Direct Red 243 | CAS 86543-85-3 Manufacturer & Supplier in China

Product Overview

Direct Red 243 (CAS 86543-85-3), also known as Direct Red BWS, is a high-performance synthetic direct dye widely utilized within the global textile, paper, and industrial manufacturing sectors. Belonging to the advanced azo chemical classification, this specialized coloring agent is highly valued for its superior water solubility, exceptional affinity for cellulose-based substrates, and outstanding color fastness properties under various industrial processing conditions. It is engineered to deliver brilliant, stable red shades on a diverse range of materials including cotton, viscose, flax, and blended fibers. As a leading manufacturer of Direct Red 243 CAS 86543-85-3 based in China, Conscientia Industrial utilizes highly controlled synthesis techniques, multi-stage filtration, and precise standardization protocols to ensure the highest structural uniformity and pure color characteristics. Our product consistently maintains a strict technical profile, effectively meeting the stringent international standard parameters required for modern industrial dyeing application, bulk commercial printing, and specialized chemical research formulations.

Technical Specifications

• Product Name: Direct Red 243

• Synonyms: Direct Red BWS

• CAS Number: 86543-85-3

• Category: Fine Chemicals

• Quality Standard: In-House

• Molecular Formula: C38H32N10O17S4

• Molecular Weight: 1028.98

• Appearance: Reddish brown powder

• Solubility: Soluble in water, slightly soluble in ethanol

• Purity: ≥98.0%

• Strength: 100% / 150%

• Moisture Content: ≤5.0%

• Water Insoluble Matter: ≤0.5%

• Brand: Conscientia Industrial

• Country of Origin: China

• Availability: In Stock

• Pricing: Competitive price based on order quantity

• Currency: USD

• Molecular Structure:

Why Partner with Conscientia Industrial

• Pigment & Dye Expertise: Specialized in the synthesis of complex azo dyes with consistent batch-to-batch color matching.

• Technical Quality Control: Our state-of-the-art chemical manufacturing process follows rigorous analytical batch protocols to ensure high-grade consistency and precise color reproducibility for Direct Red 243 CAS 86543-85-3.

• Advanced Analytical Verification: Every single production lot is systematically validated through spectrophotometric analysis and precise laboratory testing to confirm exact chemical identity, strict purity limits, and standard relative strength.

• Full Technical Documentation: We provide comprehensive regulatory support documentation, including a detailed Certificate of Analysis (COA) for Direct Red 243 CAS 86543-85-3, complete Material Safety Data Sheets (MSDS), and standard commercial technical datasheets.

• Scalable Production Capacity: Our advanced China facility is fully equipped to support diverse project requirements, ranging from small-scale laboratory trials to continuous bulk industrial direct dye supply contracts.

• Direct Source Advantage: As a primary commercial manufacturer, we supply Direct Red 243 CAS 86543-85-3 with optimized logistics lead times, stable inventory levels, and comprehensive factory-level technical support.

Packaging & Storage

• Standard Packaging: 25kg iron drum, fiber drum, or woven bag with internal PE lining.

• Storage Conditions: Store in a cool, ventilated, and dry warehouse. Keep the container tightly sealed and away from moisture and direct sunlight to prevent color degradation.

• Shelf Life: 36 months from the date of manufacture when stored properly.

• Safety Handling: This is an industrial-grade dye intended for professional manufacturing and laboratory use.

Our global logistics department ensures reliable, safe, and efficient international distribution of Direct Red 243 CAS 86543-85-3 utilizing specialized international courier services, reliable air freight options, and secure sea freight transportation networks.

Request a Quote & COA for Direct Red 243 CAS 86543-85-3 Today.