2,2′,2”,2”’-(Ethane-1,2-diyldinitrilo)tetraacetic acid
| Product name | EDTA |
|---|---|
| Registrations | CAS 60-00-4; EINECS/ELINCS 200-449-4 |
| Chemical synonyms | Edetic acid; N,N´-1,2-Ethanediylbis[N-(carboxymethyl) glycine] |
| Classification | Substituted diamine |
| Empirical | C10H16N2O8 |
| Properties | Colorless or wh. cryst. powd.; sol. in alkali hydroxide sol'ns.; pract insol. in water; insol. in common org. solvs.; m.w. 292.28; m.p. dec. @ 240 C |
| Appearance | White crystalline powder |
| Assay | 99.0% min |
| PH value | 2.6-3.2 |
| Iron (Fe) | 10 ppm max |
| Heavy metals(Pb) | 5 ppm max |
| Chelating value of CaCO3/1 gram EDTA acid | 350-360 |
| Water content | 0.20% max |
| Sulphate(SO4) | 0.20% max |
| Chloride(Cl) | 0.02% max |
| Shelf life | 1 year |
| Standard packing | Packed in paper bags lined with plastic; net-weighted 25kg per bag |
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