EDTA

EDTA is a white powder. The solubility in water at 25 ℃ is 0.5g/L. It is insoluble in cold water, alcohol and general organic solvents. Soluble in sodium hydroxide, sodium carbonate and ammonia solution.

It used to titrate for calcium and magnesium ions (hardness ions) in water samples.

EDTA 1

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Typical Physical Properties

CAS : 60-00-4
Other Names: Ethylenediaminetetraacetic acid
Appearance : white crystal powder
Purity : 99%
Colour : white
Storage : Cool Dried Storage
Package : 25kg/drum

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Advantage

1- it is an organic acid used in oil- and gas-well stimulation treatments.
2- it has an advantage over HCl in that formic acid is easier to inhibit against pipe corrosion at temperatures as high as 400°F .
3- it is intermediate in strength between hydrochloric acid and acetic acid.
4- It corrodes steel more uniformly than does HCl and causes less pitting.

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Uses

EDTA is an important complexing agent. EDTA has a wide range of uses. It can be used as bleaching fixative solution for color sensitive material washing processing, dyeing aid, fiber treatment aid, cosmetic additive, blood anticoagulant, detergent, stabilizer and synthetic rubber polymerization initiator.
EDTA is a representative chelating agent. It can form stable water-soluble complexes with alkaline earth metals, rare earth elements and transition metals. In addition to sodium, there are ammonium salts and various salts of iron, magnesium, calcium, copper, manganese, zinc, cobalt and aluminium, all of which have different uses. In addition, EDTA can also be used to enable the rapid excretion of harmful radioactive metals from the body to play a detoxification role. It's also a water treatment agent. EDTA is also an important indicator, but it is used for titrating metals such as nickel and copper. When used, it should be used together with ammonia to play the role of indicator.

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Application

1. Ethylenediamine tetraacetic acid (EDTA) is an important complexing agent. Bleaching fixer, dyeing agent, fiber treatment agent, cosmetic additive, blood anticoagulant, detergent, stabilizer, synthetic rubber polymerization initiator,
2, ethylenediamine tetraacetic acid is an excellent chelating agent of calcium and magnesium ions, used as a chelating agent for water emulsion polymerization, to remove Ca2+, Mg2+, Fe2+, Fe3+ and other metal ions. It is also used as a complexing agent of anaerobic glue. It is used to treat methacrylate diester with EDTA to remove transition metal ions and eliminate the effect of promoting the decomposition of peroxide, which has a very good effect on improving the stability of anaerobic glue.
3, often used for boiler water softening. Prevent scaling.
4. Used as dyeing additive, fiber treatment agent, cosmetic additive, blood anticoagulant, water treatment agent, rubber polymerization initiator, PVC heat stabilizer, etc

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