Diatrizoic acid (Amidotrizoic Acid)

Density gradient reagent for blood cell seperation. Diagnostic aid (radiopaque medium).

Synonyms:
3,5-Bis(acetylamino)-2,4,6-triiodobenzoic Acid;
2,4,6-Triiodo-3,5-diacetamidobenzoic Acid; Diatrizoic Acid; Diatrizoate; NSC 262168; Odiston; Urografin Acid; Urogranoic Acid; Urotrast

CAS No:
117-96-4
Sodium Salt: 737-31-5

Molecular Formula:
C₁₁H₁₉I₃N₂O₄

Molecular Weight:
613.91

Appearance:
White to off white solid

Purity:
≥97%

Melting Point:
>240˚C (dec.)

Solubility:
DMSO (Slightly), Methanol (Slightly)

Method for Determining Identity:
Proton NMR (DMSO-d6) Spectroscopic and Mass Spectrometric Analysis

TLC Conditions:
C18; Ethyl Acetate: Methanol: Acetic Acid = 7:3:0.5. Visualized with UV. Single spot; Rf=0.40

Elemental Analysis:
Calculated: %C:21.52, %H: 1.48,
%N: 4.56

Storage and Stability:
Lyophilized and reconstituted products are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

Toxicity and Hazards: 
All products should be handled by qualified personnel only, trained in laboratory procedures.