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Disodium edetate dihydrate

Chemical Properties

Melting point 250 °C (dec.)(lit.)
Boiling point >100 °C
Density  1.01 g/mL at 25 °C
FEMA  4520 | ETHYLENEDIAMINETETRAACETIC ACID DISODIUM SALT
refractive index  n20/D 1.363
Flash point >100℃
storage temp.  room temp
solubility  3  M NaOH: 100 mg/mL
pka pK1:1.99;pK2:2.67;pK3:6.16;pK4:10.26 (25°C)
form  crystalline
color  ≤5 (0.5 M)(APHA)
Odor Odorless
PH 4.0-5.5 (25℃, 0.1M in H2O)
PH Range 4 - 5 at 10 g/l at 23 °C
Water Solubility  soluble
λmax λ: 260 nm Amax: 0.145
λ: 280 nm Amax: 0.025
BRN  3900609
Stability Stable. Incompatible with strong oxidizing agents.
InChIKey QCDUWWPHAVXXQS-UHFFFAOYSA-L
CAS DataBase Reference 6381-92-6(CAS DataBase Reference)
EPA Substance Registry System Ethylenediaminetetraacetic acid disodium salt dihydrate (6381-92-6)

Safety Information

Hazard Codes  Xi,Xn
Risk Statements  36-52/53-36/38-36/37/38-22
Safety Statements  26-61-37/39-36/37/39-36
WGK Germany  2
RTECS  AH4025000
3
TSCA  Yes
HS Code  29224995
Toxicity LD50 orally in Rabbit: > 2000 mg/kg

MSDS

Usage And Synthesis

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