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Disodium edetate dihydrate EDTA NA2 6381-92-6

Ethylenediaminetetraacetic acid disodium salt (also known as EDTA disodium salt) is a highly effective chelating agent that can chelate with most metal ions other than alkali metals (such as iron, copper, calcium, magnesium, and other multivalent ions) to form stable water-soluble complexes, eliminating metal ions or harmful reactions caused by them.
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  • 6381-92-6

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  • 6381-92-6

Disodium edetate dihydrate Basic information
Product Name: Disodium edetate dihydrate
CAS: 6381-92-6
MF: C10H19N2NaO9
MW: 334.26
EINECS: 613-386-6
Mol File: 6381-92-6.mol
Disodium edetate dihydrate Chemical Properties
Melting point 250 °C (dec.)(lit.)
Boiling point >100 °C
bulk density 700kg/m3
density 1.01 g/mL at 25 °C
FEMA 4520 | ETHYLENEDIAMINETETRAACETIC ACID DISODIUM SALT
refractive index n20/D 1.363
Fp >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
biological source synthetic (organic)
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)

Item

Spec.

Result

Purity

98%

99%

Sulfate

≤0.03

0.02

(Fe)

≤0.002

0.001

Heavy metals

≤0.002

0.001

Chloride

≤0.005

0.005

通用固体

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