Ethylene diamine tetra acetic acid 99.5%
1 Assay:99.5%min 2 CAS No. 60-00-4 3 EC No.200-449-4 4 Appearance: white powder 5 supporting mixd batches
Specifications for EDTA acid
1) Appearance: white powder
2) Assay: 99.5% min
3) Residue after buring: 0.1
4) Chloride:0.01
5) Sulfate(SO4):0.05
6) Iron:0.001
7) Heavy metal:0.001
8)Test on dissolve in sodium carbonate: pass
| Molecular formula | C10H16N2O8 |
| Molar mass | 292.24 g mol−1 |
| Density | 0.86 g cm−3 |
| Melting point | 237-245 °C, 510-518 K, 459-473 °F (dec.) |
| Acidity (pKa) | pKa1 = 0.0 (NH+) (µ = 1.0)pKa2 = 1.5 (NH+) (µ = 0.1)pKa3 = 2.00 (CO2H) (µ = 0.1)pKa4 = 2.69 (CO2H) (µ = 0.1)pKa5 = 6.13 CO2H) (µ = 0.1)pKa6 = 10.37 CO2H) (µ = 0.1)[1] |
| MSDS | External MSDS |
| R-phrases | R36 |
| S-phrases | S26 |
| Main hazards | irritant |
Ethylene diamine tetra acetic acid 99.5%
