KKDİK (Turk-REACH) is a regulation of Turkish Republic, acknowledged from EU-REACH to evolve the protection of human health and the environment from the risks that can be affected by chemicals, while increasing the competitiveness of TR chemicals industry.

KKDIK which stands for Registration (Kayit), Evaluation (Degerlendirme), Authorisation (Izin) and Restriction (Kisitlama) of Chemicals (Kimyasallar) in Turkish is published as of June, 23, 2017 by the Ministry of Environment and Urbanisation (MoEU) which is the responsible authority for its implementation and enforcement.

KKDİK (Turk REACH) covers manufacturing, placing on the market or use of the substances on their own, in a mixture or in an article and placing the mixtures on the market.

Any manufacturer or importer of a substance, either on its own or in one or more mixture (s), in quantities of 1 ton or greater per year shall offer a registration to the Ministry of Environment through Chemicals Registration System in the website of Ministry. all SEA (Turkish CLP) notifications and Pre-SIEF registrations (known as pre-registration) and registration work needed to submit a successful registration dossier to Turkey Ministry of Environment.

The Amendment Regarding the Extension of KDIK Registration Periods is published in the Official Gazette dated 23 December 2023 and numbered 32408.