Description

Fast Blue Rr Salt is a stabilized diazonium salt, a crucial chemical intermediate widely used in the production of azo dyes and pigments. Its primary value lies in its ability to couple with various aromatic compounds to create vibrant, insoluble azo colorants known for their excellent light and wash fastness. This product is essential for manufacturers in the textile, leather, ink, and specialty chemical industries seeking to produce high-performance dyes and pigments.

Application

• Primary use as a diazo component in the synthesis of azo dyes and pigments for textiles and leather.
• Key intermediate for producing insoluble azo pigments used in printing inks and paints.
• Employed in the manufacture of colorants for plastics and synthetic fibers.
• Used in laboratory and research settings for histochemical staining and diagnostic applications.
• Potential use in the synthesis of functional dyes for advanced materials.

Basic Information

Product Name	Fast Blue Rr Salt
CAS No.	14726-29-5
Molecular Formula	C13H10ClN3O3Zn
Molecular Weight	373.06 g/mol
Synonyms	Fast Blue RR Salt; 4-Benzoylamino-2,5-diethoxybenzenediazonium Zinc Chloride; 4-Benzamido-2,5-diethoxybenzenediazonium Zinc Chloride; Diazonium, (4-benzamido-2,5-diethoxyphenyl)-, zinc chloride (2:1); Azoic Diazo Component 20; Fast Blue RR; C.I. 37155
EINECS	Contact for details

Quality Control

Our Fast Blue Rr Salt is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Light beige to tan powder
Identification (IR)	Conforms to structure
Assay (Diazonium Content)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility	Soluble in polar organic solvents

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