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336408

trans-4-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide

Name: <I>trans</I>-4-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide
Brand: ALDRICH

Dye content 98 %

Synonym(s):

(E )-4-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide, Pyridinium, 4-[2-[4-(dimethylamino)phenyl]ethenyl]-1-methyl-, iodide,

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About This Item

Empirical Formula (Hill Notation):

C₁₆H₁₉IN₂

CAS Number:

68971-03-9

Molecular Weight:

366.24

NACRES:

NA.23

PubChem Substance ID:

57648873

UNSPSC Code:

12352103

MDL number:

MFCD00031907

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Properties

composition

Dye content, 98%

Quality Segment

100

mp

254-256 °C (lit.)

λ_max

475 nm

SMILES string

[I-].[H]\C(=C(\[H])c1cc[n+](C)cc1)c2ccc(cc2)N(C)C

InChI

1S/C16H19N2.HI/c1-17(2)16-8-6-14(7-9-16)4-5-15-10-12-18(3)13-11-15;/h4-13H,1-3H3;1H/q+1;/p-1

InChI key

UJNFDSOJKNOBIA-UHFFFAOYSA-M

Description

General description

trans-4-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide (DASP) is a hemicyanine dye that can be used as a fluorescence probe. Its fluorescent property can be tuned by adjusting the pH of the solution. It can be photoexcited for internal twisting that forms intermolecular charge transfer state.

trans-4-[4-(dimethylamino)-styryl]-1-methylpyridinium iodide (DASPI) is a hemicyanine dye.

Application

DASP can be used to characterize the fluorescence of zeolite crystals which can further be used in the development of photofunctional materials.

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

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