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Ethylenediaminetetraacetic acid Structure

Ethylenediaminetetraacetic acid

Chemical Properties

Melting point 250 °C (dec.) (lit.)
Boiling point 434.18°C (rough estimate)
Density  1.46 g/cm3 at 20 °C
vapor pressure  <0.013 hPa (20 °C)
refractive index  n20/D 1.363
Flash point >400°C DIN 51758
storage temp.  2-8°C
solubility  3  M NaOH: 100 mg/mL
pka pKa 2 (Uncertain);10.26 (Uncertain)
form  crystalline
color  White to almost white
Odor Odorless
PH Range 2.5 at 10 g/l at 23 °C
PH 2.5 (10g/l, H2O, 23℃)(slurry)
Water Solubility  0.5 g/L (25 ºC)
λmax λ: 280 nm Amax: ≤0.25
Decomposition  240 °C
Merck  14,3517
BRN  1716295
Stability Stable. Incompatible with copper, copper alloys, nickel, aluminium, strong oxidizing agents, strong bases
LogP -0.836 (est)
CAS DataBase Reference 60-00-4(CAS DataBase Reference)
NIST Chemistry Reference N,N'-1,2-Ethane diylbis-(N-(carboxymethyl)glycine)(60-00-4)
EPA Substance Registry System Ethylenediaminetetraacetic acid (60-00-4)

Safety Information

Hazard Codes  Xi
Risk Statements  36-52/53-36/37/38-36/38
Safety Statements  26-61-37/39-36
RIDADR  UN 3077 9 / PGIII
WGK Germany  2
RTECS  AH4025000
3
Autoignition Temperature >200 °C
TSCA  Yes
HS Code  2922 49 85
Hazardous Substances Data 60-00-4(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2580 mg/kg

MSDS

Usage And Synthesis

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