Product name: Ethylene diaminete traacetic acid (EDTA) Synonyms :(Ethylenedinitrilo)tetraacetic acid disodium salt; Edetic acid disodium salt; EDTA disodium salt; Edetic acid~EDTA; EDTA,free acid Ethylenediamine tetraacetic acid,free acid; EDTA,500 mM Solution,pH 8.0,ULTROL Grade; EDTA-SOLUTION; EDTA; Edetic acid; EDTA ACID CAS no:60-00-4 Molecular formula:C10H16N2O8
Molecular weight:M=292.24
Specification:
| EDTA | 99% Min |
| Chloride | 10PPM Max |
| IRON | 0.001% Max |
| Heavy Metal | 10PPM MAX |
| Sulphate | 0.1% Max |
| PH | 2.8-3.0 |
| APPEARANCE | WHITE POWDER |
Usage: 1, EDTA is an important complexing agent. EDTA is widely used, can be used as color photographic materials processing bleach fixing solution, dyeing auxiliaries, fiber processing aids, cosmetic additives, blood anticoagulants, detergents, stabilizers, synthetic rubber polymerization initiator, EDTA is chelate A representative substance of a mixture. And alkali metals, rare earth elements and transition metals to form a stable water-soluble complex. In addition to sodium salt, there are ammonium salts and iron, magnesium, calcium, copper, manganese, zinc, cobalt, aluminum and other salts, these salts have different uses. In addition EDTA can also be used to make harmful radioactive metal from the body quickly excreted to detoxification. It is also a water treatment agent. EDTA is also an important indicator, but used to titrate the metal nickel, copper, etc., with the time to use with ammonia in order to play the role of indicator. 2, EDTA is an excellent calcium and magnesium ion chelating agent, used as a chelating agent for emulsion polymerization of water, remove Ca2 +, Mg2 +, Fe2 +, Fe3 + and other metal ions. It is also used as a complexing agent for anaerobic adhesives, that is, treatment of methacrylic acid diester with EDTA, removal of transition metal ions, elimination of the ability to promote the decomposition of peroxide, to improve the stability of anaerobic effect is very good. EDTA sodium salt chelate metal ions can improve the modified acrylic acid fast. Solid storage adhesive (SGA) storage stability, the amount of -3 × 10-4 ~ 6.0 × 10-4. The amount of 1.5%, 50 ~ C storage stability of more than 360h (50 ℃ storage 4d, equivalent to SGA20 ~ C storage for 1 year). 3, commonly used in softening boiler water quality. Prevent scaling.
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