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Physical Information
Appearance Yellow or light yellow liquid
Density,g/cm3 1.29
Boiling point,℃ 106
Melting point,℃ -40
Flash point,℃ 389.9
Refractive index 1.4185-1.4205
Solubility Soluble in cold water, insoluble in alcohol & benzene
Specification
Items DTPA-5Na 40% DTPA-5Na 50%Appearance Yellow or light yellow liquid Yellow or light yellow liquid
Assay, % ≥40.00 ≥50.00
Chloride (Cl), % ≤0.005 ≤0.005
Sulfate (SO4), % ≤0.005 ≤0.005
Heavy metals (Pb), % ≤0.0005 ≤0.0005
Iron (Fe), % ≤0.0005 ≤0.0005
Chelating value, mgCaCO3/g ≥80 ≥100
Specific gravity, g/cm3 1.30-13.40 1.35-1.45
PH (1% solution at 25℃) 10-12 11-12
Application
DTPA-5Na can rapidly form water-soluble complexes with metal ions such as calcium, magnesium, iron, lead, copper and manganese, especially for high-valent state of metal ions complex ability, therefore it is widely used:
1) Hydrogen peroxide bleach enhancer stabilizer
2) Water softener
3) Textile printing and dyeing industry auxiliaries
4) Color photographic material processing processing bleach fixing solution
5) Analytical chemistry of the reference reagent
6) Chelating titrant
7) Daily chemical industry
8) Cosmetics industry
Packing
250kg per plastic drum, 20mt per 20’ft container
1250kg per IBC drum, 20mt per 20’ft container