Description

5-Chloro-1-Ethyl-2-[3-(5-Chloro-3-Ethyl-6-Methyl-2(3H)-Benzoxazolylidene)-1-Propenyl]-3-(4-Sulfobutyl)Benzimidazolium,Inner Salt is a specialized, high-value organic salt belonging to the benzimidazolium class, distinguished by its complex heterocyclic structure and zwitterionic nature. This compound is engineered for applications requiring precise optical and electronic properties, making it a critical intermediate in advanced material synthesis. It is primarily sought after by research institutions and industrial manufacturers in the photographic, dye, and specialty chemical sectors for its unique chromophoric characteristics.

Application

• Sensitizing Dye for Silver Halide Photography: A key component in the formulation of spectral sensitizers for photographic emulsions, extending light sensitivity into specific wavelength ranges.
• Optical Recording Media: Used in the research and development of materials for optical data storage and holography due to its light-absorbing properties.
• Non-Linear Optical (NLO) Materials: Serves as a potential building block for organic NLO crystals and polymers used in laser technology and photonic devices.
• Specialty Ink and Toner Formulations: Employed as a functional colorant or charge control agent in high-performance printing applications.
• Chemical Intermediate: Utilized in organic synthesis for constructing complex heterocyclic systems with specific electronic configurations.
• Research & Development: A valuable reference standard and starting material in academic and industrial R&D for novel functional dyes and pigments.

Basic Information

Item	Details
Product Name	5-Chloro-1-Ethyl-2-[3-(5-Chloro-3-Ethyl-6-Methyl-2(3H)-Benzoxazolylidene)-1-Propenyl]-3-(4-Sulfobutyl)Benzimidazolium,Inner Salt
CAS No.	50671-48-2
Molecular Formula	C28H33Cl2N3O4S
Molecular Weight	578.55 g/mol
Synonyms	5-Chloro-1-ethyl-2-[3-(5-chloro-3-ethyl-6-methyl-2(3H)-benzoxazolylidene)-1-propenyl]-3-(4-sulfobutyl)-1H-benzimidazolium hydroxide, inner salt; Benzimidazolium, 5-chloro-1-ethyl-2-[3-(5-chloro-3-ethyl-6-methyl-2(3H)-benzoxazolylidene)-1-propenyl]-3-(4-sulfobutyl)-, hydroxide, inner salt; Sensitizing Dye; Photographic Dye; Zwitterionic benzimidazolium dye; NK 2012 (potential trade name); Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of this high-purity specialty chemical adheres to stringent ISO 9001 quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity verification and spectroscopic methods for structural confirmation, to ensure consistent performance and batch-to-batch reliability. A detailed Certificate of Analysis (COA) documenting identity, purity, and related substance profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed in a dry environment to prevent degradation. For long-term storage, consider desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 5.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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