|Minimum Order Quantity||50 Kilogram|
|Grade Standard||Medicine Grade|
Chemical Names: Gadopentetic acid; 80529-93-7; Gd(H2dtpa); Gadopentetic acid
Molecular Formula: C14H20GdN3O10
Molecular Weight: 547.5727 g/mol
CAS No. 80529-93-7
USE : Gadopentetic acid is a complex of gadolinium with a chelating agent, diethylenetriamine penta-acetic acid (DTPA see Pentetic Acid), that is given to enhance the image in cranial and spinal MRIs.
1.0. Appearance : White or off-white crystalline powder, odorless, hydroscopic.
2.0. Solubility : Freely soluble in water, practically insoluble in alcohol and acetone.
3.0. Clarity and colour solution: Clarity and colourless, if colored, compare with no.1 yellow standard colorimetric solution, no deeper. If turbid compare with no.1 turbidity standard solution, not deeper.
4.0. Loss of drying : Not more than 10.0%
5.0. Free DPTA and GADOLINIUM :
1) The solution should be: orange red if both DTPA and GD are ok;-if solution is orange -yellow, the DTPA excess,-if orange –violate the Gd is excess.
2) The pentetic acid:-Not more than 0.1%
3)Gd:-Not more than 0.1%
6.0. Assay : 98.0-102.0 %