EDTA disodium salt dihydrate

Product Name:

FOB Reference Price:

Product name: EDTA disodium salt dihydrate

English name: English name: EDTA-2Na (EDTA Na2,EDTA Disodium Salt)

CAS NO.: 6381-92-6; 139-33-3

Molecular formula: C10H14N2Na2O8·2H2O

Molecular weight: 372.2

Properties:

It is white crystal powder; hardly soluble in organic solvents, for example, ethyl alcohol and diethyl ether.

Technical index

Item	Index(industrial grade)	Index(food and medical grade)
Appearance	white crystal powder	white crystal powder
purity %	≥99.0	≥99.5
chelating capacity(mgCaCO3/g, PH=11)	≥260	≥267
PH(50g/L 25℃)	4.0-5.0	4.0-5.0
sulfate(SO42-)%	≤0.1	≤0.01
heavy metal(as Pb)%	≤0.01	≤0.001
copper Cu %	≤0.025	≤0.0025
ferrum Fe%	≤0.01	≤0.001
chlorided (Cl)%	≤0.01	≤0.001
Nitrilotriacetic acid NTA%	--	≤0.1

Uses:

EDTA-2Na is important complexing agent. It is used as fixing bath for bleaching, dyeing auxiliary agent, fiber treatment agent,

cosmetics additive, blood anticoagulation, detergent, stabilizing agent, synthetic rubber, polymerization initiator and

quantitative analysis agent of heavy metal.

Packaging:

25kg white woven bag lined with inner plastic bag or on demand; avoid unlight, moisture and fire in storage