2-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide

CAS 2156-29-8C16H19IN2Biochemicals & Reagents

2- [4-(Dimethylamino)styryl]-1-methylpyridinium iodide (CAS: 2156-29-8, C16H19IN2) is a bright yellow to orange crystalline powder. This compound is a fluorescent dye with a notable absorption maximum at 466 nm and distinct emission characteristics. It finds application as a laser dye and in various materials science contexts due to its luminescent properties. It is supplied by Tech Serve Solutions for research and development purposes.

IUPAC: 2-Di-1-ASP

Email us

2-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide (C16H19IN2) — chemical structure, CAS 2156-29-8; Life Science, fine chemical supplied by Tech Serve Solutions

Biochemicals and ReagentsLaser DyesMaterials ScienceWavelength Index More...

01 /Applications

Laser Dyes

This compound serves as a laser dye, emitting fluorescence with specific excitation and emission wavelengths. Its properties are valuable for tunable laser applications in scientific research.

Luminescent Materials

As a luminescent compound, it can be utilised in the development of novel optical and photonic materials. Its fluorescence is key to applications requiring light emission.

Materials Science Research

The compound's photophysical properties make it a subject of interest in materials science, particularly for studies involving organic electronics and printed electronics.

02 /Properties

Molecular weight	366.24
Empirical formula	C16H19IN2
Composition	Dye content, 95%
Melting point	280 °C (dec.)(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

2156-29-8

MDL number

MFCD00011980

PubChem substance

24856931

Beilstein registry

3776369

05 /Additional specifications

Absorption	λmax 466 nm
Fluorescence	λex 466 nm; λem 504 nm in methanolλex 475 nm; λem 589 nm in methanol

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is 2-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide used for?

2-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide is primarily used as a laser dye and in the development of luminescent materials for various scientific and materials science applications.

What are the CAS number and molecular formula?

The CAS number is 2156-29-8 and the molecular formula is C16H19IN2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this compound with a dye content of 95%. We do not represent this product as USP, BP, or EP grade.

What are the safety and handling precautions for this chemical?

This chemical is classified as a warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95, eyeshields, and gloves. Avoid breathing dust.

How is 2-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide packed, shipped, and exported?

Tech Serve Solutions packs, ships, and exports this chemical in compliance with all relevant national and international regulations for hazardous materials. Specific packaging details are available upon request.

How can I request a sample or quote?

To request a sample or a quote for 2-[4-(Dimethylamino)styryl]-1-methylpyridinium iodide, please contact our sales department through the website or by phone.