Diethylenetriaminepentaacetic acid

Diethylenetriaminepentaacetic acid is efficient chelating agent. It is widely applied in acrylic fiber manufacturing as color inhibitor, in paper making industry, as water softening agent, as textile auxiliary agent, as food additive, as stabilizing agent of drugs. It is also used in water treatment, textile, paper making, rubber, photography, petroleum and chemical fields.

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Product Description

Diethylenetriaminepentaacetic acid

Product name: (Carboxymethylimino)bis(ethylenenitrilo)tetraacetic acid; Pentetic acid; DTPA;
English name: Diethylenetriaminepentaacetic acid
CAS No: 67-43-6
Molecular formula: C14H23O10N3
Molecular weight: 393.35
Structural formula:

Technical index

Item	Index
appearance	white crystal powder
purity (in 393.35) %	≥99
chloride(Cl)%	≤0.01
sulfate(as SO42-)%	≤0.05
heavy metal(Pb)%	≤0.001
ferrum(Fe)%	≤0.001
loss on drying %	≤0.2
chelating capacity(mgCaCO3/g PH=11)	≥252
PH(Saturated solution, 25℃)	2.1—2.5
solubilit test	up to standard

Properties: Diethylenetriaminepentaacetic acid is white crystal powder dissolved in hot water and aqueous alkali. It is lightly soluble in cold water, insoluble in organic solvents, for example, alcohol and ether. Melting point: 230℃
Uses: Diethylenetriaminepentaacetic acid is efficient chelating agent. It is widely applied in acrylic fiber manufacturing as color inhibitor, in paper making industry, as water softening agent, as textile auxiliary agent, as food additive, as stabilizing agent of drugs. It is also used in water treatment, textile, paper making, rubber, photography, petroleum and chemical fields.
Packaging: 25kg inner plastic bag and outer woven bag or fiber drum, or for demand
Storage: Should be preserved in dry, ventilated and cool warehouse; should be separate with alkaline matter and strong oxidant