Description

Primocyanine 6Gx is a high-purity cyanine dye derivative, identified by CAS NO 3521-06-0. This specialized compound is valued for its strong fluorescence properties and photostability, making it a critical component in advanced optical and imaging applications. It is essential for research and development laboratories, as well as industrial manufacturers in the biotechnology, analytical chemistry, and materials science sectors seeking reliable, high-performance fluorescent markers and sensitizers.

Application

• Fluorescent Labeling and Staining: Used as a sensitive probe in biological assays, cell imaging, and histology.
• Optical Data Storage: Acts as a recording medium in the development of high-density optical disks and films.
• Laser Dyes and Sensitizers: Employed in the formulation of tunable dye lasers and as a photosensitizer in photodynamic therapy research.
• Non-Linear Optical Materials: A key ingredient in the synthesis of materials for photonic devices and optical limiters.
• Analytical Chemistry: Serves as a standard or reagent in fluorescence spectroscopy and chromatography detection methods.
• Textile and Specialty Inks: Provides vibrant, light-fast coloration for niche applications requiring specific optical properties.

Basic Information

Product Name	Primocyanine 6Gx
CAS No.	3521-06-0
Molecular Formula	C29H31IN2O3S
Molecular Weight	638.54 g/mol
Synonyms	Primocyanine 6G; Cyanine 6G; 2-[3-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1-propen-1-yl]-1,3,3-trimethyl-3H-indolium iodide; 3H-Indolium, 2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)-1-propenyl]-1,3,3-trimethyl-, iodide; Quinolinium, 1-ethyl-2-[3-(1-ethyl-1H-quinolin-2(4H)-ylidene)propenyl]-, iodide; Astrazon Orange G; Basic Orange 21; C.I. 48035
EINECS	Contact for details

Quality Control

Every batch of Primocyanine 6Gx is subjected to rigorous analytical testing to ensure it meets stringent purity and performance criteria. Our quality assurance protocols are designed to guarantee batch-to-batch consistency for your critical applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity 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). This product is light-sensitive (store away from light). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to bronze crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in methanol, ethanol, DMSO; slightly soluble in water
Absorption Max (λmax)	Contact for details
Emission Max (λem)	Contact for details

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