English name：Ethylene diamine tetraacetic acid tetrasodium salt (EDTA-4NA)
Molecular Fomula: C10H12N2O8Na4•4H2O
Molecular weight: M=452.23
CAS No.: 13254-36-4
Properties: white crystal powder soluble in water, and chelation with a variety of metal ion.
The detailed specifications are as below:
| Itemoftesting | InspectionStandard |
| Appearance | Whitecrystalpower |
| Assay(EDTA4Na.4H20) | 99.0%Min |
| Heavymetal | 0.001%Max |
| Iron | 0.001%Max |
| Sulfate(SO4) | 0..05%Max |
| Chloride | 0.005%Max |
| PHValue(1%watersolution) | 10.5-11.5 |
| ChelatingValue | 215mgCaCO3/gMax |
| Bulkdensity | 700-950g/L |
| NTA | 1.0%Max |
Uses: Usedaswater-softeningagents,catalystsofsyntheticrubber,printinganddyeingadjuvants,
detergentadjuvants.
Packing,StorageandTransportation:
SolidProducts:Packedinpaperbagslinedwithplastic;net-weighted25kgperbag oraccordingtocustomer’sdemand.
LiquidProducts:Packedinirondrumlinedwithplastic;net-weighted200kgperdrum