4-DI-2-ASP

Synonym(s):4-Di-2-ASP

CAS NO.：105802-46-8
Empirical Formula: C18H23IN2
Molecular Weight: 394.29
MDL number: MFCD00031908
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-27 17:18:11

What is 4-DI-2-ASP?

The Uses of 4-DI-2-ASP

Some cationic mitochondrial dyes such as 4-Di-1-ASP and 4-Di-2-ASP stain presynaptic nerve terminals independent of neuronal activity.

The Uses of 4-DI-2-ASP

Reactant or reagent involved in:• ;Two-photon absorption of organic / polyoxometalate hybrid dyes1• ;Acting as an acceptor for the 1D light-harvesting antenna2• ;Functional live cell fluorescence imaging for pulmonary neuroepithelial body microenvironments3• ;Studies of solvatochromism and dipole moments of monochromophoric styrylpyridinium dyes4

The Uses of 4-DI-2-ASP

Fluorescent cationic styryl probe for mitochondrial staining

What are the applications of Application

4-(4-Diethylaminostyryl)-1-methylpyridinium iodide is a probe for mitochondrial staining

Definition

ChEBI: An organic iodide salt consisting of pyridinium iodide having a methyl substituent at the 1-position and a 4-diethylaminostyryl substituent at the 4-position.

Properties of 4-DI-2-ASP

Melting point:	214-216 °C(lit.)
storage temp.	Amber Vial, -20°C Freezer, Under inert atmosphere
solubility	DMF: soluble
form	Solid
color	Red solid
λmax	488 nm (MeOH); 484.7 nm (DMSO); 471 nm (H2O)
BRN	6101936
Major Application	Bentonite clay;characterizing supramolecular materials; visualizingmesopores and defects in porous molecular sieves;nonlinear optical devices/materials; photographicmaterials/systems;photoresists
Biological Applications	Assessing nerveultrastructure; characterizing Merkel cells andmechanosensory axons; diagnosing of Hirschsprung’sdisease; identifying neuroepithelial bodies (NEBs);investigating stability and release properties ofbiodegradable polylactic acid (PLA) particles;measuring blood cells (erythrocytes, reticulocytes, bloodplatelets);visualizing nerve terminals and myelinatedfibers

Safety information for 4-DI-2-ASP

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.