EDTMPA Product Information

EDTMPA (Ethylenediamine Tetramethylene Phosphonic Acid) – Product Information
1. Chemical Identity
Chemical Name: Ethylenediamine Tetramethylene Phosphonic Acid
CAS Number: 1429-50-1
Molecular Formula: C6H20N2O12P4
Molecular Weight: 436.13
2. Properties
Appearance: White crystalline powder or light yellow solid
Solubility: Soluble in water, slightly soluble in organic solvents
pH (1% solution): 2.0–3.0
Thermal Stability: Stable under normal conditions but decomposes at high temperatures
3. Key Features & Benefits
Strong Chelating Ability: Effectively binds with metal ions like calcium, magnesium, iron, and copper.
Excellent Scale Inhibition: Prevents scale formation in water treatment systems.
Corrosion Inhibition: Used as a corrosion inhibitor in cooling water systems.
High Thermal and Chemical Stability: Performs well under extreme pH and temperature conditions.
4. Applications
Water Treatment: Used in industrial cooling water, boiler water, and oilfield water treatment to prevent scaling and corrosion.
Textile Printing & Dyeing: Acts as a chelating agent to improve dyeing uniformity and prevent metal ion interference.
Detergent Industry: Used as a stabilizer in detergent formulations to prevent metal ion interference.
Electroplating & Metal Treatment: Prevents metal ion precipitation and enhances process efficiency.
Paper & Pulp Industry: Used as a scale inhibitor and stabilizer.
5. Usage Guidelines
Recommended Dosage: Typically 2-50 mg/L, depending on application.
Compatibility: Works well with other phosphonates, polycarboxylates, and certain biocides but should not be mixed with h3 oxidizers.
Storage:
Store in a cool, dry, and well-ventilated area.
Keep away from moisture to prevent degradation.
Avoid direct sunlight and high temperatures.
6. Packaging
Available in 25kg plastic woven bags or customized packaging as per customer requirements.
7. Safety & Handling
Precautions:
Avoid direct contact with skin and eyes; use protective gloves and goggles.
If spilled, clean with water and absorbent materials.
Environmental Impact: Biodegradable but should be handled responsibly to minimize environmental effects.
Summary
EDTMPA is a high-performance chelating and scale-inhibiting agent widely used in water treatment, textiles, detergents, electroplating, and other industrial applications. It effectively prevents metal ion interference, enhances process efficiency, and ensures system longevity.