| CAS No.: | 10378-23-1 |
|---|---|
| Formula: | EDTA 2na |
| EINECS: | 4528-784-7 |
|
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EDTA is an organic compound, its chemical formula is C10H16N2O8, white powder at normal temperature and pressure.It is a chelating agent that can bind with Mg2+, Ca2+, Mn2+, Fe2+ and other divalent metal ions.Because most nucleases need Mg2+, they are often used as inhibitors of nucleases.It can also be used to remove the inhibition of enzyme by heavy metal ions.
| Formula: | EDTA-2Na·2H2O |
| Molecular Weight: | 372.2 |
| Appearance: | White Crystalline Powder |
| Assay : | 99.0%min. |
| Chelated Value (at PH=11) : | 267mg CaCO3/g |
| Chloride (Cl-) : | 0.01%max. |
| Fe : |
0.001%max. |
|
Heavy Metal (as per Pb2+) : |
0.001max. |
|
Residue after burning (sulfate) : |
0.2%max. |
1. EDTA is an important complexing agent.EDTA is widely used as bleaching fixing solution, dyeing assistant, fiber treatment assistant, cosmetic additive, blood anticoagulant, detergent, stabilizer, synthetic rubber polymerization initiator, EDTA is the representative material of chelating agent.It can form stable water-soluble complexes with alkali metals, rare earth elements and transition metals.In addition to sodium salt, there are ammonium salt and iron, magnesium, calcium, copper, manganese, zinc, cobalt, aluminum and other salts, which have different USES.EDTA can also be used to detoxify harmful radioactive metals by rapidly excreting them from the body.It is also a treatment agent for water.EDTA is also an important indicator, but it can be used to titrate nickel, copper, etc.
2. EDTA is an excellent calcium and magnesium ion chelating agent, which is used as a chelating agent for emulsion polymerization to remove Ca2+, Mg2+, Fe2+, Fe3+ and other metal ions.It is also used as a complexing agent for anaerobic adhesive, namely EDTA treatment of dimethacrylate, to remove transition metal ions, eliminate the effect that can promote the decomposition of peroxides, and improve the stability of anaerobic adhesive.EDTA sodium salt chelating metal ions can improve the speed of modified.Storage stability of solid structure adhesive (SGA), dosage -3×10-4 ~ 6.0×10-4.The storage stability of 50~C is more than 360h (storage at 50ºC for 4d, equivalent to SGA20~C for 1 year).
3, often used for boiler water softening.Prevent scaling.
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