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Company Address  No. 3716 Qingdao Road, Huaiyin District, Jinan City, Shandong Province, Unit 1801, China Construction Jinxiu Plaza.

Production base  Juye Chemical Industry Park, Heze City, Shandong Province.

Nanjing Branch Company  Room B2304, Nanjing University of Technology (Dingjiaqiao Campus), No. 5 Xinmofanma Road, Gulou District, Nanjing City, Jiangsu Province.

Phone ： +86-531-88986356 

Phone ：+86-15562623709 
Email ： sdprio@sdprio.com

Ethylenediaminetetramethylenephosphonic acid EDTMPA
Ethylenediaminetetramethylenephosphonic acid EDTMPA
Ethylenediaminetetramethylenephosphonic acid EDTMPA
Ethylenediaminetetramethylenephosphonic acid EDTMPA

Ethylenediaminetetramethylenephosphonic acid EDTMPA

Alternative names: Ethylenediaminetetramethylenephosphonic acid, Ethylene diamine tetramethylene phosphonic acid

Category:

Organophosphorus scale and corrosion inhibitor chelating agent

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Keywords:

Organophosphorus scale and corrosion inhibitor chelating agent

Detailed introduction

Also known as: Ethylenediaminetetramethylenephosphonic acid, ethylenediaminetetramethylenephosphonic acid

CAS No. 1429-50-1

Molecular formula: C₆H₂₀O₁₂N₂P₄

Relative molecular mass: 436

Structural formula:

Performance and Applications:

At room temperature, EDTMPA is a white crystalline powder with a melting point of 215–217°C. It is slightly soluble in water, with a solubility of less than 5% at room temperature, and readily soluble in ammonia solution.

EDTMPA is a high-purity, non-toxic reagent with strong metal-chelating capabilities. In the electronics industry, it serves as a cleaning agent for semiconductor wafers in integrated circuit fabrication; in the pharmaceutical sector, it functions as a carrier for radioactive isotopes, used in diagnostic and therapeutic applications.

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Indicator

Appearance

White crystalline powder

Active ingredient (expressed as EDTMPA) %

≥95.0

Organic phosphorus (as PO) 4 3- Calculation)%

≥82.0

pH (1% aqueous solution)

≤2.0

Chloride (as Cl) - Calculation)%

≤0.1

Loss on drying (%)

≤2.0

Iron content (as Fe), mg·L⁻¹

≤5.0

Our company can supply citric acid with a encapsulation purity of 99%, suitable for use in the electronics and pharmaceutical industries.

Packaging and Storage:

EDTMPA is packaged in composite plastic woven bags or in packaging that meets export‑related environmental requirements, with a net weight of 25 kg per bag. It should be stored indoors in a cool, shaded area, with a shelf life of ten months.

Security Protection:

EDTMPA is an acidic solid; take appropriate personal protective measures during handling, and avoid contact with skin, eyes, and other sensitive areas. If contact occurs, rinse thoroughly with plenty of water.

Application scenarios

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