Description

Hydrogen [4-[4-(Diethylamino)-α-(Disulphonato-1-Naphthyl)Benzylidene]Cyclohexa-2,5-Dien-1-Ylidene]Diethylammonium, Sodium Salt is a high-purity, water-soluble dye intermediate belonging to the cyanine dye class, characterized by its distinctive naphthyl and diethylamino functional groups. This compound is valued for its strong chromophoric properties and its role as a key precursor in synthesizing specialized dyes and pigments. It is primarily required by manufacturers in the analytical reagent, biological staining, and specialty chemical sectors for applications demanding precise colorimetric performance.

Application

• Biological Staining Agent: Used as a vital stain in microscopy and histology for cell and tissue imaging.
• Analytical Chemistry Reagent: Serves as a sensitive colorimetric indicator or probe in spectrophotometric assays and sensor development.
• Specialty Dye Intermediate: A critical precursor for the synthesis of near-infrared (NIR) dyes, cyanine dyes, and other functional colorants.
• Photographic Sensitizer: Employed in the formulation of light-sensitive layers for specialized photographic and imaging films.
• Laser Dye Precursor: Used in the research and development of tunable dye lasers and optical materials.
• Non-linear Optical Material: Investigated for use in photonic devices due to its specific molecular structure and electronic properties.

Basic Information

Product Name	Hydrogen [4-[4-(Diethylamino)-α-(Disulphonato-1-Naphthyl)Benzylidene]Cyclohexa-2,5-Dien-1-Ylidene]Diethylammonium, Sodium Salt
CAS No.	97889-87-7
Molecular Formula	C33H35N2O6S2Na
Molecular Weight	642.75 g/mol
Synonyms	1-Naphthalenesulfonic acid, 4-[4-(diethylamino)-α-[4-(diethylamino)phenyl]benzylidene]-2,5-cyclohexadien-1-ylidene]diethylammonium, inner salt, sodium salt; Sulforhodamine B derivative; Cyanine dye sodium salt; 97889-87-7; Sodium 4-[4-(diethylamino)-α-(4-(diethylamino)phenyl)benzylidene]-2,5-cyclohexadien-1-ylidene]diethylammonium-1-naphthalenesulfonate
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for sensitive applications. Each lot is tested against comprehensive specifications, including identity, assay, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark green to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, complete solution

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