Functional Role

Chelating Agents & Sequestrants

84 products serving this function

Chelating agents bind metal ions to stop scale, discoloration, and catalytic breakdown. RawSource stocks EDTA salts, phosphonates, gluconates, and citrates in bulk.

84 products
Phosphate Esters & Derivatives
2-Hydroxyphosphonocarboxylic Acid (HPAA, Hydroxyphosphonoacetic Acid)
CAS 23783-26-8
An organophosphonic acid corrosion inhibitor for metal protection in recirculating cooling water systems and industrial water treatment applications.
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Specialty Additives
8-Hydroxyquinoline Sulfate (Oxyquinoline Sulfate)
CAS 134-31-6
A metal-chelating heterocyclic compound used as a chelating agent for metal precipitation and separation, corrosion inhibitor.
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Surfactants - Nonionic
Acrylates/Steareth-20 Methacrylate Copolymer
CAS 676168-27-7
A hydrophobically-modified acrylic copolymer that thickens and stabilizes aqueous personal-care and household formulations as a rheology modifier.
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Surfactants - Anionic
Acrylic Acid/AMPS Copolymer (AA/AMPS)
CAS 40623-75-4
A water-soluble anionic copolymer used as a scale inhibitor and dispersant in cooling water, boiler, and reverse-osmosis treatment systems.
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Acids & Salts
Aluminum Sulfate (Alum)
CAS 10043-01-3
A coagulant and flocculant used in municipal water treatment, wastewater phosphorus removal, paper sizing, and textile dyeing.
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Phosphate Esters & Derivatives
Amino Trimethylene Phosphonic Acid (ATMP)
CAS 6419-19-8
An organophosphonate sequestrant used as a chelating agent and scale inhibitor in industrial water treatment, cooling systems.
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Phosphate Esters & Derivatives
Aminotris(methylenephosphonic acid) Tetrasodium Salt (ATMP, Tetrasodium Salt)
CAS 20592-85-2
An organophosphonic chelating agent and corrosion inhibitor used in petroleum production, water treatment, and industrial scaling control.
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Acids & Salts
Ammonium Citrate Dibasic (Diammonium Citrate)
CAS 3012-65-5
A diammonium salt of citric acid used as a buffering and chelating agent in fertilizer analysis, rustproofing, and textile processing.
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Phosphate Esters & Derivatives
Bis(hexamethylene Triamine Penta(methylene Phosphonic Acid)) (BHMTPMPA)
CAS 34690-00-1
An organophosphonic acid that inhibits scaling and corrosion in oil and gas drilling, extraction, and industrial water treatment by complexing metal cations.
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Acids & Salts
Calcium Citrate Tetrahydrate (Tricalcium Citrate Tetrahydrate)
CAS 5785-44-4
A crystalline calcium salt used as a fortification ingredient, sequestrant, and buffer in food and beverage applications.
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Acids & Salts
Calcium Lactate
CAS 814-80-2
A white crystalline salt used as a calcium supplement, firming agent, and preservative in food, pharmaceutical, and industrial applications.
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Acids & Salts
Citric Acid (E330)
CAS 77-92-9
Citric acid is a food- and industrial-grade tricarboxylic acid that does double duty — a tart acidulant and pH buffer, and a metal-ion chelating sequestrant.
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Acids & Salts
Di(2-ethylhexyl) Phosphoric Acid (D2EHPA)
CAS 298-07-7
An organophosphorus acid ester used as a metal extractant in hydrometallurgical solvent extraction, and as a lubricant additive and corrosion inhibitor.
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Phosphate Esters & Derivatives
Diethylenetriamine Penta(methylene Phosphonic Acid) Heptasodium Salt (DTPMP.Na7)
CAS 22042-96-2
An organophosphonate sequestrant used as a chelating agent, scale inhibitor, and corrosion inhibitor in water treatment, detergents, and textile processing.
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Phosphate Esters & Derivatives
Diethylenetriamine Penta(methylenephosphonic Acid) (DTPMPA)
CAS 15827-60-8
An organophosphonic acid chelating agent used for scale inhibition, sequestration, and stabilization in water treatment, cooling systems.
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Phosphate Esters & Derivatives
Diethylenetriamine Penta(methylenephosphonic Acid) Pentasodium Salt (DTPMP·Na5)
CAS 68155-78-2
An organophosphonate chelating and scale-inhibiting agent used in water treatment, industrial cleaning, and bleach stabilization formulations.
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Amines & Amides
Diethylenetriaminepentaacetic Acid (DTPA)
CAS 67-43-6
An aminopolycarboxylic chelating agent that sequesters metal ions in pulp bleaching, water treatment, detergents, and micronutrient formulations.
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Acids & Salts
Dipotassium Phosphate (DKP)
CAS 7758-11-4
An inorganic potassium phosphate salt used as a buffering agent, sequestrant, and emulsifying salt in food processing, antifreeze systems.
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Amines & Amides
Disodium EDTA (Disodium Edetate, EDTA-2Na)
CAS 139-33-3
A chelating and sequestering agent that binds trace metals to stabilize formulations, preserve color, and enhance preservatives in personal care.
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Amines & Amides
Disodium Lauriminodipropionate
CAS 3655-00-3
An amphoteric surfactant and mild cleansing co-surfactant compatible with anionic and cationic actives for foaming, wetting, and detergent formulations.
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Acids & Salts
Disodium Phosphate (DSP, Sodium Phosphate Dibasic)
CAS 7558-79-4
A white crystalline salt used as a buffer, emulsifier, and scale inhibitor in boiler treatment, metal finishing, and textile processing.
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Acids & Salts
Disodium Tallowiminodipropionate (Disodium N-Tallow Iminodipropionate)
CAS 61791-56-8
An amphoteric surfactant that functions as a foaming, wetting, and cleansing agent across a broad pH range in detergents and personal care formulations.
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Phosphate Esters & Derivatives
Ethylenediamine Tetra(methylene Phosphonic Acid) Sodium Salt (EDTMPS)
CAS 1429-50-1
An aminophosphonate chelating agent that sequesters metal ions and inhibits scale formation in water treatment, detergents.
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Amines & Amides
Ethylenediaminetetraacetic Acid (EDTA)
CAS 60-00-4
A hexadentate chelating agent that binds metal ions to prevent scale, control hardness, and stabilize formulations in detergents, water treatment.
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Phosphate Esters & Derivatives
Etidronic Acid Disodium Salt (HEDP.Na2)
CAS 7414-83-7
An organophosphonate sequestrant that binds metal ions and inhibits scale and corrosion in cooling water, boiler treatment, detergents, and oilfield systems.
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Phosphate Esters & Derivatives
Etidronic Acid, Disodium Salt (HEDP·Na2, Disodium Etidronate)
CAS 7417-83-6
An organophosphonate chelating agent used as a scale and corrosion inhibitor in water treatment, industrial cleaning, and metal sequestration applications.
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Acids & Salts
Ferric Chloride (Iron(III) Chloride, Iron chloride)
CAS 7705-08-0
An inorganic iron salt used for wastewater treatment, metal etching, and as an oxidizing agent in industrial processes.
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Mineral Fillers & Pigments
Ferric Hydroxide
CAS 1309-33-7
A reddish-brown precipitate used in water treatment, wastewater purification, and metal finishing applications.
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Acids & Salts
Ferric Sodium EDDHA (o,o-EDDHA Fe Chelate, 6% Fe)
CAS 16455-61-1
A chelated iron micronutrient used to correct iron deficiency in crops, particularly in alkaline and calcareous soils where iron availability is limited.
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Acids & Salts
Ferric Sulfate (Iron(III) sulfate)
CAS 10028-22-5
An iron-based coagulant for drinking-water and wastewater treatment, removing turbidity, color, and phosphorus while controlling odors and hydrogen sulfide.
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Acids & Salts
Fluorosilicic Acid (Hydrofluorosilicic Acid)
CAS 16961-83-4
An aqueous acidic solution used for municipal drinking-water fluoridation to maintain optimal fluoride levels and help prevent tooth decay.
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Specialty Additives
Gluconolactone
CAS 90-80-2
A mild organic acid derivative used in cosmetics, pharmaceuticals, and food processing as a chelating agent and pH buffer.
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Amines & Amides
Glutathione (L-Glutathione)
CAS 70-18-8
A sulfur-containing tripeptide used as a reducing agent in cosmetics, dietary supplements, and analytical research applications.
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Acids & Salts
Glycine (Aminoacetic Acid)
CAS 56-40-6
Glycine is the simplest amino acid — a clean buffering agent, reagent and flavor/feed nutrient, supplied as a water-soluble crystalline solid.
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Acids & Salts
Glycolic Acid 70% (Hydroxyacetic Acid, GA)
CAS 79-14-1
An aqueous solution of the smallest alpha-hydroxy acid used for metal cleaning, textile finishing, leather tanning, and electroplating applications.
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Phosphate Esters & Derivatives
HEDP (Hydroxyethylidene Diphosphonic Acid, Etidronic Acid)
CAS 2809-21-4
An organophosphonic acid chelating agent used as a sequestrant, scale inhibitor, and corrosion inhibitor in water treatment, detergents.
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Specialty Additives
Humic Acid
CAS 1415-93-6
A humic substance derived from leonardite or lignite used to improve soil cation exchange and water retention, control fluid loss in drilling muds.
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Polymers & Resins
Hydrolyzed Polymaleic Anhydride (HPMA)
CAS 26099-09-2
A low-molecular-weight polycarboxylate polymer used as a scale, corrosion, and dispersant inhibitor in high-temperature boiler and cooling-water systems.
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Specialty Additives
Kojic Acid (acido kojico)
CAS 501-30-4
A fungal-derived tyrosinase inhibitor used to prevent enzymatic browning in foods, manufacture flavor compounds, and formulate skin-brightening cosmetics.
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Amines & Amides
L-Carnosine (Carnosine)
CAS 305-84-0
A water-soluble dipeptide antioxidant used as an active ingredient in dietary supplements and cosmetic formulations.
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Amines & Amides
L-Cysteine (Cysteine)
CAS 52-90-4
A sulfur-containing amino acid with a reactive thiol group used as a reducing agent in baking, nutritional supplement in food.
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Amines & Amides
L-Histidine Hydrochloride (L-Histidine HCl)
CAS 5934-29-2
An essential amino acid hydrochloride salt used in nutritional supplements, cell-culture media, and biochemical research applications.
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Acids & Salts
Lactobionic Acid
CAS 96-82-2
A white powder aldonic acid derived from lactose oxidation, providing antioxidant properties for pharmaceutical formulations and cosmetic skincare products.
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Surfactants - Anionic
Lignosulfonate (Lignin Sulfonate, Sulfonated Lignin)
CAS 8068-05-1
A water-soluble anionic polymer that disperses and emulsifies, used as a concrete plasticizer, animal-feed binder, and dust suppressant.
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Polymers & Resins
Maleic Acid-Acrylic Acid Copolymer (MA/AA)
CAS 26677-99-6
A low-molecular-weight polycarboxylate copolymer used as a scale inhibitor and dispersant in industrial water treatment and detergent formulations.
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Acids & Salts
Oxalic Acid (Ethanedioic Acid)
CAS 144-62-7
A white crystalline organic acid used for rust and stain removal, metal finishing, wood bleaching, and rare-earth element processing.
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Acids & Salts
Oxalic Acid Dihydrate
CAS 6153-56-6
A crystalline dihydrate used as a chelating and bleaching agent in textile dyeing, leather processing, metal cleaning, and paint removal.
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Phosphate Esters & Derivatives
Pentasodium Aminotrimethylene Phosphonate (ATMP-Na5)
CAS 2235-43-0
An aqueous phosphonate chelating agent used as a scale and corrosion inhibitor in cooling water systems, boiler treatment, and textile bleaching applications.
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Polymers & Resins
Phosphino-Carboxylic Acid Copolymer (PCA)
CAS 71050-62-9
A dual-function water-treatment polymer that inhibits scale, disperses particulates, and provides corrosion protection in cooling and boiler systems.
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Phosphate Esters & Derivatives
Phosphonobutane Tricarboxylic Acid (PBTC)
CAS 37971-36-1
An organophosphorus chelating acid used as a scale and corrosion inhibitor in cooling-water systems and industrial cleaning formulations.
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Phosphate Esters & Derivatives
Phytic Acid (Inositol Hexaphosphate, IP6)
CAS 83-86-3
An organophosphate chelating agent derived from plant seeds, used to sequester metal ions in water treatment, food processing, and industrial applications.
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Polymers & Resins
Polyacrylic Acid (PAA)
CAS 9003-01-4
A water-soluble polymer used as a dispersant, scale inhibitor, and thickener in industrial water treatment, textiles, and superabsorbent applications.
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Polymers & Resins
Polyacrylic Acid Sodium (PAAS)
CAS 9003-04-7
A water-soluble polymer that thickens and stabilizes formulations for soil water retention, boiler treatment, and pigment dispersion in coatings.
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Acids & Salts
Polyaluminum Chloride (PAC)
CAS 1327-41-9
A pre-hydrolyzed aluminum coagulant for drinking-water and wastewater treatment, removing turbidity, color.
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Phosphate Esters & Derivatives
Polyepoxysuccinic Acid (PESA)
CAS 51274-37-4
A phosphorus-free polycarboxylate scale and corrosion inhibitor for cooling water systems, controlling carbonate, sulfate.
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Acids & Salts
Potassium Bitartrate
CAS 868-14-4
A crystalline salt used as a stabilizer in wine production, food processing, and pharmaceutical formulations.
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Acids & Salts
Potassium Citrate (Tripotassium Citrate Monohydrate)
CAS 6100-05-6
A potassium salt of citric acid used as an acidity regulator, buffer, sequestrant, and emulsifying salt in food and beverage processing.
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Acids & Salts
Potassium Citrate (Tripotassium Citrate, Anhydrous)
CAS 866-84-2
An anhydrous potassium salt used for pH buffering, chelation, and emulsification in food, beverage, and pharmaceutical formulations.
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Natural Extracts & Oils
Potassium Humate
CAS 68514-28-3
A dark brown organic compound derived from leonardite, used as a soil conditioner and nutrient enhancer in agriculture and horticulture.
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Acids & Salts
Potassium Tripolyphosphate (KTPP)
CAS 13845-36-8
A hygroscopic inorganic polyphosphate powder used as a chelating agent, builder in detergents, and sequestrant in water treatment and food processing.
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Specialty Additives
Rutin (Rutoside, Quercetin-3-O-rutinoside)
CAS 153-18-4
A flavonol glycoside powder used as an antioxidant and conditioning ingredient in cosmetics and dietary supplement formulations.
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Acids & Salts
Sodium Acetate
CAS 127-09-3
A crystalline salt used as a buffer, preservative, and de-icing agent in pharmaceuticals, food processing, and chemical synthesis.
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Acids & Salts
Sodium Acid Pyrophosphate (SAPP, Disodium Pyrophosphate)
CAS 7758-16-9
A polyphosphate salt used as a leavening acid in baking powders, food acidulant, and chelating agent in metal cleaning and electroplating applications.
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Acids & Salts
Sodium Citrate (Trisodium Citrate)
CAS 68-04-2
A sodium salt buffering agent and sequestrant that controls pH and binds metal ions in food, cleaning, detergent, and electroplating applications.
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Mineral Fillers & Pigments
Sodium Cyanide (NaCN)
CAS 143-33-9
An inorganic salt used as a lixiviant for gold and silver extraction, electroplating, metal heat-treating.
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Acids & Salts
Sodium Gluconate
CAS 527-07-1
A white crystalline powder and sodium salt of gluconic acid that chelates metal ions, used as a concrete retarder, water reducer.
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Acids & Salts
Sodium Hexametaphosphate (SHMP)
CAS 10124-56-8
A sodium polyphosphate sequestrant and dispersant used in water treatment, detergents, food processing, and drilling fluid applications.
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Natural Extracts & Oils
Sodium Humate
CAS 68131-04-4
A dark brown powder derived from leonardite or peat, used as a soil conditioner and plant growth promoter in agriculture and horticulture.
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Acids & Salts
Sodium Hydrosulfite
CAS 7775-14-6
A reducing agent and bleaching compound used in textile processing, paper pulping, and dye removal applications.
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Acids & Salts
Sodium Metabisulfite (SMBS)
CAS 7681-57-4
A reducing agent powder that dechlorinates water, scavenges oxygen, and preserves reverse-osmosis membranes in industrial water treatment.
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Acids & Salts
Sodium Metasilicate Pentahydrate
CAS 10213-79-3
An alkaline soluble silicate used in detergents, cleaners, foundry mold production, and pulp and paper processing.
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Acids & Salts
Sodium Metasilicate, Anhydrous
CAS 6834-92-0
A strongly alkaline soluble silicate used in detergents, metal cleaning, foundry molds, and as a precursor for silica gels and zeolites.
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Phosphate Esters & Derivatives
Sodium Phytate (Sodium Inositol Hexaphosphate)
CAS 14306-25-3
A naturally derived chelating agent that binds metal ions in water treatment, food processing, and industrial formulations to prevent scale and discoloration.
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Acids & Salts
Sodium Polyaspartate (PASP)
CAS 94525-01-6
A water-soluble polyamino acid that inhibits scale formation, disperses particles, and chelates metal ions in water treatment and industrial.
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Acids & Salts
Sodium Tripolyphosphate (STPP)
CAS 7758-29-4
An inorganic condensed phosphate used as a sequestrant, dispersant, and anti-caking agent in detergents, water treatment, and food processing applications.
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Amines & Amides
Tetraethylenepentamine (TEPA)
CAS 112-57-2
A polyfunctional amine hardener for epoxy resins, lubricant additives, and chelating agent in coatings, adhesives, and fuel treatment applications.
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Acids & Salts
Tetrapotassium Pyrophosphate (TKPP)
CAS 7320-34-5
A soluble potassium polyphosphate used as a sequestrant and builder in detergents, for water treatment and scale control.
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Amines & Amides
Tetrasodium EDTA (EDTA·4Na, Tetrasodium Edetate)
CAS 64-02-8
A water-soluble chelating agent that binds polyvalent metal ions for scale control, hardness sequestration.
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Phosphate Esters & Derivatives
Tetrasodium Etidronate (Tetrasodium HEDP)
CAS 3794-83-0
An organophosphonic chelating agent used for metal ion sequestration, scale prevention, and dispersion in cleaning and water-treatment applications.
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Acids & Salts
Tetrasodium Pyrophosphate (TSPP)
CAS 7722-88-5
A sodium polyphosphate used as a water softener, detergent builder, and sequestrant in metal cleaning, water treatment, and textile processing.
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Specialty Additives
Tri-n-octylphosphine Oxide (TOPO)
CAS 78-50-2
A strongly coordinating trialkylphosphine oxide used as a metal-ion extractant in solvent extraction, hydrometallurgy, and nanocrystal synthesis.
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Acids & Salts
Trisodium Phosphate (TSP)
CAS 7601-54-9
A strong alkaline salt used as a heavy-duty cleaner, water softener, and sequestrant in detergents, boiler treatment, and food processing applications.
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Acids & Salts
Vitamin C (Ascorbic Acid)
CAS 50-81-7
Ascorbic acid (Vitamin C) is a water-soluble antioxidant and reducing agent for food preservation, fortification, personal care and analysis.
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Specialty Additives
Water Decoloring Agent
CAS 55295-98-2
A cationic polymer coagulant that removes color from wastewater by adsorbing anionic dyes in textile, paper, and printing-ink industry effluent treatment.
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