Direct Brown 1 | CAS 3811-71-0 Manufacturer and Supplier in China

Direct Brown 1 (CAS 3811-71-0) manufacturer in China. ≥90% dye content, stable supply and fast shipping. Request Price, COA & MSDS from Conscientia Industrial.

SKU: CHM-10097 分类: 品牌:

Product Overview

Direct Brown 1 (CAS 3811-71-0) is a high-performance disazo direct dye characterized by its excellent solubility and affinity for cellulose-based materials. As a premier China manufacturer and supplier within the Fine Chemicals sector, Conscientia Industrial provides high-quality Direct Brown 1 optimized for the textile, leather, and paper industries. This technical-grade colorant is engineered to provide deep, consistent brown hues with reliable color fastness, ensuring superior performance in bulk industrial dyeing and coloring processes worldwide.

Technical Specifications

  • Product Name: Direct Brown 1
  • CAS Number: 3811-71-0
  • Quality Standard: Industrial Grade / In-house
  • Dye Content: ≥90.0% (Standardized Strength)
  • Molecular Formula: C31H22N8Na2O6S
  • Molecular Weight: 680.6
  • Appearance: Brownish-black powder
  • Solubility: Soluble in water
  • pH Stability: 7.0 – 9.5
  • Light Fastness: Grade 3 – 4
  • Country of Origin: China

Why Choose Conscientia Industrial

  • Industrial Dye Expertise: Specialized in the synthesis and standardization of direct dyes for large-scale industrial applications.
  • Advanced Quality Control: Every batch of Direct Brown 1 is tested for color strength, shade consistency, and solubility to meet global industrial standards.
  • Documentation and Compliance: We provide full technical dossiers, including Certificate of Analysis (COA), MSDS, and technical data sheets (TDS).
  • Scalable Industrial Supply: Reliable production capacity from our China facility to support your needs from sample testing to bulk container shipments.
  • As a leading China manufacturer, we provide Direct Brown 1 CAS 3811-71-0 with factory-direct pricing.

Packaging & Storage

  • Standard Packaging: 25kg/iron drum, 25kg/woven bag with inner plastic lining, or custom bulk packaging.
  • 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 Brown 1 CAS 3811-71-0 by courier / air / sea.

Request a Quote & COA for Direct Brown 1 CAS 3811-71-0 Today.

CAS Number

3811-71-0

Purity

≥98.0%

Quality Standard

In-House specification

Storage

Store at room temperature

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