Month: November 2026

Hydroxyethylamino-Di(Methylene Phosphonic Acid) (HEMPA)

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HEMPA (Hydroxyethylamino-Di(Methylene Phosphonic Acid)) is a specialized organic phosphonate whose primary value lies in its exceptional tolerance to dissolved iron and its effectiveness against gypsum (calcium sulfate) scaling, distinguishing it from more common phosphonates like ATMP or HEDP. Identity and Basic Properties Chemical Identity: CAS Number 5995-42-6, with the molecular formula C₄H₁₃NO₇P₂ and a molecular…

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2,2-Dibromo-3-Nitrilo-Propionamide (DBNPA)

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DBNPA (2,2-Dibromo-3-nitrilopropionamide) is a fast-acting, broad-spectrum industrial biocide. Its key feature is that it degrades rapidly in the environment, particularly under alkaline conditions, which makes it favored in applications requiring short-term microbial control without persistent residues. Identity and Typical Properties Parameter Information CAS Number 10222-01-2 Molecular Formula C₃H₂Br₂N₂O Items Index Assay: 99% Physical Form White…

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