Description

Capriblue CAS NO 1787-57-1 is a high-purity synthetic organic compound, specifically a triarylmethane dye derivative. This product is valued for its intense and stable blue coloration properties, making it a critical component in specialized manufacturing processes. It is primarily utilized by industries requiring precise and reliable colorants for technical applications, including analytical chemistry, specialized coatings, and research & development.

Application

• As a staining agent and biological dye in microscopy and histology for laboratory diagnostics.
• Key component in the formulation of specialized inks and toners for high-resolution printing and security marking applications.
• Used as a colorimetric indicator and tracer in various analytical chemistry and environmental testing procedures.
• Incorporated into research-grade chemical reagents and kits for life science and biotechnology applications.
• Potential use as a functional dye in the development of optical filters, sensors, and light-sensitive materials.
• Employed in quality control laboratories as a reference standard for color matching and purity analysis.

Basic Information

Product Name	Capriblue
CAS No.	1787-57-1
Molecular Formula	C25H30ClN3O3S
Molecular Weight	487.5 g/mol
Synonyms	Capri Blue; C.I. 51015; Basic Blue 7; Victoria Blue B; Victoria Blue BO; Aniline Blue; Spirit Blue; Methyl Blue O; [4-[[4-(Dimethylamino)phenyl][4-(phenylamino)-1-naphthyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride
EINECS	217-242-5

Quality Control

Our Capriblue is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes results for key parameters such as assay, absorbance, and impurity profile. Our quality commitment ensures the material meets the stringent requirements for research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark blue to greenish-blue powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Absorbance (λ max)	Conforms
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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