Description

Brilliant Cresyl Blue is a synthetic phenoxazine dye with the CAS registry number 4712-70-3, widely recognized for its vibrant blue color and specific staining properties. This compound is valued for its ability to selectively bind to cellular components, making it an essential tool in diagnostic and research applications. It is primarily required by manufacturers in the biotechnology, histology, and clinical diagnostics sectors, as well as for specialized industrial staining processes.

Application

• Biological Staining: Used as a vital stain for reticulocytes in hematology and for staining RNA and Nissl substance in neuronal tissues.
• Clinical Diagnostics: A key component in manual and automated assays for counting reticulocytes, aiding in the diagnosis of anemia.
• Microscopy & Histology: Employed in cytological preparations to differentiate cellular structures under light microscopy.
• Research Reagent: Utilized in biochemistry and cell biology labs for various staining protocols and experimental studies.
• Industrial Dye: Applied in specialized coloring processes for textiles, inks, and pigments where a specific blue shade is required.
• Quality Control: Serves as a standard or reference material in the production and validation of diagnostic kits and stains.

Basic Information

Product Name	Brilliant Cresyl Blue
CAS No.	4712-70-3
Molecular Formula	C17H20ClN3O
Molecular Weight	317.81 g/mol
Synonyms	Brilliant Cresyl Blue; Brilliant Cresyl Blue ALD; C.I. 51010; C.I. Basic Blue 17; 3-Amino-7-(dimethylamino)-2-methylphenoxazin-5-ium chloride; 9-Amino-5-imino-5H-benzo[a]phenoxazine; Cresyl Blue; Brilliant Cresyl Blue G
EINECS	225-210-5

Quality Control

Our Brilliant Cresyl Blue is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability for critical applications. Each lot is tested to confirm identity, purity, and performance in standard staining assays. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, absorbance profile, and solubility is provided with every 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). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Dark green to blue powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Absorbance (λ max)	630 - 640 nm
Loss on Drying	≤ 2.0 %
Solubility (in Water)	Clear, blue solution
Heavy Metals (as Pb)	≤ 20 ppm

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