Description

Phenol Blue CAS NO 2150-58-5 is a synthetic organic dye belonging to the class of triphenylmethane dyes. This compound is valued for its distinct colorimetric properties and serves as a versatile indicator and staining agent in various analytical and research contexts. It is primarily utilized by professionals in the life sciences, analytical chemistry, and industrial quality control sectors for applications requiring precise color detection or biological staining.

Application

• Biological Staining: Used as a histological stain for microscopic examination of tissues and cells in life science research.
• pH Indicator: Functions as a colorimetric pH indicator in analytical chemistry and laboratory testing.
• Dye Intermediate: Serves as a key intermediate in the synthesis of other complex dyes and pigments.
• Analytical Reagent: Employed in specific chemical assays and diagnostic kits for detection purposes.
• Teaching & Research: Used in educational and academic research laboratories for demonstration and experimental procedures.
• Industrial Quality Control: Applied in certain manufacturing processes for color-based quality checks.

Basic Information

Product Name	Phenol Blue
CAS No.	2150-58-5
Molecular Formula	C19H15N3O
Molecular Weight	301.34 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; Aniline Blue, Spirit Soluble; Spirit Soluble Aniline Blue; Solvent Blue 5; [4-[[4-(Dimethylamino)phenyl][4-(phenylamino)-1-naphthyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride
EINECS	218-440-8

Quality Control

Our Phenol Blue is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A detailed Certificate of Analysis (COA) providing specifications for identity, purity, and related substances is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Solubility	Soluble in ethanol, methanol; sparingly soluble in water

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