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Direct Black 38

Direct Black 38 | CAS 1937-37-7 Manufacturer & Supplier in China

High-purity Direct Black 38 (CAS 1937-37-7) manufacturer in China. Offering stable industrial supply, consistent batch quality, and fast global shipping. Request Price, COA, and MSDS from Conscientia Industrial.

Product Overview

Direct Black 38 (CAS 1937-37-7), also known as Direct Black EX, Chloramine Black EX, is a versatile trisazo direct dye widely utilized in the textile, paper, and leather industries. Within the Industrial Dyes & Pigments sector, it is highly valued for its excellent affinity for cellulosic fibers and its ability to produce deep, uniform black tones. As a leading manufacturer based in China, Conscientia Industrial employs advanced synthesis and standardized salt-out technologies to ensure optimal tinctorial strength and batch-to-batch color consistency. Our product serves as a vital technical component for large-scale industrial dyeing processes and specialized ink formulations, maintaining a strict quality profile to meet international technical benchmarks for industrial-grade colorants.


Technical Specifications

  • Product Name: Direct Black 38

  • Synonyms: Direct Black EX, Chloramine Black EX

  • Category: Fine Chemicals

  • CAS Number: 1937-37-7

  • Quality Standard: In-house

  • Purity (HPLC/Dye Content): ≥98.0%

  • Molecular Formula: C34H28N9NaO7S2

  • Molecular Weight: 761.76

  • Appearance: Black powder

  • Solubility: Soluble in water

  • Water Content: ≤1.0%

  • Brand: Conscientia Industrial

  • Country of Origin: China

  • Avilability: In Stock

  • Pricing: Competitive price based on order quantity

  • Currency: USD

  • Molecular Structure:


CAS 1937-37-7 Direct Black 38 molecular structure - Conscientia Industrial China


Why Partner with Conscientia Industrial

  • Fine Chemical Expertise: Specialized in the synthesis and standardization of high-performance organic dyes and pigments.

  • Advanced Quality Control: Every batch of Direct Black 38 is verified for color strength and purity to meet rigorous industrial standards.

  • Documentation and Compliance: We provide comprehensive technical dossiers, including Certificate of Analysis (COA), MSDS, and Method of Analysis (MOA).

  • Scalable Industrial Supply: Reliable production capacity from our China facility to support your project from R&D samples to bulk industrial manufacturing.

  • Direct Source Advantage: As a primary manufacturer, we provide Direct Black 38 CAS 1937-37-7 with efficient lead times and professional direct factory technical support.


Packaging & Storage

  • Standard Packaging: 25kg/iron drum, 25kg/fiber drum, or custom packaging according to customer requirements.

  • Storage Conditions: Store in a cool, dry, and well-ventilated warehouse. Keep the container tightly sealed and protected from moisture and direct sunlight.

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


Our logistics team ensures safe delivery of Direct Black 38 CAS 1937-37-7 by courier / air / sea.


Request a Quote & COA for Direct Black 38 CAS 1937-37-7 Today.

Expert Review

Rating: 5/5
★★★★★ Adrian (Process Engineer)

The compound we purchased has demonstrated reliable quality with consistent purity and controlled water content. It has improved process stability in our large-scale synthesis.

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