Direct Blue 71 | CAS 4399-55-7 Manufacturer & Supplier in China

Product Overview

Direct Blue 71 (CAS 4399-55-7) is a trisazo dye. It is widely utilized in textile processing, paper manufacturing, and biochemical staining applications.

Technical Specifications

• Product Name: Direct Blue 71

• Synonyms: Direct Fast Blue B2RL

• CAS Number: 4399-55-7

• Category: Fine Chemicals

• Quality Standard: In-House Specification

• Molecular Formula: C40H28N7NaO13S4

• Molecular Weight: 965.93

• Appearance: Dark blue to blackish-blue powder

• Solubility: Soluble in water

• Content: 97.0% - 103.0%

• Insoluble Matter: ≤0.5%

• Water Content: ≤0.5%

• Brand: Conscientia Industrial

• Country of Origin: China

• Availability: In Stock

• Molecular Structure:

Why Choose Conscientia Industrial

• Dye Synthesis Expertise: We are specialized in the production of complex multi-azo direct dyes with optimized solubility and exhaustion properties.

• Quality Control: Every batch of Direct Blue 71 is tested for shade consistency, strength, and impurity levels to meet international textile and industrial standards.

• Documentation and Compliance: We provide full technical support for Direct Blue 71 CAS 4399-55-7, including Certificate of Analysis (COA), MSDS, and technical data sheets (TDS).

• Production Capacity: Our China facility supports Direct Blue 71 orders ranging from R&D-scale quantities to commercial-scale quantities.

• Direct Source Advantage: As a primary manufacturer of Direct Blue 71, we deliver competitive pricing, rapid lead times, and comprehensive technical support.

Packaging & Storage

• Packaging: 25kg/drum, 25kg/carton. Customized packaging and private labeling services are available upon request.

• Storage Conditions: Store in a cool, dry, and well-ventilated warehouse. Keep the container tightly sealed and away from strong oxidizing agents and moisture.

• Shelf Life: 24 months from manufacturing date under recommended storage conditions.

• Safety Handling: This material is for research and industrial use only. Handle with proper personal protective equipment.

Shipping & Quotes

• Conscientia Industrial provides worldwide logistics solutions for Direct Blue 71 (CAS 4399-55-7), including international courier service, air freight, and sea freight.

• A complete set of shipping documents is provided to support international import and export requirements.

• Contact us today for the latest quotation, COA, MSDS, and technical documentation for Direct Blue 71 (CAS 4399-55-7).