Technical Data
4,4'-Diisothiocyano-2,2'-stilbenedisulfonic Acid, Disodium Salt (DIDS)
Molecular Biology Storage: -20CShipping: RT
Stilbene disulfonates have been employed to inhibit anion transport in a large number of mammalian cell types (GABA, Cl-). Some stilbene disulfonates can bind specifically

Melting Point: >900C

Atmosphere: Inert gas

Solubility: DMSO, Methanol

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

TLC Conditions:
C18 (Reverse Phase); Isopropanol: Water: NH4OH = 10: 0.5:0.5; Visualized with UV and KMnO4; Single spot; Rf=0.4

Sodium Content:

Elemental Analysis:
C:37.22%; H:1.86%; N:5.40%
(~3/4 H2O)

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. Store under inert atmosphere.

Toxicity and Hazards:
Due to the potential danger associated with the use of some of United States Biological biochemicals, all products should be handled by qualified personnel only, trained in laboratory procedures, and familiar with potential hazards. Information is not available on the possible hazards of many experimental compounds. The absence of a warning must not be interpreted as indication of safety. The ultimate responsibility for the proper handling of any and all chemicals lies with the user. All goods sold by United States Biological carry the condition that liability for any injury, loss or damage whatsoever to persons or real property resulting from the handling of the said goods lies with the user. Acceptance of our goods binds the customer to these terms.

CAS Number:

Molecular Formula:

Molecular Weight:
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.