Ethylenediamine Tetramethylenephosphonic acid

For Research Use Only.

Category

Corrosion and Scale Inhibitor

Cat.No.

WTA-033

CAS

1429-50-1

Product Name

Ethylenediamine Tetramethylenephosphonic acid

Structure

Product Details

Catalog Water Technology

WTA-033

Synonyms

EDTMPA; EDITEMPA; Dequest 2041; EDTMP, EDTMPA; EDTMPA (Solid); Antiscale and inhibitor; Ethylenediamine Tetramethylenephosphonic acid

IUPAC Name

[2-[bis(phosphonomethyl)amino]ethyl-(phosphonomethyl)amino]methylphosphonic acid

Molecular Weight

436. 13

Molecular Formula

C6H20N2O12P4

Canonical SMILES

C(CN(CP(=O)(O)O)CP(=O)(O)O)N(CP(=O)(O)O)CP(=O)(O)O

InChI

InChI=1S/C6H20N2O12P4/c9-21(10,11)3-7(4-22(12,13)14)1-2-8(5-23(15,16)17)6-24(18,19)20/h1-6H2,(H2,9,10,11)(H2,12,13,14)(H2,15,16,17)(H2,18,19,20)

InChIKey

NFDRPXJGHKJRLJ-UHFFFAOYSA-N

Boiling Point

878.7±75.0°C(Predicted)

Melting Point

247°C

Flash Point

485.2°C

Purity

>98.0%(T)

Density

1.993±0.06 g/cm3(Predicted)

EINECS

215-851-5

Properties

EDTMPA is white crystal powder at room temperature, with melting point 215-217°C, easy dissolved in ammonia, but hard to be dissolved in water: the solubility is less that 5% at room temperature. EDTMPA has a strong ability to chelate metal ions, and its complexation constant of copper ion is the largest of all chelating agents, including EDTA.

Storage

Storage in shady room and dry place.

pH of 1% solution

2.0 max

Application

EDTMPA is high-pure grade and innocuous reagent. It can be used as detergent of semiconductor chip to prepare integrated circuit in electronics industry, as carrying agent for radioelement for inspection and therapy of disease in medical industry. The chelating capacity of EDTMPA largely exceed that of EDTA and DTPA, and can replace EDTA for chelating agent at almost any situation.

Appearance

White crystal powder

Description

EDTMPA has a strong ability to chelate metal ions, and its complexation constant of copper ion is the largest of all chelating agents, including EDTA.

Refractive Index

1.622

Safety Protection

Avoid contact with eye and skin, once contacted, flush with water.

5.0 max

Moisture

2.0 max

Chloride

0. 1 max

RIDADR

UN 3261 8/PG II

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