TMA and DCHP have been identified as EU- REACH-SVHC
SERVICE INTRODUCTION
With the improvement of living standards, people are having higher standards on fashion goods, such as footwear, bags & luggage and paying more attention on the health and environments besides on their comfort and style. Complying with this trend, countries or regions all over the world successively launch environmental protection laws and regulations, which have strict control on toxic and hazardous chemicals in the raw materials and its products, such as the USA CPSIA , California 65 Act, EU Reach Rule , Ecolabel Footwear 2009/563/EC , and National Children’s Footwear Safety and Technical Regulations GB30585, Restrictions of Hazardous Materials in Leather and Fur , GB20400, and Restrictions of Hazardous Materials in PVC Artificial Leather, GB21550 etc.
Two implementing decisions (EU)2018/594 and (EU) 2018/636, published on the Official Journal of the European Union (OJ) in April, 2018, have identified Benzene-1,2,4-tricarboxylic acid 1,2anhydride (trimellitic anhydride) (TMA) and Dicyclohexyl phthalate(DCHP) as substance of very high concern (SVHC) of REACH Regulation((EC) No 1907/2006).
TMA has been identified as aSVHC because it fulfils the criterion set out in Article 57(f) of REACH due tothe respiratory sensitising properties. And, Dicyclohexyl phthalate (DCHP) is identified in accordance with Article 57(c) of REACH due to its classificationas toxic for reproduction category 1B under Regulation (EC) No 1272/2008, and in accordance with Article 57(f) of REACH, due to its endocrine disrupting properties with probable serious effects to human health.
In fact, TMA and DCHP havebeen launched a public consultation on adding to SVHC list in September 2016and February 2016 respectively. But because the Member State Committee (MSC) has not reached an agreement, these two substances have not been added to the 16th batch and 15th batch SVHC successfully. Subsequently, ECHA submitted MSC opinionto the European commission, and the commission confirmed that they should belisted as SVHC finally.
The details of two substances:
| Substances | EC No. | CAS No. | Application | Toxicology Property | Structure |
| TMA (Benzene-1,2,4-tricarboxylic acid 1,2 anhydride) (trimellitic anhydride) | 209-008-0 | 552-30-7 | Used in the synthesis of plasticisers for PVC resins, and smaller amounts are used as a reactant in wire and cable insulation enamels and polyester resins for powder coatings. | TMA have the properties of respiratory sensitising | ![]() |
| DCHP (Dicyclohexyl phthalate) | 201-545-9 | 84-61-7 | Consumer Uses in adhesives and sealants, coating products, filters, putties, plasters, modelling clay, finger paints, non-metal-surface treatment products, inks and toners, polishes and waxes, polymers and textile treatment products and dyes; PVC, rubber, plastic articles as plastisol. | DCHP is toxic for reproduction category 1B and it have the properties of endocrine disrupting with probable serious effects to human health. | ![]() |
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