
Product Name: Polyaminopolyether Methylenephosphonic Acid (PAPEMP)
CAS Number: 130668-24-5
Molecular Formula: Variable, based on the polymer length
Molecular Weight: Approximately 600
Appearance: Light yellow liquid
Density: ≥1.15 g/cm³ at 20°C
Solubility: Highly soluble in water
pH: ≤2.0 (1% aqueous solution)
Polyaminopolyether Methylenephosphonic Acid PAPEMP 40%
Appearance | Light transparent liquid |
Active content % | ≥40 |
Phosphorou s acid % | ≤2.5 |
Phosphori c acid | ≤1.0 |
Iron ppm | ≤35 |
Density (20ºC g/cm3) | ≥1.19 |
Key Features:
- Superior Chelating Capacity: Offers high calcium tolerance and excellent scale inhibition against calcium carbonate, calcium sulfate, and calcium phosphate.
- High Compatibility: Can be used with other polymers like AA/AMPS for enhanced performance.
- Versatility: Effective in various water systems, including cooling water, household detergents, and oilfield water treatment.
- Eco-friendly: An environmentally friendly alternative to traditional chelating agents like EDTA, DTPA, and NTA.
Applications:
- Water Treatment: Used as a scale and corrosion inhibitor in circulating cooling water systems, household detergents, and thermal power plants.
- Oilfield Operations: Effective in high salinity, high turbidity, and high-temperature systems, such as reverse osmosis and multistage flash vaporization systems.
- Industrial Processes: Utilized in textile dyeing and papermaking as a processing aid and scale inhibitor.


Package:200kg/drum,1000kg/IBC drum
Shipping marks can be customized according to customer requirements
Storage:2-8ºC







Q: Are you a factory or a trading company?
A: We are a trading company, but we have worked with many factories for many years. The prices are very competitive.
Q: How do I order?
A: Make an inquiry to us → customize drawing and sample → Inform us of use scenario → Receive our product design recommendation → Discuss details → Confirm sample → sign contract/deposit → Mass production → Goods ready → Balance/delivery → Further cooperation.
Q: What about the sample order?
A: I can give you the sample. Please contact us for details. Once we charge you the sample fee, rest assured that it will be refunded when you place your official order.
Q: Which modes of transportation are available?
A: Sea, air, land, express, special line. Can meet your any need.
Q: How long does it take for delivery [production] and shipment?
A: The delivery time depends on the quantity you order. It usually takes 7-15 working days.
Q: I'm missing some products in my package. What can I do?
A: Please contact our support team, we will confirm the contents of your order with packaging, compensation according to the actual situation, we apologize for the inconvenience.
Q: How do I confirm payment?
A: We accept wire transfer, paypal payment, other payment methods are also acceptable, please contact us before you pay through other payment methods. Another 30% down payment is feasible and the balance should be paid before shipment.