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1. Basic Identification Chemical Name: Tetrasodium ethylenediaminetetraacetate Synonyms: EDTA tetrasodium salt, Na₄EDTA CAS No.: 64-02-8 Molecular Formula: C₁₀H₁₂N₂O₈Na₄ Molecular Weight: 380.17 g/mol (anhydrous) 2. Physical & Chemical Properties Property Typical Specification Appearance White crystalline powder or granules, free of visible impurities Solubility Freely soluble in water (≥100 g/L at 20°C), clear solution pH (1% aqueous solution)…
PBTCA (2-Phosphonobutane-1,2,4-tricarboxylic acid), as an efficient organophosphonic acid scale and corrosion inhibitor, exhibits significant synergistic effects when combined with other water treatment agents. These combinations often enhance overall performance, reduce dosage, lower costs, and address complex water chemistry challenges. Here are the key synergistic effects in detail: 1. Synergy with Other Phosphonates (e.g., HEDP, ATMP) Enhanced Scale…
Based on standard chemical safety classifications, HEDP·Na₄ (Tetrasodium Hydroxyethylidene Diphosphonate) is generally considered a low-hazard chemical in industrial and consumer applications. However, like many industrial chemicals, it requires responsible handling due to its irritant properties and environmental considerations. Here is a detailed, neutral analysis of its hazard profile: 1. Health Hazard Assessment (Typical GHS Classification) Acute Toxicity (Oral, Dermal,…
GLDA.Na₄ (Tetrasodium Glutamate Diacetate) is a powerful, readily biodegradable chelating agent derived from fermented sugar (L-glutamic acid). Its combination of strong chelation, excellent biodegradability, and low eco-toxicity makes it uniquely suitable for applications where environmental profile and performance are equally critical. Here are the areas where GLDA.Na₄ is most suitable and highly valued: 1. Household & Industrial Cleaning Products (Primary Market)…
This is an excellent technical question in water treatment chemistry. The short answer is: Yes, HPMA can functionally replace PAAS in many applications, but it is not a universal “drop-in” substitute. The choice depends on specific performance requirements, system conditions, and economic factors. Here is a detailed comparative analysis: 1. Basic Profiles Property HPMA (Hydrolyzed Polymaleic Anhydride)…
To ensure the stability and efficacy of BTA•Na, the following storage specifications must be strictly adhered to. The core principle is preventing moisture absorption, as BTA•Na is highly hygroscopic. I. Primary Storage Conditions Factor Requirement 1. Container Must be airtight. Use original packaging (typically plastic-lined steel or HDPE drums). After opening, reseal immediately and tightly. If original packaging…
Yes, HPMA (Hydrolyzed Polymaleic Anhydride) can generally be used at low temperatures, but its performance and application effectiveness are influenced by several factors that need careful consideration. Here’s a detailed breakdown: 1. Physical State and Solubility Good Cold-Water Solubility: HPMA is typically supplied as an aqueous solution or a solid powder. It maintains good solubility in cold water,…
Based on current technological trends, environmental policies, and industrial demands, the future application expansion of Polyepoxysuccinic Acid (sodium salt), or PESA, is expected to focus on the following key directions, moving beyond its traditional role as a green scale inhibitor in water treatment: 1. Deep Expansion in Water Treatment: Specialized and High-End Markets Zero-Liquid Discharge…
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Testing the purity of Polyepoxysuccinic Acid (sodium salt), or PESA, is a multi-faceted process. In an industrial context, “purity” encompasses not just the concentration of the active polymer but also the level of impurities and key performance indicators. There is no single test; a combination of methods is required for a comprehensive assessment. Here is a…
PAAS is a widely used and highly effective anionic polymer dispersant. Its performance stems from its molecular structure and functional groups. 1. Key Characteristics & Basic Info Aspect Description Chemical Name Sodium Polyacrylate Chemical Class Water-soluble anionic polymer (polyelectrolyte). Appearance Colorless to light yellow viscous liquid, or white powder/granules. Key Functional Group Carboxylate group (–COO⁻Na⁺). The…