Description

Poly(Vinyl Alcohol), n-Methyl-4(4'-Formylstyryl)Pyridinium Methosulfate Acetal is a functionalized polymer derivative combining the film-forming properties of poly(vinyl alcohol) with the photophysical characteristics of a stilbazolium chromophore. This compound matters for its unique ability to act as a photosensitive material and a precursor for nonlinear optical (NLO) applications. It is primarily needed by researchers and manufacturers in advanced material science, particularly for developing photonic devices, holographic recording media, and specialized polymeric sensors.

Application

• Nonlinear Optical (NLO) Materials: A key component in the fabrication of polymeric films for second-harmonic generation (SHG) and electro-optic modulation.
• Holographic Data Storage: Used as a photosensitive medium in the production of volume holograms and optical data storage elements.
• Photonic Device Fabrication: Serves as a functional polymer layer in the development of optical waveguides, switches, and sensors.
• Advanced Polymer Research: Employed as a model compound for studying photo-induced charge transfer and polymer-dye interactions in material science.
• Specialty Coatings: Can be formulated into coatings with light-responsive properties for security or functional applications.

Basic Information

Product Name	Poly(Vinyl Alcohol), n-Methyl-4(4'-Formylstyryl)Pyridinium Methosulfate Acetal
CAS No.	107845-59-0
Molecular Formula	(C2H4O)x•(C16H18NO3S)y (Copolymer)
Molecular Weight	Variable (Polymer)
Synonyms	PVA-Stilbazolium Complex; Poly(vinyl alcohol)-4-[2-(4-Formylphenyl)ethenyl]-1-methylpyridinium Methosulfate Acetal; Photosensitive PVA Derivative; PVA-DASPI Complex; Nonlinear Optical Polymer PVA-DASPI; Poly(vinyl alcohol) stilbazolium dye complex; PVA functionalized with 4-[2-(4-formylphenyl)vinyl]-1-methylpyridinium methosulfate
EINECS	Contact for details

Quality Control

Our Poly(Vinyl Alcohol), n-Methyl-4(4'-Formylstyryl)Pyridinium Methosulfate Acetal is produced under controlled conditions to ensure batch-to-batch consistency for research and development purposes. While specific grades are tailored to application needs, all materials undergo rigorous quality testing. Certificates of Analysis (COA) detailing parameters such as degree of substitution, chromophore content, and spectroscopic properties are available upon request to support your material qualification process.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). For long-term stability, consider storage under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Yellow to orange powder or solid
Identification (IR)	Conforms to structure
Degree of Substitution (DS)	1 - 10 mol% (Typical, customizable)
Chromophore Content	Specification available upon request
UV-Vis Absorption (λmax)	~430 - 470 nm (in solution)
Solubility	Soluble in water, DMSO, DMF
Residual Moisture (KF)	< 5.0 %
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.