Technical Data
4,4-Diaminostilbene-2,2-disulfonic Acid, 95+% (DASDA, Amsonic Acid)
Molecular Biology Storage: -20CShipping: RT
Purity: ~90%

Melting Point: >300C

Solubility: Alkaline Water

TLC conditions:
SiO2; Ethanol: NH4OH: Ethyl Acetate; 7:3:1; Visualized with UV and AMCS; Rf=0.35.

Method for determining Identity:Proton NMR Spectroscopic Analysis

Storage and Stability:
May be stored at RT for short-term only. Long-term storage is recommended at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.

Molecular Formula:
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.
Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.