Description

Fast Blue Rr Salt-Tetrafluoroborate is a stabilized diazonium salt primarily used as a high-performance coupling agent in the synthesis of azo dyes and pigments. This compound is critical for producing intense, lightfast blue and violet colorants with excellent application properties. It is essential for manufacturers in the textile, ink, and specialty chemical industries seeking reliable and consistent color development.

Application

• Primary coupling component for the synthesis of high-value azo dyes and pigments.
• Key intermediate in the production of textile colorants for fibers like cotton, polyester, and nylon.
• Used in manufacturing printing inks, especially for packaging and security applications requiring specific hues.
• Employed in the synthesis of functional dyes for optical data storage and liquid crystal displays (LCDs).
• Acts as a reagent in histological staining for biological and medical research applications.
• Utilized in analytical chemistry as a chromogenic agent for detection and assay methods.

Basic Information

Product Name	Fast Blue Rr Salt-Tetrafluoroborate
CAS No.	1799-23-1
Molecular Formula	C13H10BF4N3O
Molecular Weight	311.04 g/mol
Synonyms	Fast Blue RR Salt; 4-Benzoylamino-2,5-diethoxybenzenediazonium Tetrafluoroborate; 4-Benzamido-2,5-diethoxybenzenediazonium Tetrafluoroborate; Diazo Fast Blue RR; C.I. 37155; Azoic Diazo Component 20; Fast Blue RR Tetrafluoroborate Salt; 2,5-Diethoxy-4-(phenylcarbonylamino)benzenediazonium Tetrafluoroborate
EINECS	217-298-1

Quality Control

Our Fast Blue Rr Salt-Tetrafluoroborate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets precise specifications for dye synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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). This material is strictly light-sensitive and easily oxidized; it must be protected from all light exposure and is best stored under an inert atmosphere such as nitrogen or argon to maintain stability and shelf life. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Light beige to tan crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Solubility	Soluble in polar aprotic solvents (e.g., DMF, acetonitrile)

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