Ethylene Diamine Tetraacetic Acid Disodium Salt 99.5% (EDTA 99.5%)

Min.Order: 25

Product origin: Shanghai, China

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US$ -1

Description

Introduction:Ethylenediaminetetraacetic acid (EDTA), also known by several other names, is a chemical used for both industrial and medical purposes.
It is an aminopolycarboxylic acid and a colourless, water-soluble solid. Its conjugate base is ethylenediaminetetraacetate. It is widely used to dissolve limescale. Its usefulness arises because of its role as a hexadentate ("six-toothed") ligand and chelating agent, i.e., its ability to "sequester" metal ions such as Ca2+ and Fe3+. After being bound by EDTA into a metal complex, metal ions remain in solution but exhibit diminished reactivity. EDTA is produced as several salts, notably disodium EDTA and calcium disodium EDTA.
Product name:EDTA 99.5% (Ethylene Diamine Tetraacetic Acid, EDTA Acid, EDTA H4, Editic Acid)
Molecular Fomula: C₁₀H₁₆N₂O₈
Molecular Weight: M=292.2
CAS No.: 60-00-4
Technical index:

Texting Items	EDTA 99.5%
Appearance	white crystal powder
Content	≥99.5%
Chloride(Cl)	≤ 0.02%
Sulfate(SO4)	≤ 0.03%
Heavy Metal (Pb)	≤ 0.001%
Ferrum	≤ 0.001%
Chelating Value	≥ 339
pH Value	2.8-3.0
NTA	≤0.2%

Application:
An agent for complexation, EDTA is mainly used for water treatment, as an additive to detergent, a chemical for photography, paper-making and oil-field. It is also used as detergent for boiler cleaning and reagent in chemical analysis.
1.High molecular chemical industry: EDTA is used as polymetization activator for butyl bezene latex, and polyreaction terminator in acrylic fibre production.
2.Daily chemicals: EDTA is used as additive to detergent, skin cream and hair-conditioner.
3.Paper-making: EDTA is used for treating the steamed fibre. It will promote the whiteness of paper and reduce the incrustation in the steamer.
4.Pharmaceutical industry: Through cyclopolymerization with methyl amide, EDTA is made into ethyl amide, a remedy for psoriasis. It is also a stablizer for some vaccines and an antihaemoagglutinin.
5.Textile dyeing and printing: EDTA will promote colour ability of the dyestuff and brightness of the dyed fabric.
Packing: 25KG/bag , Pearly membrane compound bag, with PE inside or according to the customers' demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.

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