Complexing reagent Nitrilotriacetic acid with cas 139-13-9 NTA acid
Nitrilotriacetic acid Basic information | |
Product Name: | Nitrilotriacetic acid |
CAS: | 139-13-9 |
MF: | C6H9NO6 |
MW: | 191.14 |
EINECS: | 205-355-7 |
Nitrilotriacetic acid Chemical Properties | |
Melting point | 245 °C (dec.)(lit.) |
Boiling point | 326.86°C (rough estimate) |
density | 1.5784 (rough estimate) |
refractive index | 1.4860 (estimate) |
Fp | 100 °C |
storage temp. | Store at RT. |
solubility | 0.1 M NaOH: 0.1 M at 20 °C, clear, colorless |
pka | 3.03, 3.07, 10.70(at 20ºC) |
form | Powder |
color | White |
Water Solubility | Insoluble. <0.01 g/100 mL at 23 ºC |
λmax | λ: 260 nm Amax: 1.5 |
λ: 280 nm Amax: 0.05 | |
Merck | 146,579 |
BRN | 1710776 |
CAS DataBase Reference | 139-13-9(CAS DataBase Reference) |
IARC | 2B (Vol. 48, 73) 1999 |
NIST Chemistry Reference | Nitrilotriacetic acid(139-13-9) |
EPA Substance Registry System | Nitrilotriacetic acid (139-13-9) |
Appearance | White Crystalline Powder |
Assay | 99.50% |
Nitrogen content % | 72 |
Iron content % | 0.05Max |
clarity | Qualified |
Burning residue (SO42-) % | 0.1 |
Chloride % 0.002 | 0.002 |
Sulfate (SO4) % | 0.02 |
Copper (Cu) % | 0.0005 |