, the compound is colorless. It is soluble in nonpolar organic solvents. It is a member of the class of PAHs known as non-alternant PAHs because it has rings other than those with six carbon atoms. It is a structural isomer of the alternant PAH pyrene. It is not as thermodynamically stable as pyrene. Its name is derived from its fluorescence under UV light.
Decamethylcyclopentasiloxane, also known as D5 and D5, is an organosilicon compound with the formula [(CH3)2SiO]5. It is a colorless and odorless liquid that is slightly volatile.
Hexabromocyclododecane is a brominated flame retardant. It consists of twelve carbon, eighteen hydrogen, and six bromine atoms tied to the ring. Its primary application is in extruded (XPS) and expanded (EPS) polystyrene foam used as thermal insulation in construction. Other uses are upholstered furniture, automobile interior textiles, car cushions and insulation blocks in trucks, packaging material, video cassette recorder housing, and electric and electronic equipment. According to UNEP, "HBCD is produced in China, Europe, Japan, and the USA. The known current annual production is approximately 28,000 tonnes per year. The main share of the market volume is used in Europe and China". Due to its persistence, toxicity, and ecotoxicity, the Stockholm Convention on Persistent Organic Pollutants decided in May 2013 to list hexabromocyclododecane in Annex A to the convention with specific exemptions for production and use in expanded polystyrene and extruded polystyrene in buildings. Because HBCD has 16 possible stereo-isomers with different biological activities, the substance poses a difficult problem for manufacture and regulation.
Chlorinated paraffins (CPs) are complex mixtures of polychlorinated n-alkanes. The chlorination degree of CPs can vary between 30 and 70 wt%. CPs are subdivided according to their carbon chain length into short-chain CPs, medium-chain CPs and long-chain CPs. Depending on chain length and chlorine content, CPs are colorless or yellowish liquids or solids.
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The CLP Regulation is a European Union regulation from 2008, which aligns the European Union system of classification, labelling and packaging of chemical substances and mixtures to the Globally Harmonised System (GHS). It is expected to facilitate global trade and the harmonised communication of hazard information of chemicals and to promote regulatory efficiency. It complements the 2006 Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) Regulation and replaces an older system contained in the Dangerous Substances Directive (67/548/EEC) and the Dangerous Preparations Directive (1999/45/EC).
Perfluorobutanesulfonic acid (PFBS) is a PFAS chemical compound having a four-carbon fluorocarbon chain and a sulfonic acid functional group. It is stable and unreactive because of the strength of carbon–fluorine bonds. It can occur in the form of a colorless liquid or a corrosive solid. Its conjugate base is perfluorobutanesulfonate which functions as the hydrophobe in fluorosurfactants.
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