Source: https://tendernation.io/opportunities/01a14065-7942-706a-b58f-82b09c2c2474/portugal-basic-inorganic-chemicals-prc-02662026-dex-aquisicao-de-clorito Open for bids PT open procedure Suitable for SMEs # Basic inorganic chemicals – PRC\_0266/2026\_DEX - Aquisição de Clorito de Sódio e Ácido Clorídrico para as Estações de Tratamento da Águas do Norte, S.A. [Águas do Norte, SA](https://tendernation.io/buyers/aguas-do-norte-sa) Estimated value €369,000 Published 24 Sept 2026 Deadline 3 days left 22 Oct 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender PRC\_0266/2026\_DEX - Aquisição de Clorito de Sódio e Ácido Clorídrico para as Estações de Tratamento da Águas do Norte, S.A. ## CPV classification Basic inorganic chemicals Source Tenders Electronic Daily (EU) · Notice 659089-2026 [View official notice](https://ted.europa.eu/en/notice/659089-2026) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Águas do Norte, SA: past awards and live tenders](https://tendernation.io/buyers/aguas-do-norte-sa) [Sector More Chemical products tenders](https://tendernation.io/sectors/chemical-products) ## More tenders like this [Water-treatment chemicals – PRC\_0299/2026\_DEX - Aquisição de coagulantes de remoção de cor para a Águas do Norte, S.A. · Águas do Norte, SA · 3 days left · 22 Oct 2026](https://tendernation.io/opportunities/01a14065-71fd-738e-89a4-4b176abc1467/portugal-water-treatment-chemicals-prc-02992026-dex-aquisicao-de-coagulan) [Oxygen – PRC\_0184/2026\_DEX - Aquisição de oxigénio (O2) para a ETAR de Pereiró da Águas do Norte, S.A. · Águas do Norte, SA · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a15183-ccae-71ab-907e-c8063e07ef61/portugal-oxygen-prc-01842026-dex-aquisicao-de-oxigenio-o2-para-a-etar-d) [Chemical reagents – Aquisição de reagentes para tratamento de água e de águas residuais · AR - Águas do Ribatejo, EIM, SA · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a156a9-f39f-71f5-abf9-c1eab434c461/portugal-chemical-reagents-aquisicao-de-reagentes-para-tratamento-de-agua-e) [Refuse transport services – PRC\_0325/2026\_DEX - Aquisição de Serviços de Recolha e Transporte de Areias e Gradados para a Águas do Norte, S.A. (Douro Interior e Minho Litoral) · Águas do Norte, SA · 23 days left · 11 Nov 2026](https://tendernation.io/opportunities/01a1405f-d91a-724a-a9dc-4303fabc4ce7/portugal-refuse-transport-services-prc-03252026-dex-aquisicao-de-servicos) [Sulphate of aluminium – 2026\_011CP - Aquisição de Sulfato de Alumínio pelas Empresas do Grupo Águas de Portugal · AdP - Águas de Portugal, SGPS, SA · 10 days left · 29 Oct 2026](https://tendernation.io/opportunities/01a14063-f85f-7329-a417-b056adeba6f5/portugal-sulphate-of-aluminium-2026-011cp-aquisicao-de-sulfato-de-aluminio) [Parts of pumps, compressors, engines or motors – PRC\_0253/2026\_CLG - Aquisição de material mecânico para a Águas do Norte, S.A. (II) · Águas do Norte, SA · 24 days left · 12 Nov 2026](https://tendernation.io/opportunities/01a1405e-a0a7-7324-b2e4-153f1d0d4bc7/portugal-parts-of-pumps-compressors-engines-or-motors-prc-02532026-clg)