Trilon C

 

Product name: Trilon C
English name: 40% solution of pentasodium diethylene triaminepentaacetic acid pentasodium salt(DTPA-5Na 40% or 50%)
CAS No: 140-01-2
Molecular formula: C₁₄H₁₈N₃O₁₀Na₅
Molecular weight: 503.3
Structural formula:

 

Technical index

Item	top grade	second grade
appearance	yellow or light yellow clear liquid	yellow or light yellow clear liquid
purity(molecular weight 503.3) %	≥40.0	≥50.0
chloride(Cl)%	≤0.005	≤0.005
sulfate(as SO42-)%	≤0.005	≤0.005
heavy metal(Pb)%	≤0.0005	≤0.0005
ferrum(Fe)%	≤0.0005	≤0.0005
chelating capacity(mgCaCO3/g PH=11)	≥80	≥100
specific gravity(25℃ g/ml)	1.25-1.34	1.35-1.45
PH(1% of the solution, 25℃)	10-12	11-12

Uses

Stabilizer for hydrogen peroxide bleaching
Water softening agent
Spinning and dyeing auxiliary agent
Bleaching fixing bath for color photosensitive material
Standard reagent for analysis chemical
Chelatometry agent
Daily chemical industry
Cosmetics industry
Packaging and storage: 250kg plastic drum

【On： DTPA 】 【 Next： DTPA Sodium hydrogen ferric 】