2-(4-dimethylaminostyryl)-1-ethylpyridinium iodide

Modify Date: 2025-08-28 20:23:40

2-(4-dimethylaminostyryl)-1-ethylpyridinium iodide Structure
2-(4-dimethylaminostyryl)-1-ethylpyridinium iodide structure
Common Name 2-(4-dimethylaminostyryl)-1-ethylpyridinium iodide
CAS Number 3785-01-1 Molecular Weight 380.26700
Density N/A Boiling Point N/A
Molecular Formula C17H21IN2 Melting Point 267ºC (dec.)(lit.)
MSDS Chinese USA Flash Point N/A
Symbol GHS07
GHS07
Signal Word Warning

 Use of 2-(4-dimethylaminostyryl)-1-ethylpyridinium iodide


DASPEI is a fluorescent dye. DASPEI is a styryl dye that stains mitochondria of live cells. DASPEI has a large fluorescence Stokes shift and is taken up relatively slowly as a function of membrane potential[1].

 Names

Name 2-(4-dimethylaminostyryl)-1-ethylpyridinium iodide
Synonym More Synonyms

  Biological Activity

Description DASPEI is a fluorescent dye. DASPEI is a styryl dye that stains mitochondria of live cells. DASPEI has a large fluorescence Stokes shift and is taken up relatively slowly as a function of membrane potential[1].
Related Catalog
References

[1]. E M Leise. Selective retention of the fluorescent dye DASPEI in a larval gastropod mollusc after paraformaldehyde fixation. Microsc Res Tech. 1996 Apr 15;33(6):496-500.

 Chemical & Physical Properties

Melting Point 267ºC (dec.)(lit.)
Molecular Formula C17H21IN2
Molecular Weight 380.26700
Exact Mass 380.07500
PSA 7.12000
LogP 0.23440

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UU3971000
CHEMICAL NAME :
Pyridinium, 2-(p-(dimethylamino)styryl)-1-ethyl-, iodide
CAS REGISTRY NUMBER :
3785-01-1
LAST UPDATED :
199712
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C17-H21-N2.I
MOLECULAR WEIGHT :
380.30
WISWESSER LINE NOTATION :
T6KJ A2 B1U1R DN1&1 &I

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
17800 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#02331

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases 36/37/38
Safety Phrases 26-36
RIDADR NONH for all modes of transport
RTECS UU3971000

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The role of efflux systems and the cell envelope in fluorescence changes of the lipophilic cation 2-(4-dimethylaminostyryl)-1-ethylpyridinium in Escherichia coli.

Biochim. Biophys. Acta 1278(2) , 205-12, (1996)

The interaction of the fluorescent dye 2-(4-dimethylaminostyryl)-1-ethlypyridinium cation (DMP+) with cells of Escherichia coli AN120 (uncA) and AS-1 (acrA) was studied to elucidate the role of the en...

 Synonyms

GNF-Pf-1399
2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide
GNF-Pf-4643
4-[2-(1-ethylpyridin-1-ium-2-yl)ethenyl]-N,N-dimethylaniline,iodide
GNF-Pf-2708
MFCD00011994
EINECS 223-248-3
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