WATER TREATMENT CHEMICALS

Copolymer of Maleic and Acrylic Acid (MA/AA) CAS No. 26677-99-6, 29132-58-9 Synonyms: AA/MA, Belclene 283, Poly(acrylic acid-co-maleic acid) Solution Structural Formula: Properties: MA/AA is a low molecular weight polyelectrolyte, a copolymer of maleic anhydride and acrylic acid. It shows good dispersant performance against carbonate and scale inhibition for phosphate. It has good thermal stability, can be used under high temperature (300℃). MA/AA has good compatibility when

Hydrolyzed Polymaleic Anhydride(HPMA) 【CAS】26099-09-02 Structure: Properties: HPMA is a low molecular weight polymeride, with average molecular weight 400-800. No toxicity, soluble in water, high chemical and thermal stability, decomposed temperature above 330℃. HPMA has obvious threshold effect under high temperature (350℃) and high pH(8.3)level, suitable to be used in alkaline water system or built with agents. It has good scale inhibition against carbonate and phosphate

Polyacrylic Acid Sodium PAAS CAS No. 9003-04-7 Synonyms: Sodium Polyacrylate, Propenoic Acid Homopolymer Sodium Salt Structural Formula Properties PAAS is innoxious and soluble in water, it can be used in situations of alkaline and high concentration without scale sediment. It can disperse the microcrystals or microsand of calcium carbonate, calcium phosphate and calcium sulfate. PAAS is used as scale inhibition and dispersant for circulating cool water system, papermaking,

Polyacrylic Acid (PAA) CAS No. 9003-01-4 Structural Formula: Properties: PAA is innoxious and soluble in water, it can be used in situations of alkaline and high concentration without scale sediment. PAA can disperse the microcrystals or microsand of calcium carbonate, calcium phosphate and calcium sulfate. PAA is used as scale inhibitor and dispersant for circulating cool water system, papermaking, weave, dyeing, ceramic, painting, etc. Specification: Items Index Appearance

Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na2) CAS No. 7414-83-7 Molecular Formula: C2H6O7P2Na2 Molecular weight: 250 Structural Formula: Properties: HEDP•Na2 is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions, and dissolve the oxidized materials, it has good scale and corrosion inhibition effects even under 250℃. It is stable under high pH value, not easy to be hydrolyzed, not easy to be decomposed under normal

Pentasodium Salt of Ethylene Diamine Tetra (Methylene Phosphonic Acid) (EDTMP•Na5) CAS No. 7651-99-2 Molecular Formula: C6H15O12N2P4Na5 Molecular weight: 546.13 Structural Formula: Properties: EDTMP•Na5 is a neutral product. It is nitrogenous organic polyphosphonic acid, which is a part of cathodic corrosion inhibitor. EDTMP•Na5 can be fully dissolved in water, innocuous and none pollution to environment, has good chemical stability and thermal tolerance. EDTMP•Na5 has good

Hepta sodium salt of Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMP•Na7) CAS No. 22042-96-2 (x-Na) 68155-78-2 (7-Na) Molecular Formula: C9H21O15N3P5Na7 Molecular weight: 727 Structural Formula: Properties: DTPMP•Na7 is a scale inhibitor, for barium sulphate in particular and a chelating agent.DTPMP•Na7 can be used as stabilizer for peroxide bleaching, detergent auxiliaries, in industrial & municipal cleaning water, terrestrial heat water, oilfield water, etc.

Penta sodium salt of Amino Trimethylene Phosphonic Acid (ATMP•Na5) CAS No. 20592-85-2 (x-Na), 2235-43-0 (5-Na) Molecular Formula: C3H7NO9P3Na5 Molecular weight: 409 Structural Formula: Properties: ATMP•Na5 is the salt of ATMP, it can inhibit calcium carbonate particularly in water treatment system . ATMP•Na5 can be used in circulating cool system in power plant, oil refinery plant and oilfield refill water system . ATMP•Na5 is a general low cost scale inhibitor, it has good

Tetra sodium salt of Amino Trimethylene Phosphonic Acid (ATMP•Na4) CAS No. 20592-85-2 Molecular Formula: C3H8NO9P3Na4 Molecular weight: 387 Structural Formula: Properties: ATMP•Na4 is the salt of ATMP, it can inhibit the scale formation, calcium carbonate in particular, in water system. ATMP•Na4 can be used in circulating cool system in power plant, oil refinery plant and oilfield refill water system. ATMP•Na4 has good synergistic effects with other additives, in neutral to

Polyamino Polyrther Methylene Phosphonae PAPEMP 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,

2-Hydroxy Phosphonoacetic Acid HPAA CAS No. 23783-26-8 Molecular Formula: C2H5O6P Molecular weight: 156 Structural Formula: Properties: 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.

DTPMPA CAS No. 15827-60-8 Synonyms: Dequest 2060 Molecular Formula: C9H28O15N3P5 Molecular weight: 573.2 Structural Formula: Properties: DTPMPA is innocuous, easily to be dissolved in acid solution. It has excellent scale and corrosion inhibition and good thermal tolerance ability. It can inhibit the scale formation of carbonate, sulfate and phosphate. On situation of alkali environment and high temperature (above 210ºC) it shows better scale and corrosion inhibition effect

Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium EDTMPS CAS No. 1429-50-1 Synonym: Dequest 2040 Molecular Formula: C6H12O12N2P4Na8 Molecular weight: 612.13 Structural Formula: 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 can be fully dissolved in water, innocuous and none pollution to environment, has good chemical stability

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) CAS No. 2809-21-4 Molecular Formula: C2H8O7P2 Molecular weight: 206.02 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 metals' surfaces. It shows excellent scale and corrosion inhibition effects under temperature 250ºC. HEDP has good chemical stability under high pH value, hard to be

Amino Trimethylene Phosphonic Acid (ATMP) CAS No. 6419-19-8 Molecular Formula: N(CH2PO3H2)3 Molecular weight: 299.05 Synonyms:Nitrilo trimethane phosphonic acid, Dequest 2000 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. It has good chemical stability and is hard to be hydrolyzed in water system. At high concentration, it

2-Phosphonobutane -1,2,4-Tricarboxylic Acid (PBTCA) CAS No. 37971-36-1 Molecular Formula: C7H11O9P Molecular weight: 270.13 Synonyms: Dequest 7000, PBTC, Phosphonobutane Tricarboxylic Acid Structural Formula: Specification: Items Index Appearance Clear, colorless to pale yellow aqueous solution Active acid % 50.0-51.0 Phosphorous acid(as PO33-) % 0.5 max Phosphoric acid(as PO43-) % 0.2 max Density (20℃) g/cm3 1.27 min pH (1% water solution) 1.5~2.0 Fe ppm 10.0 max Chloride