Phosphonate Scale and Corrosion Inhibitor
ATMP
CAS.6419-19-8
Application
The ATMP is a phosphonate scale and corrosion inhibitor for metal equipment or piping. It is often associated with other organic acid, poly-carboxylic acid or salt to form organic water treatment agent. The agent is adopted by circulating cooling water systems under a variety of water conditions. It is ideal for water cooling systems and water injection systems of power plants and oil refineries. A dosage of 1-20mg/L is preferred. When used for anti-corrosion purpose, an amount of 20-60mg/L is required.
Packaging
Liquid: 250kg/drum, or 1300 kg/ intermediate bulk container(IBC)
Solid: 25 kg/bag
Specification
| Property | Liquid | Solid |
| Appearance | colorless or light yellow transparent liquid | white crystalline powder |
| Active component (ATMP) | ≥ 50.0-51.0 % | ≥ 95.0 % |
| Chloride (Cl-) | ≤ 1.0 % | ≤ 1.0 % |
| Iron ( Fe2 ) | ≤ 10.0 mg/L | ≤ 20.0 mg/L |
| Density (20℃) | ≥ 1.31-1.35 g/cm3 | -- |
| PH (1% aqueous solution) | ≤ 2.0 | ≤ 2.0 |
| Color (APHA/Hazen) | ≤ 30 | |
| Calcium chelation value (CaCO3) | ≥ 450 mg/g |
ATMP.Na4/ Na5
CAS.2235-43-0 (ATMP.Na5), 20592-85-2 (ATMP.NaX)
Application
The sodium salt of ATMP can prevent formation of scale, particularly the formation of calcium carbonate scale. It is an ideal metal corrosion inhibitor for boiler water treatment, oil field water injection system, cooling water system, and industrial or municipal water treatment. ATMP.Na5 is a low-cost universal anti-corrosion agent for zinc and phosphate with good chelating properties.
Packaging
250 kg/drum, or 1300 kg/ intermediate bulk container (IBC)
Specification (ATMP.Na5)
| Property | Value |
| Appearance | colorless or light yellow transparent liquid |
| Active component (ATMP ) | 27.8-30.7 % |
| Active component (ATMPNa5) | 38.0-42.0 % |
| Total phosphorus ( PO43- ) | 26.6-28.6 % |
| Chloride (Cl-) | ≤ 1.0 % |
| PH (1% aqueous solution) | 10.0-11.0 |
| Iron (Fe2 ) | ≤ 20 mg/L |
| Density (20 ℃) | 1.38-1.48 g/cm3 |
ATMP.Kx
CAS.27794-93-0
Application
Some ATMP potassium solution has higher solubility compared with the sodium solution in the same amount. It serves as a good scale inhibitor of calcium carbonate. It applies to oil field injection water system.
Packaging
250 kg/drum or 1300 kg/ intermediate bulk container (IBC)
Specification
Please contact us for details.
HEDP
CAS. 2809-21-4
Application
The HEDP can form stable complexes with iron, copper, zinc and other metal ions. It can dissolve oxide on metal surface. Even at 250 ℃, it still has good anti-corrosion and anti-scale performance and remains stable under high pH conditions. This scale and corrosion inhibitor is hard to be hydrolyzed, or break down under normal light and heat conditions. It has better acid, alkali and oxychlorination resistance than other organic phosphonic acid (salt).
The HEDP is used in electric power, chemical industry, metallurgy, fertilizer and other industrial cooling water systems, as well as water and oil pipelines in medium and low pressure boilers and oil fields.
Packaging
250 kg/drum or 1300 kg/ intermediate bulk container (IBC)
Specification
| Property | Value | |
| Appearance | colorless or light yellow transparent liquid | white crystalline powder |
| Active component(HEDP) | ≥ 58-62 % | ≥ 90.0 % |
| Phosphorous acid(PO33-) | ≤ 1.0 % | ≤ 0.80 % |
| Orthophosphoric acid(PO43- ) | ≤ 0.6 % | ≤ 0.50 |
| Chloride (Cl-) | ≤ 0.01 % | ≤ 0.01 % |
| PH (1% aqueous solution) | ≤ 2.0 | ≤ 2.0 |
| Acetic acid | ≤ 0.5% | |
| Iron ≤ | 10 mg/L | 5 mg/L |
| Color (APHA/Hazen) | 30 | |
| Density(20 ℃) | ≥ 1.43-1.47 g/cm3 | -- |
| Calcium chelation value | ≥ 500 mg/g | -- |
HEDP.Na/Na2/Na4
CAS.29329-71-3 (HEDP.Na), 7414-83-7(HEDP.Na2), 3794-83-0 (HEDP.Na4)， 29329-71-3 (HEDP.NaX)
Applications
The sodium salt of HEDP is widely used in electric power, chemical industry, metallurgy, fertilizer and other industrial cooling water systems, as well as water pipelines of medium and low pressure boiler, and oil field as scale and corrosion inhibitor.
Specification
Please contact us for details.
HEDP.Kx
CAS. 67953-76-8
Application
The potassium salt of HEDP, as compared with the sodium salt of HEDP, has a higher solubility under neutral conditions. It is an excellent inhibitor of calcium carbonate scale. The HEDP.Kx is mainly used for metal corrosion inhibition, swimming pool anti-fouling, metal cleaning, tank cleaning, iron fouling control, metal pretreatment, low pressure boiler water treatment, and water recycling.
Specification
Please contact us for details.
EDTMPA
CAS.1429-50-1
Application
The EDTMPA is a scale inhibitor with strong ability to chelate metal ions. Its copper complexation constants are the largest among all chelating agents including EDTA. The chelating ability of EDTMPA is far more excellent than that of EDTA and DTPA. Almost all use of EDTA as chelating agent can be replaced with EDTMPA.
Packaging
25 kg/bag
Specification
| Appearance | white crystalline powder |
| Active component (EDTMPA) | ≥ 96.0 % |
| Organic phosphonate (PO43-) | ≥ 82.0 % |
| PH (1% aqueous solution) | ≤ 2.0 |
| Chloride(Cl-) | ≤ 0.1 % |
| Moisture | ≤ 2.0 % |
| Iron(Fe2 ) | ≤ 5.0 mg/L |
EDTMP.Na5
CAS. 7651-99-2
Application
The EDTMP.Na5 is water soluble, non-toxic and eco-friendly. It has good chemical stability and thermal resistance—even at 200 ℃, it maintains good performance. The sodium salt of EDTMP is especially suitable for inhibition of calcium sulfate and barium sulfate scale. It serves as scale and corrosion inhibitor in circulating water and boiler water systems, complexing agent in non-cyanide plating, water softener in dyeing industry, and cooling water treatment agent in power plant.
Packaging
Liquid: 250 kg/drum
Solid: 25 kg/bag
Specification
| Property | Value | |
| Appearance | amber transparent liquid | white crystalline powder |
| Active component(EDTMP ·Na5) | 30.0-32.6 % | ≥81.4 % |
| Active component(EDTMPA) | 24.0-26.0 % | ≥65.0 % |
| Chloride (Cl-) | ≤ 2.0 % | ≤ 2.0 % |
| Density (20 ℃) | ≥ 1.25 g/cm3 | -- |
| Iron(Fe2 ) | ≤ 20 mg/L | ≤ 20 mg/L |
| PH (1% aqueous solution) | 5.0-8.0 | 6.0 ~8.0 |
HMDTMPA
CAS.23605-74-5
Application
The HMDTMPA can inhibit a variety of scales, such as calcium carbonate, calcium sulfate, barium sulfate, iron oxide, etc. But it is commonly used as calcium sulfate and barium sulfate scale inhibitor in water treatment.
In various organic phosphonic acids, the HMDTMPA inhibits calcium sulfate scale with the best inhibition rate and the longest effective time. Therefore, it is particularly suitable for the extrusion process in oil fields. It can also be used for boiler water treatment.
Packaging
25 kg/bag
Specification
| Property | Value |
| Appearance | white crystalline powder |
| Active component(HDTPMA-) | ≥ 97.0 % |
| Chloride (Cl -) | ≤ 0.5 % |
| PH (1% aqueous solution) | ≤ 2.0 |
| Iron (Fe2 ) | ≤ 35.0 mg/L |
HMDTMPA.K6
CAS.38820-59-6 (x-6), 53473-28-2 (6-K)
Application
The HDTMPA.K6 has very high solubility. It prevents salts in the water from scaling, especially effective for the calcium sulfate. It adapts to high-alkaline high-pH conditions. The HDTMPA.K6 is an ideal scale inhibitor for boiler water treatment and reverse osmosis membrane.
Packaging
250 kg/drum.
Specification
Active content: 21.2-24.6% (acid) or 31-36% (salt).
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DTPMPA
CAS.15827-60-8
Application
The DTPMPA is an acid soluble scale and corrosion inhibitor with superb inhibition effect and temperature resistance. It prevents the formation of carbonate and sulfate scales. In alkaline environment and high temperature (210 ℃ above), it shows better performance than other organic phosphorus.
The DTPMPA is used in circulating cooling water and boiler water systems, especially for water under alkaline conditions. It is also applicable to high barium carbonate water conditions. Generally, when it is used as anti-scale agent, a concentration of 1-30mg / L is recommended; while as cleaning agent, 1000-2000mg / L is preferred. It is usually used with polycarboxylic acid scale dispersants.
Packaging
250 kg/drum
Specification
| Property | Value |
| Appearance | brown or reddish brown viscous liquid |
| Active component | ≥ 48-52 % |
| Phosphorous acid (PO33-) | ≤ 5.0 % |
| PH (1% aqueous solution) | ≤ 2.0 |
| Iron (Fe2 ) | ≤ 35.0 mg/L |
| Chloride (Cl-) | 14-17 % |
| Density (20℃) | 1.35-1.45 g/cm3 |
DTPMP.Na5/ DTPMP.Na7
CAS.68155-78-2 (DTPMP.Na7), 22042-96-2 (DTPMP.NaX)
Application
The sodium salt of DTPMP is used as circulating cooling water and boiler water scale and corrosion inhibitor in water treatment.
Packaging
250 kg/drum
Specification
Please contact us for details.
PBTCA
CAS.37971-36-1
Application
The PBTCA has low phosphorus content. Because it has characteristics of both orthophosphoric acid and carboxylic acid, it has good scale and corrosion inhibition performance. Especially at high temperature, its performance is far beyond common organic phosphate.
The PBTCA is a widely used scale and corrosion inhibitor in circulating cooling water system and oilfield water injection system. It adapts to high temperature, high hardness, high alkali and high concentration occasions. It is generally used with zinc salt, copolymer, organic phosphorus, azoles and other water treatment agents. When used alone, the dosage should be 5-15mg / L.
Packaging
250 kg/drum
Specification
| Property | Value |
| Appearance | colorless or light yellow transparent liquid |
| Active component (PBTCA) | ≥ 50-51 % |
| Phosphorous acid (PO33- ) | ≤ 0.5 % |
| Orthophosphoric acid(PO43- ) | ≤ 0.2 % |
| Density(20 ℃) | ≥ 1.270 g/cm3 |
| PH (1% aqueous solution) | 1.5 – 2.0 |
| Iron (Fe) | ≤ 10.0 mg/L |
| Chloride(Cl) | ≤ 10.0 mg/L |
| NTU | ≤ 10 |
| Color (APHA) | ≤ 30 |
PBTCA.Na4
CAS.40372-66-5
Application
The PBTCA.Na4 is the sodium salt of PBTCA, also an excellent zinc stabilizer. It is widely used in circulating cooling water system and oilfield water injection systems. It is especially suitable for compound use with zinc salt and copolymer.
The PBTCA.Na4 scale and corrosion inhibitor can be used in high temperature, high hardness, high alkali and high concentration occasions. It can also be used as chelating agent and metal cleaning agent in detergent industry.
Packaging
25 kg/bag
Specification
Active component: 85% PBTCA.Na4
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HPAA
CAS. 23783-26-8
Application
The HPAA features good chemical stability. It is hard to be hydrolyzed, or be destroyed by acid and alkali, so it is suitable for low hardness and corrosive water conditions.. Its anti-corrosion performance is better than that of HEDP and EDTMP.
The HPAA is mainly used as a cathode metal corrosion inhibitor in steel, petrochemical, power, pharmaceutical and other industries. It works better in compound use with low molecular weight polymer and zinc salt.
Packaging
250 kg/drum
Specification
| Property | Value |
| Appearance | dark brown liquid |
| Solid content | ≥ 50.0 % |
| Phosphorous acid (PO33- ) | ≤ 4.0 % |
| Density(20 ℃) | ≥ 1.30 g/cm3 |
| PH (1% aqueous solution) | ≤ 1.0-3.0 |
PAPEMP
Application
The PAPEMP is especially suitable for high hardness, high alkalinity, or high pH circulating cooling water system and oilfield water treatment. It works excellently in inhibition of calcium carbonate, calcium phosphate and calcium sulphate scales. It is also a good silica scale inhibitor and a good stabilizer of metal ions such as zinc, manganese and iron.
The PAPEMP is adopted by reverse osmosis system, multi-stage flash system, and coal gasification system, which are Valueized by high salinity, high turbidity, and high temperature. The normal dosage is 5-100mg / L. A higher dosage can achieve high concentration treatment. It is also available for compound use with poly-carboxylic acid.
Packaging
200 kg/drum
Specification (a molecular weight of about 600)
| Property | Value |
| Appearance | amber transparent liquid |
| Active component(PAPEMP) | ≥ 40.0 % |
| Orthophosphoric acid (PO43- ) | ≤ 1.0 % |
| Density (20 ℃) | 1.20 ±0.05 g/cm3 |
| PH (1% aqueous solution) | 2.0 ±0.5 |
BHMTPMPA
CAS. 34690-00-1
Application
The BHMTPMPA is an efficient chelating scale inhibitor with good effect on carbonate and sulfate scales. In a wide range of PH and 120 ℃ high temperature, it maintains excellent water solubility and heat stability. It also shows a high tolerance to calcium.
The BHMTPMPA is applicable to oilfield water, industrial cooling water and boiler water. It can either be used alone or in combination with poly-carboxylic acid type scale dispersants.
Packaging
250 kg/drum
Specification
| Property | Value |
| Appearance | dark amber transparent liquid |
| Active component | 43.0-48.0 % |
| Chloride(Cl-) | ≤ 8.0 % |
| Iron (Fe2 ) | ≤ 65 mg/L |
| Density (20 ℃) | ≥ 1.2 g/cm3 |
| PH (1% aqueous solution) | ≤ 2.0 |
BHMTPH.PN (NaX)
CAS. 35657-77-3
Application
Similar to BHMTPMPA
Packaging
250 kg/drum
Specification
The BHMTPH.PN (NaX) is the sodium salt of BHMTPMPA.
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