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Your regular update for technical and industry information

EU REACH: EC Decision identified TMA as SVHC

april 2018 - Relevant for: Electrical & electronics HardlinesSoftlinesToys & children's products INDUSTRY

On 19 April 2018, the Official Journal of the European Union (OJEU) published Decision (EU) No 2018/5941, which identified benzene-1,2,4-tricarboxylic acid 1,2 anhydride (trimellitic anhydride) (TMA) as substance of very high concern (SVHC). The European Chemicals Agency (ECHA) will include this substance to the SVHC Candidate List2 in the next scheduled update in the end of June or beginning of July.

TMA had undergone the public consultation of REACH SVHC Candidate List during September to October of 2016. However, the Member State Committee (MSC) did not unanimously agree on the identification of substance, and TMA was not included into the SVHC Candidate List in January 2017. Afterwards, the MSC’s comments3 were submitted to the European Commission (EC) for decisions making.

In line with the majority opinion of the MSC, the EC decided to identify TMA as a SVHC due to its respiratory sensitising properties.

Table A below gives the substance name, identification number (CAS and EC), the reason for inclusion and the potential applications of TMA.

Substance Name

CAS Number

(EC Number)

Reason for inclusion

Potential Application

Benzene-1,2,4-tricarboxylic acid 1,2-anhydride (trimellitic anhydride) (TMA)


Respiratory sensitising properties (Article 57(f)) – human health)

  • Used in manufacture of polymers and esters

  • Used as laboratory chemical.

Table a.

[1] Decision (EU) No 2018/594
[2] The official Candidate List
[3] The Opinion of the Member State Committee of the European Chemicals Agency of 15 December 2016 - TMA


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