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Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid)

TL;DR Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid): explore its role, applications, selection factors and related options for industrial water and process treatment.

EDTMPA (Ethylene Diamine Tetra(Methylene Phosphonic Acid), Solid) — EDTMPA is a solid chelating and scale-inhibiting agent with very strong chelation of metal ions (greater than EDTA), used in non-cyanide electroplating, peroxide stabilization, textile bleaching and water treatment.

Compare Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid) with the treatment objective and operating conditions of your water or process system. Include the industry, water characteristics, current treatment, target, required quantity, packaging and destination in your enquiry so the relevant available grades can be identified and quoted.

Ethylene Diamine Tetra (Methylene Phosphonic Acid), EDTMPA, is a white crystal powder at room temperature. It has a melting point of 215-217℃ and is difficult to dissolve in water. EDTMPA has a solid ability to chelate metal ions, and its complexation constant with a copper ion is the largest of all chelating agents. It can be used as a complex with radioactive samarium as a radiopharmaceutical in cancer research, and it is also part of a cathodic corrosion inhibitor. In addition, EDTMPA has applications in water treatment, oilfield chemicals, and other industries.

Product Description

CAS No.1429-50-1

Molecular Formula: C6H20 N2O12P4

Molecular weight: 436.13

EDTMPA Structural Formula:

EDTMPA Structural Formula:

Properties:

EDTMPA is a white crystal powder at room temperature, with a high chelating capacity for metal ions, which is even more significant than that of EDTA. Its melting point is between 215 and 217℃, and solubility in water is less than 5% at room temperature; however, it can easily dissolve in ammonia.

It has a wide range of applications – it can be used as a detergent in semiconductor chip production to prepare integrated circuits; it can act as a carrying agent for radioelements in the medical industry; and it can also be used as an inspection or therapeutic agent.

EDTMPA Specification:

itemsindex
AppearanceWhite crystal powder
Active acid %95.0min
Total phosphonic acid(as PO43-)%82.0 min
Dryness weight loss %2.0 max
Fe ppm5 max
Cl %0.1 max
pH(1% solution)2.0 max

How to Package and Storage: Ethylene Diamine Tetra Methylene Phosphonic Acid

ETHYDENETM phosphonic acid should be stored in a cool and dry location, preferably below 25°C (77°F). It should be kept from direct sunlight and moisture or heat sources. As with all chemical products, keeping the container tightly sealed when not in use is best. If possible, store the chemical at an ideal temperature and pressure prescribed on the product label. Additionally, it is essential to avoid contamination when handling; gloves and other protective gear should be worn to prevent contact with skin or eyes.

Faqs About Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid)

 

What is EDTMPA (Solid)?

Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid) is a solid, white phosphorus-based compound used as a chelating agent and corrosion inhibitor. It is insoluble in water and has a molecular weight of 376.37 g/mol.

What are the uses of EDTMPA (Solid)?

EDTMPA (Solid) is a chelating agent in water treatment and boiler systems. It is also a corrosion inhibitor in metal working fluids, cooling tower waters, and paper mill systems.

How does EDTMPA (Solid) work?

EDTMPA (Solid) forms complexes with metal ions in solution, preventing the metal ions from interacting with other molecules. This inhibits corrosion and scale formation and helps to keep boiler and cooling tower waters clean.

What are the safety concerns associated with EDTMPA (Solid)?

EDTMPA (Solid) is considered a low-toxicity compound and is not expected to harm human health at recommended use levels. However, it should be handled cautiously as it can cause skin and eye irritation.

Where can I buy EDTMPA (Solid)?

EDTMPA (Solid) is available from chemical supply companies or online retailers, Example: vcycletech

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EDTMPA Applications

EDTMPA is a solid phosphonate with very strong chelation capacity for metal ions (greater than EDTA), supplied as a white crystalline powder.

  • Non-cyanide electroplating
  • Peroxide stabilization
  • Textile bleaching
  • Water treatment requiring a high-purity solid phosphonate

Dosage & Feed Guidance

ApplicationTypical dosage
Scale controllow ppm levels
Chelationdosed in proportion to the metal-ion load

EDTMPA dissolves readily in ammonia. Dosage depends on the application; contact us for a recommendation for your process. VCYCLETECH provides a tailored dosing program on request — email sales@vcycletech.com.

Find the right product for your application

Compare Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid) with the treatment objective and operating conditions of your water or process system. Include the industry, water characteristics, current treatment, target, required quantity, packaging and destination in your enquiry so the relevant available grades can be identified and quoted.

Discuss your application and request a quote →

EDTMPA — Frequently Asked Questions (FAQ)

What is EDTMPA (Ethylene Diamine Tetra(Methylene Phosphonic Acid), Solid) used for?

EDTMPA is a solid chelating and scale-inhibiting agent with very strong chelation capacity for metal ions, greater than EDTA. It is used in non-cyanide electroplating, peroxide stabilization, textile bleaching and water treatment where a high-purity solid phosphonate is required.

What is the recommended dosage of EDTMPA?

Dosage depends on the application: in scale control it is used at low ppm levels, while as a chelating agent it is dosed in proportion to the metal-ion load. It dissolves readily in ammonia and is supplied as a white crystalline powder.

Find the right product for your application

To narrow the available grades, share the industry, water or process conditions, treatment objective, current program, required quantity, packaging and destination. Representative sample results are helpful when performance depends on site water chemistry.
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