Organic phosphine

(scale, corrosion inhibitors and chelating agents)

• PBTC (2-Phosphonobutane-1,2,4-Tricarboxylic Acid)

  PBTC is a high-performance organophosphonate combining exceptional scale inhibition with effective corrosion control. Its unique molecular structure provides superior stability at high temperatures and in systems with high hardness or alkalinity. PBTC offers excellent chlorine resistance, strong metal chelation, and outstanding compatibility with zinc and polymers—making it ideal for use in cooling water, oilfield water injection, and desalination systems.
  CAS No.: 37971-36-1

• HEDP (1-Hydroxy Ethylidene-1,1-Diphosphonic Acid)

  HEDP (1-Hydroxyethylidene-1,1-Diphosphonic Acid) is a highly effective organophosphonate scale and corrosion inhibitor widely used in industrial water treatment and oilfield applications. Its strong ability to chelate metal ions such as calcium and iron prevents scale formation and stabilizes metal surfaces under harsh conditions. HEDP exhibits excellent thermal and chemical stability, maintaining performance at high temperatures and over a wide pH range. It is compatible with chlorine and other oxidizing biocides, making it ideal for use in cooling water systems, reverse osmosis, oilfield injection water, and industrial cleaning formulations.

• ATMP (Amino Trimethylene Phosphonic Acid)

  ATMP (Aminotris(Methylenephosphonic Acid)) is a powerful phosphonate-based chelating agent and scale inhibitor known for its strong affinity to calcium, magnesium, and other metal ions. It effectively prevents scale formation and metal corrosion in industrial water systems, oilfield injection water, and desalination processes. ATMP offers excellent thermal and chemical stability, performing well under high-temperature and high-alkalinity conditions. Its strong calcium tolerance and long-lasting inhibitory action make it ideal for applications requiring durable protection against scale and corrosion.

• DTPMPA (Diethylene Triamine Penta Methylene Phosphonic Acid)

• DTPMPA (Diethylene Triamine Penta(Methylene Phosphonic Acid)) is a high-performance phosphonate chelating and scale inhibition agent designed for demanding industrial and oilfield water treatment applications. Its multi-phosphonic structure provides superior ability to bind metal ions such as calcium, barium, and iron, effectively preventing the formation of both carbonate and sulphate scales. DTPMPA demonstrates exceptional stability under high temperature and high salinity conditions, offering long-lasting protection in harsh environments. It is widely used in cooling water systems, oilfield injection water, and as a key component in scale inhibitor formulations for thermal desalination and reverse osmosis systems.

• HMDTMPA (HexaMethylene Diamine Tetra Methylene Phosphonic Acid)

  HMDTMPA (Hexamethylene Diamine Tetra(Methylene Phosphonic Acid)) is an efficient phosphonate-based scale and corrosion inhibitor designed for use in industrial and oilfield water treatment applications. Its molecular structure, containing multiple phosphonic acid groups, provides strong chelation with calcium and other multivalent metal ions—effectively preventing the formation of hard, adherent scales. HMDTMPA exhibits excellent thermal and hydrolytic stability, maintaining high performance in severe conditions of temperature, salinity, and pH. It is widely applied in oilfield water injection systems, cooling water circuits, and as a stabilizing additive in blended antiscalant formulations.

• PAPEMP (Polyamino Polyether Methylene Phosphonic Acid)

  PAPEMP (Polyamino Polyether Methylene Phosphonate) is an advanced, high-efficiency organophosphonate designed for modern water treatment and oilfield applications. It offers outstanding performance as a threshold scale inhibitor and dispersant, particularly effective against calcium carbonate, calcium sulfate, and barium sulfate scales under extreme conditions. PAPEMP provides excellent thermal and oxidative stability, maintaining strong inhibitory action at high temperatures and over a broad pH range. Its superior calcium tolerance and compatibility with oxidizing biocides make it ideal for use in high-stress systems such as reverse osmosis, oilfield injection water, and thermal desalination plants.

• BHMTPMP (Bis(HexaMethylene Triamine Penta (Methylene Phosphonic Acid))

  BHMTPMP (Bis-Hexamethylene Triamine Penta(Methylene Phosphonic Acid)) is a high-performance phosphonate scale and corrosion inhibitor widely used in oilfield and industrial water treatment systems. Its complex polyphosphonic structure provides exceptional chelation capacity with calcium, barium, and iron ions, effectively preventing both carbonate and sulphate scale formation. BHMTPMP demonstrates outstanding thermal stability and high resistance to hydrolysis, ensuring long-term protection in demanding environments such as oilfield injection water, thermal desalination units, and cooling systems. Its strong dispersion ability and compatibility with other treatment chemicals make it an ideal choice for multi-functional antiscalant formulations.

• EDTMPA (Ethylene Diamine Tetra (Methylene Phosphonic Acid), solid

  EDTMPA (Ethylenediamine Tetra(Methylene Phosphonic Acid)) is a versatile phosphonate chelating agent and scale inhibitor known for its strong sequestration ability toward metal ions such as calcium, magnesium, and iron. It effectively prevents the formation of hard scales and provides reliable corrosion control in industrial water systems, oilfield injection water, and desalination plants. EDTMPA offers excellent chemical and thermal stability, maintaining performance under high-temperature and alkaline conditions. Its high chelation efficiency and compatibility with other water treatment additives make it a preferred choice for formulating multi-component antiscalant and corrosion inhibitor blends.

• PAPE (Polyhydric Alcohol Phosphate Ester)

  PAPE (Polyaminopolyether Phosphonate) is a high-efficiency, multifunctional scale inhibitor and dispersant developed for challenging industrial and oilfield water treatment systems. Its unique polyether–phosphonate structure combines strong chelating ability with superior thermal and oxidative stability, providing excellent inhibition against calcium carbonate, calcium sulfate, and barium sulfate scales. PAPE maintains exceptional performance under high temperature, high salinity, and variable pH conditions, making it ideal for use in oilfield injection water, reverse osmosis pre-treatment, and thermal desalination applications. It is also highly compatible with other treatment agents, allowing flexible formulation in advanced water treatment programs.

• HEMPA (Hydroxyethylamino-Di (Methylene Phosphonic Acid)

  HEMPA (Hydroxyethyl Methylene Phosphonic Acid) is an efficient organophosphonate scale and corrosion inhibitor designed for industrial and oilfield water treatment applications. It provides strong chelation with metal ions such as calcium and iron, effectively preventing the formation of carbonate and sulfate scales. HEMPA offers excellent stability in high-temperature and high-salinity environments, ensuring reliable performance under demanding operating conditions. Its good biodegradability and compatibility with other treatment agents make it suitable for use in environmentally sensitive areas, including offshore and closed-loop cooling water systems.

• HPAA (2-Hydroxy Phosphonoacetic Acid)

  HPAA (Hydroxyphosphonoacetic Acid) is a highly effective phosphonate-based scale and corrosion inhibitor known for its excellent calcium tolerance and dispersing properties. It provides superior performance in preventing carbonate and sulfate scale formation, even under high hardness and high temperature conditions. HPAA also exhibits good corrosion inhibition by forming a stable protective film on metal surfaces. Its excellent biodegradability and chlorine resistance make it particularly suitable for environmentally conscious applications, including industrial cooling water, oilfield water injection, and seawater desalination systems.