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Tetrakis-Hydroxymethyl Phosphonium Chloride (THPC)

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Tetrakis(hydroxymethyl)phosphonium chloride (THPC) is a versatile, water-soluble organophosphorus compound. Unlike typical organophosphonates used strictly for scale and corrosion control, THPC functions primarily as a high-efficiency biocide and a permanent flame retardant platform for natural fibers. 1. Chemical Profile & Synthesis Chemical Name: Tetrakis(hydroxymethyl)phosphonium chloride CAS Number: 124-64-1 Molecular Formula: (CH2OH)4PCl Molecular Weight: 190.56 g/mol Core…

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Performance and Applications of KR-406 Composite Bactericide

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KR-406 is a high-performance, non-oxidizing composite quaternary ammonium salt bactericide and algaecide widely utilized in industrial water management. Unlike single-active biocide agents (such as basic Benzalkonium Chloride / 1227), KR-406 relies on a synergistic formulation of multiple quaternary structures to deliver faster knockdown times, deeper biofilm penetration, and longer-lasting control over microbial resistance. 1. Technical…

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Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

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When you need enhanced solubility without sacrificing scale inhibition, HEDP•K2 is the solution. As the potassium salt of HEDP, it offers significantly higher solubility compared to its sodium counterparts, particularly at neutral pH levels . This feature makes HEDP•K2 highly effective in a diverse range of applications, from metal corrosion inhibition and container cleaning to…

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Tetra Sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

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High-Density Granular Solution for Convenient Handling Designed for industrial efficiency, the granular form of HEDP•Na4 offers all the anti-scaling and anti-corrosion benefits of the tetra sodium salt in a convenient, dust-free, high-density formulation . This solid form is perfect for freezing districts due to its stability and ease of use in winter months . It…

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Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

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HEDP•Na4 offers the robust performance of HEDP in a fully neutralized, highly soluble sodium salt form. This formulation is an excellent scale inhibitor for calcium carbonate and is recommended for low-pressure boiler systems, circulating water, and swimming pools . A key benefit of HEDP•Na4 is its cold-weather suitability; it is available in white powder or…

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Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

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HEDP•Na2 is a cornerstone of water treatment chemistry, renowned for its stability and efficacy even at temperatures up to 250°C . This organophosphonic acid corrosion inhibitor offers superior tolerance to acid, alkali, and chloride oxidation compared to other phosphonates . Its mechanism involves forming stable six-ring chelating compounds with metal ions like calcium, iron, copper,…

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N-oxide, Pentapotassium Salt of Amino Trimethylene Phosphonic Acid

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ATMP-N-Oxide•K5 is a next-generation, modified organophosphonate engineered for conditions where traditional phosphonates fail. Its most distinctive feature is superior stability in the presence of chlorine, making it a true “chloride-stable phosphonate” suitable for systems using oxidizing biocides . This specialized chelating agent excels in textile processing, where it prevents dye demetallization to ensure stronger dye…

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Chelating agent Glutamic Acid, N,N-diacetic Acid, Tetrasodium Salt (GLDA-Na4)

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Glutamic acid, N,N-diacetic acid, tetrasodium salt (GLDA-Na4) is an advanced, high-performance, bio-based chelating agent. Derived primarily from natural, renewable raw materials (typically fermentation-derived L-glutamic acid), GLDA-Na4 serves as a premier “green” alternative to legacy phosphonates and synthetic aminopolycarboxylates like EDTA and NTA. It stands out in the industry for having an incredibly high solubility profile,…

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Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP·K2)

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Potassium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP.K2) is an organic phosphonate scale and corrosion inhibitor. It serves as the dipotassium variant of the standard HEDP molecule. While structurally similar to the sodium salts of HEDP (HEDP.Nax), the substitution of sodium ions with potassium ions (K+) alters its physical properties—specifically its solubility and performance at low…

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Applications of Isothiazolinone Biocides

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Isothiazolinone biocides are a class of broad-spectrum, non-oxidizing antimicrobials widely valued for their ability to control bacteria, fungi, yeast, and algae. They work by disrupting cell membranes and cleaving vital intracellular proteins through an active sulfur-nitrogen bond. Because they are highly effective at remarkably low active concentrations (often measured in parts per million), they are…

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