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Direct Red 13

Direct Red 13 | CAS 1937-35-5 Manufacturer & Supplier in China

Direct Red 13 (CAS 1937-35-5) manufacturer in China. ≥98% purity, stable supply and fast shipping. Request Price, COA & MSDS from Conscientia Industrial.

Product Overview

Direct Red 13 (CAS 1937-35-5) is a versatile disazo dye primarily used in the textile, paper, and biological staining industries. As a premier China manufacturer and supplier within the Fine Chemicals sector, Conscientia Industrial provides high-purity Direct Red 13 with excellent solubility and affinity for cellulose fibers. This specialized chemical is essential for high-quality dyeing processes, laboratory pH indication, and industrial colorant applications, ensuring consistent color performance and stability for global industrial markets.


Technical Specifications

  • Product Name: Direct Red 13

  • CAS Number: 1937-35-5

  • Quality Standard: In-house / Industrial Grade

  • Purity: ≥98.0%

  • Molecular Formula: C32H22N6Na2O7S2

  • Molecular Weight: 712.66

  • Appearance: Dark red to brownish-red powder

  • Solubility: Soluble in water (red solution), slightly soluble in ethanol

  • Light Fastness: Grade 3-4

  • Country of Origin: China

  • Pricing: Competitive price based on quantity

  • Currency: USD

  • Chemical Structure:


CAS 1937-35-5 Direct Red 13 molecular structure - Conscientia Industrial China


Why Partner with Conscientia Industrial

  • Chemical Synthesis Expertise: Specialized in the production and standardization of high-performance azo dyes and functional colorants.

  • Advanced Quality Control: Every batch of Direct Red 13 is strictly tested for color strength, shade consistency, and solubility to meet industrial requirements.

  • Documentation and Compliance: We provide comprehensive technical dossiers, including Certificate of Analysis (COA), MSDS, and TDS (Technical Data Sheet).

  • Scalable Industrial Supply: Reliable production capacity from our China facility to support your project from laboratory samples to bulk industrial containers.

  • As a leading China manufacturer, we provide Direct Red 13 CAS 1937-35-5 with factory-direct pricing.


Packaging & Storage

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

  • Storage Conditions: Store in a cool, dry, and well-ventilated area. 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 Red 13 CAS 1937-35-5 by courier / air / sea.


Request a Quote & COA for Direct Red 13 CAS 1937-35-5 Today.

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