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current position:Organic phosphonate liquid series corrosion inhibition
Amino Trimethylene Phosphonic Acid(ATMP) 【CAS】6419-19-8 Molecular Formula: N(CH2PO3H2)3C Molecular weight:299.05 1, Properties and usage ATMP has excellent chelation, low threshold inhibition and lattice distortion ability. in water system ,it can prevent scale formation, particularly for calcium carbonate. in water, ATMP has good chemical stability and is hard to be hydrolyzed. At high concentration, it has good corrosion inhibition. ATMP can be used in thermal power plant, recirculated cooling water of oil refinery, and recycle waterflood system of oilfield.. ATMP can decrease scale formation and inhibit corrosion of metal equipment and pipeline. ATMP can be used as chelating agent in woven and dyeing industries and as metal surface treatment agent. The solid state of ATMP is crystal powder, easily soluble in water, easymoisture absorption, particularly suitable for using in winter and freezing districts. Because of its high purity, it can be used in woven & dyeing industries and as metal surface treatment agent. 2, Specification: items index Standard Solid Appearance Clear, Colorless to pale yellow aqueous solution White crystal powder Active acid % 50.0-51.0 95.0min Chloride (as Cl-)% 1.0 max 1.0 max pH value (1% solution) 2.0 max 2.0 max Fe,mg/L 10.0max 20.0max Density (20℃)g/cm3 1.31-1.35 - Colour APHA (Hazen) 30.0max - Ca Sequestration (mg CaCO3/g) 450.0 min 3, Application range&using method ATMP is usually used together with other organophosphoric acid, polycarboxylic acid and salt to built all organic alkaline water treatment agent. ATMP can be used in many different circulating cool water system. The recommended dosage is 5-20mg/L. As corrosion inhibitor, The recommended dosage is 20-80mg/L. 4, Package and Storage: ATMP liquid: Normally In 30kg or 250kg net Plastic Drum;ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients request.Storage for ten months in room shady and dry place. 5,Safety Protection: ATMP is Acidity, Avoid contact with eye and skin, once contacted, flush with water.
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP) 【CAS】2809-21-4 Molecular Formula:C2H8O7P2 Molecular weight: 206.02 1, Properties HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn etc. metal ions and form stable complex compound. It can dissolve the oxidized materials on these metals’ surfaces. Under 250℃ HEDP shows excellent scale and corrosion inhibition ability. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects. The solid of HEDP is high purity product, suitable for using in winter and freezing districts. it is quite suitable for using as cleaning agent in electronic fields and as additives in daily chemicals. 2, Specification: items index Appearance Clear, Colorless to pale yellow aqueous solution White crystal powder Active content (HEDP)% 58.0-62.0 90.0 min Active content (HEDP·H2O)% - 98.0 min Phosphorous acid (as PO33-)% 1.0 max 0.8 max Phosphoric acid (asPO43-)% 0.6 max 0.5 max Chloride (as Cl-) ppm 100.0 max 50.0max pH (1% solution) 2.0 max 2.0 max Density (20℃)g/cm3 1.43-1.47 - Fe,mg/L 10.0 max 5.0 max Colour APHA (Hazen) 30.0 max - Acetic acid % 0.5 max Ca sequestration (mg CaCO3/g) 500.0 min 3,HEDPApplication range&using method HEDP is widely used in the in circulating cool water system of electric power, chemical industry, metallurgy, fertilizer, etc. and widely used as a scale and corrosion inhibitor of low-pressure boilers, field waterflood, oil pipeline. In light&textile industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid. 4,Package and Storage: ATMP liquid: Normally In 30kg or 250kg net Plastic Drum;ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients request.Storage for ten months in room shady and dry place. 5,Safety Protection: HEDP is Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Ethylene Diamine Tetra (Methylene Phosphonic Acid) SodiumI(EDTMPS) 【CAS】1429-50-1 Molecular Formula:C6H12O12N2P4Na8C Molecular weight: 612.13 1, Properties EDTMPS is nitrogenous organic polyphosphonic acid, a part of cathodic corrosion inhibitor. Its corrosion inhibition is 3~5 times better than that of inorganic polyphosphate. It is miscible with water, innocuous and none pollution to environment, has good chemical stability and temperature tolerance. It shows excellent scale inhibition ability under temperature 200℃. It can dissociate into 8 positive-negative ions, thus can chelate with many metal ions to form polymer reticulation complex, to destroy the normal crystallization of calcium scale. EDTMPS shows better antiscale effects to calcium sulfate and barium. 2, Specification: items index Appearance Clear yellow to umber transparent liquid Active component (EDTMPS)% 30.0 Organic phosphonic acid (asPO43-)% 10.0 Phosphorous acid (as PO33-)% 3.0 Phosphoric acid (asPO43-)% 1.0 pH (1% water solution) 9.5-10.5 Density (20℃) g/cm3 1.25 Chloride (Cl-)% 2.0 3,Application range&using method EDTMPS can be used as corrosion inhibitor in circulating cool water system and boiler water. It is a chelating agent in non-cyanogen electroplating industry and a water-softening agent in printing & dyeing industry. When used alone, 2~10mg/L is preferred. When built with HPMA by ratio ETDMP:HPMA=1:3, it can be used for low pressure boiler. It can also be built with BTA, PAAS and zinc salt. Organic phosphonic acid 4,Package and Storage: Normally EDTMPS packed with 25kg net Plastic Drum, or packed as customer’s required. Storage for ten months in room shady and dry place.
Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA) 【CAS】15827-60-8 Molecular Formula:C9H28O15N3P5Molecular weight: 573.2 1, Properties: DTPMPA is innocuous, easy to be dissolved in acid solution. DTPMPA has excellent scale and corrosion inhibiting and temperature tolerance ability. DTPMPA can inhibit the scale formation of carbonate, sulfate and phosphate.Under situation of alkali environment and high temperature (above 210℃) DTPMPA has better scale and corrosion inhibition effect than other organophosphines. 2, Specification: items index Appearance Yellow Brown to red brown viscous liquid Active acid % 50.0 Chloride (as Cl-)% 12-17 Density (20℃) g/cm3 1.35-1.45 pH (1% solution) 2.0 Fe,mg/L 35 3,Application range&using method DTPMPA can be used as scale and corrosion inhibitor in circulating cool water system and boiler water, and especially good in alkali circulating cool water system without additional pH regulation, It can also be used as scale and corrosion inhibitor in oilfield refill water, cool water and boiler water with high concentration of barium carbonate. When used alone, little scale sediment is found even none of dispersant is used. DTPMPA can also be used as peroxide stabilizer, chelating agent in woven & dyeing industry, pigment dispersant, microelement’s carrying agent in fertilizer and concrete modifier. In addition, DTPMPA is used in papermaking, electroplating, acid cleaning and cosmetics. 4,Package and Storage: Normally In 25kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place. 5,Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water. 
2 - Phosphonobutane - 1,2,4 - tricarboxylic acid(PBTCA) 【CAS】37971-36-1 Molecular Formula: C7H11O9P Molecular weight: 270.13 1,Properties: PBTCA has low content of phosphoric, has structural features of both phosphoric acid and carboxylic acid group, which enable its excellent scale and corrosion inhibition properties and better than other normal organic phosphorus acid, especially under high temperature its antiscale property is far better than that of normal organophosphines. It can improve zinc salt solubility, has good chlorine oxidation tolerance and good composite synergy. 2, Specification: items index Appearance Clear, colorless to pale yellow aqueous solution Active acid % 50.0 Phosphorous acid(as PO33-)% 0.5 Phosphoric acid(as PO43-)% 0.2 Density (20℃) g/cm3 1.27 pH(1% water solution) 1.5~2.0 Fe ppm 10.0 Chloride ppm 10.0 Turbidity (NTU) 10.0 Color APHA 30.0 3, Usage: As high-efficient agent of scale and corrosion inhibitor, PBTCA is one of the widespread used and good performing products. It is the excellent stabilizer for zinc salt. It is widely used in circulating cool water system and oilfield refill water system as scale and corrosion inhibitor, suitable to composite with zinc salt and copolymer. It can be used in situations of high temperature, high hardness, high alkali and high concentration index. In lavation fields, it is used as chelating agent and metal detergent. 4, Application range&using method PBTCA is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals. When used alone, the dosage of 5-15mg/L is preferred. 5,Package and Storage: Normally In 25kg or 250kg net Plastic Drum, Storage for twelvemonth in room shady and dry place. 6,Safety Protection: PBTC is Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Polyhydric alcohol phosphate ester(PAPE) Structural Formula: 1, Properties and Uses PAPEis a new type of water treatment chemicals, has good scale and corrosion inhibition.Since the introduction of a number of molecular poly vinyl, not only improved the corrosion performance, but also enhance the inhibition of calcium scale and sediment dispersion capacity.Inhibitor of the existing domestic water beyond the control of barium, strontium has a good scale inhibition of deposition of calcium carbonate in water, insoluble calcium sulfate salt deposits also have excellent scale inhibition effect on steel with cathodic protection , corrosion better than similar domestic products available.Polyol phosphateand polycarboxylate, organic phosphates, inorganic phosphate, zinc salts and other water miscible good stabilizer.PAPEcollected for field scale inhibitor injection (recommended as a substitute for Nalco Visco 953), industrial cooling water treatment corrosion inhibitor. 2, Specification:2,Specification items index Appearance Colorless or light yellow transparent liquid Solid content % 50.0 Total phosphoric acid(PO43-)% 30.0 Organophosphonic acid(PO43-)% 15.0 pH(1% solution) 2.0-3.0 3, Usage: Water quality and process conditions vary.PAPEused as scale inhibitor, less than normal amount of 15mg / L, when used in closed loop corrosion inhibitors can be up to 150mg / L or more.PAPEacidic liquid, operation, attention to labor protection, should avoid skin and eyes contact, rinse with plenty of water after contact. 4, Package and Storage PAPEpacked with plastic barrel, net weight 25kg or 200kg.Storage for twelve months in room shady and dry place.. 5,Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water. 
2-Hydroxyphosphonocarboxylic Acid(HPAA) 【CAS】23783-26-8 Molecular Formula:C2H5O6P Molecular weight:156 1,Properties and Usage: HPAA is chemically stable, hard to be hydrolyzed, hard to be destroyed by acid or alkali, safety in use, no toxicity, no pollution. HPAA can improve zinc solubility. Its corrosion inhibition ability is 5-8 times better than that of HEDP and EDTMP. When built with low molecular polymers, its corrosion inhibition effect is even better. 2,Specification: items index Appearance Dark umber liquid Solid content % 45-50 Phosphorous acid(as PO33-)% 4.0 Density (20℃)g/cm3 1.30 pH(1% solution) 1-3 3,Application range&using method HPAA is mainly used as metal cathode corrosion inhibitor. It can be widely used in the circulating cool water system, play as a corrosion inhibitor in the field ofsteel & iron, petrochemcal, power plant and medicine. It is suitable as a corrosion inhibitor for the low-hardness and corrosion water of the south of China.When built with zinc salt, the effect is even better. 4,Package and Storage: Normally In 30kg net Plastic Drum. Storage for ten month in room shady and dry place. 5,Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water. 
Bis(Hexamethylene Triamine Penta (Methylene PhosphoniAcid)) (BHMTPMPA) 【CAS】34690-00-1 Molecular Formula: C17H44O15N3P5Molecular Weight: 685 1,Properties and usage: BHMTPMPA is a high-efficient chelating scale inhibitor, it has good effect to carbonate and sulfate scale. BHMTPMPA has good water soluble properties and heat tolerance. BHMTPMPA has high calcium ion tolerance in a wide pH ranges and temperature as high as 120℃. 2,Specification: items index Appearance Dark brown liquid Active component % 43.0-48.0 chloride(Cl-)% 6.0 Fe,mg/L 65 density(20℃)g/cm3 1.23 pH(1%water solution) 2.0 3,Application range&using method BHMTPMPA can be used as scale and corrosion inhibitor for oilfield water, industrial circulating cool water and boiler. 4,Package and Storage: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place. 5,Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Copolymer of phono and carboxylic acid (POCA) 1,Properties: Through the introduction of phosphonic group into carboxylic group , POCA has good dispersion property for scale of calcium carbonate and calcium phosphate in circulating cool water system . It has good scale inhibition for barium sulfate , strontium sulfate and silica scale . POCA has advantages in wide range of water quality , chemical stability , strong chlorine tolerance , etc. POCA can be used as scale and corrosion inhibitor in circulating cool water system and oilfield refill water system. 2,Specification items index Appearance Colorless or light yellow liquid Solid content % 50.0 Total phosphor (as PO43-)% 2.5 Density (20℃)g/cm3 1.20 pH(1% water solution) 3.5-4.5 3,Usage: When used alone , the dosage of 5-20mg/L is preferred. It can also be used together with organophosphines , copolymer , zinc salt or BTA. 4,Package and Storage: Normally in 25kg or 200kg net Plastic Drum , or packed as customers’ request , Storage for ten months in room shady and dry place. 5,Safety Protection: Acidity , acid contact with eye and skin , once contacted , flush with water.
Molecular weight: about 600 Structural Formula: Properties: PAPEMP is a new kind of water treatment agent. PAPEMP has high chelation and dispersion effects, high value of calcium tolerance, and good scale inhibition effects. PAPEMP can be used as scale and corrosion inhibitor in circulating cool water system and oilfield refill water system in situations of high hardness, high alkali and high pH value. PAPEMP has excellent scale inhibition ability to calcium carbonate, calcium sulfate and calcium phosphate. PAPEMP can efficiently inhibit the formation of silica scale, stabilize metal ions such as Zn, Mn and Fe. PAPEMP can be used as scale inhibitor for reverse osmosis system and multistep flash vaporization system in which high salt concentration, high turbidity and high temperature are usually encountered (such as high temperature and high turbidity in coal vaporization system), accessory agent for woven & dyeing (for example, yellow turnback inhibition agent), as alternatives of EDTA, DTPA and NTA . Specification: Items Index Appearance Amber transparent liquid Solid content% 40.0min Active component % 36.0 min Phosphorous acid (as PO43-)% 1.0 max Density (20℃) g/cm3 1.20±0.05 pH (1%solution) 2.0±0.5 Usage: 200L plastic drum,IBC(1000L),customers’ requirement. Storage for ten months in shady room and dry place. Package and Storage: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.

Dispersion Agent Corrosion And Scale Inhibitor Scale Inhibitor Polycarboxylic Polycarboxylate

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