Amino Trimethylene Phosphonic Acid (ATMP) CAS No. 6419-19-8 Dequest: 2000 Molecular Formula: N(CH2PO3H2)3 Molecular weight: 299.05 Structural Formula:Properties: ATMP has excellent chelation, low threshold inhibition and lattice distortion ability. It can prevent scale formation, calcium carbonate in particular, in water system. ATMP has good chemical stability and is hard to be hydrolyzed in water system. At high concentration, it has good corrosion inhibition. ATMP is used in industrial circulating cool water system and oilfield water pipeline in fields of thermal power plant and oil refinery plant. 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, soluble in water, easily deliquescence, suitable for usage in winter and freezing districts. Because of its high purity, it can be used in woven & dyeing industries and as metal surface treatment agent. Specification: items index Appearance colorless or light yellow transparent liquid White crystal powder Active acid % 48.0-52.0 95min Chloride (as Cl-)% 2.0(or1.0) min 1.0 min pH value (1úÑsolution) 2.0 max 2.0 max Fe (as Fe3+) (ppm) 20 20 Density (20íµ)g/cm3 1.33 min - Colour APHA (Hazen) 40 max - Usage: ATMP is usually used together with 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 dosage of 1-20mg/L is recommended. As corrosion inhibitor, the dosage of 20-60mg/L is preferred. Package and Storage: ATMP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in room shady and dry place. Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water.
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) CAS No. 2809-21-4 Dequest:2010 Molecular Formula: C2H8O7P2 Molecular weight: 206.02 Structural Formula: Properties: HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metalsí» surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250íµ. 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 state of HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, it can be used as cleaning agent in electronic fields and as additives in daily chemicals. Specification: items index Appearance Colorless or light yellow transparent liquid White crystal powder Active content (HEDP)% 58.0-62.0 89.0 min Phosphorous acid (as PO33-)% 2.0 max 0.5 max Phosphoric acid (asPO43- )% 0.8 max 0.5 max Chloride (as Cl-)% 0.01 max 0.01 max pH (1úÑ solution) 2 max 2 max Density (20íµ)g/cm3 1.40 - Fe ion ppm 10 max 20 max Colour APHA (Hazen) 40 max - Usage: HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven 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. Package and Storage: HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for ten months in room shady and dry place. Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water.íí
Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid) CAS No 1429-50-1 Dequest: 2040 Molecular Formula: C6H20 N2O12P4 Molecular weight: 436.13 Structural Formula: Properties: EDTMPA is white crystal powder at room temperature, with melting point 215-217íµ, hard to be dissolved in water, the solubility is less that 5% at room temperature, easy dissolved in ammonia. EDTMPA has strong metal ion chelating capacity, whose chelating constant with cuprum ion is larger than that of EDTA. EDTMPA has high capacity for chelating metal ions. The complex constant with Cu is the largest in all chelating agents including EDTA. EDTMPA is a kind of high-pure grade reagent and innocuous, it can be used as detergent in semiconductor chip to prepare integrated circuit, as carrying agent for radioelement in medical industry, and as agent for inspection and therapy. The chelating capacity of EDTMPA largely exceed that of EDTA and DTPA, and can replace EDTA for chelating agent at almost any situation. Specification: items index Appearance White crystal powder Active acid % 95.0min Total phosphonic acid(as PO43-)% 82.0 min Dryness weight loss % 2.0 max Fe ppm 5 max Cl % 0.1 max pH(1% solution) 2.0 max Our company can produce 99% (chromatograph purity) and high purity product on demand of clients. Package and Storage: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, with agreement with export environment requirement, or confirmed by clients. Storage for one year in room shady and dry place.
Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA) CAS No 15827-60-8 Dequest: 2060 Molecular Formula: C9H28O15N3P5 Molecular weight: 573.2 Structural Formula: Properties: DTPMPA is innocuous, easy to be dissolved in acid solution. DTPMPA has excellent scale and corrosion inhibition and good thermal tolerance ability. DTPMPA can inhibit the scale formation of carbonate, sulfate and phosphate. On situation of alkali environment and high temperature (above 210íµ) DTPMPA has better scale and corrosion inhibition effect than other organophosphines. Specification: items index Appearance Brown transparent liquid Active acid % 48.0-52.0 Phosphorous acid (as PO33-)% 3.0 max Chloride (as Cl-)% 12-17 Density (20íµ) g/cm3 1.35-1.45 pH (1% solution) 2.0 Fe ppm 35 max Usage: DTPMPA can be used as scale and corrosion inhibitor in circulating cool water system and boiler water, and especially in alkali circulating cool water system without additional pH regulation, It can also be used 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, microelementí»s carrying agent in fertilizer and concrete modifier. In addition, DTPMPA is used in papermaking, electroplating, acid cleaning and cosmetics. 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. Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water.íí
2-Phosphonobutane -1,2,4-Tricarboxylic Acid (PBTCA) CAS No. 37971-36-1 Dequest 7000 Molecular Formula: C7H11O9P Molecular weight: 270.13 Structural Formula: 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. Its antiscale property under high temperature is far better than that of organophosphines. It can improve zinc salt solubility, has good chlorine oxidation tolerance and good composite synergy. Specification: items index Appearance Colorless or light yellow transparent liquid Active acid % 50.0 min Phosphorous acid(as PO33-)% 0.8 max Phosphorous acid(as PO43-)% 0.5 max Density (20íµ) g/cm3 1.27 min pH(1% solution) 1.5~2.0 Usage: PTBCA is a high efficient agent as scale and corrosion inhibitor. 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. 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. Package and Storage: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for one year in room shady and dry place. Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Appearance: Colorless or light yellow transparent liquid Solid content % :30 min Free monomer (CH2=CH-COOH) % :0.5 max Density (20íµ)g/cm3 :1.15 min pH(1% solution) :6.0~8.0 25kg or 200kg in plastic barrel
Appearance: Clear to umber transparent liquid Solid content % :48.0 min Bromine value mg/g :80.0 max Average molecular weight :450 min pH(1% solution): 2.0-3.0 Density (20íµ)g/cm3: 1.18 min Normally In 250kg net Plastic Drum, IBC drum can also be used as required
Appearance ;colorless or light yellow transparent liquid White crystal powder Active acid % :48.0-52.0 95min Chloride (as Cl-)% :2.0(or1.0) min ;1.0 min pH value (1úÑsolution): 2.0 max ;2.0 max Fe (as Fe3+) (ppm) :20; 20 Density (20íµ)g/cm3 : 1.33 min - Colour APHA (Hazen) :40 max - ATMP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
Appearance: Colorless or light yellow transparent liquid Solid content % : 30 min Free monomer (CH2=CH-COOH) % :0.5 max Density (20íµ)g/cm3: 1.09 min pH(1% solution) :3.0 max 40%, 50% PAA are also supplied. Normally In 200kg net Plastic Drum, IBC drum can also be used as required
