top of page

Acid Orange 33

Acid Orange 33 | CAS 6507-77-3 Manufacturer & Supplier in China

High-purity Acid Orange 33 (CAS 6507-77-3) manufacturer in China. Offering consistent industrial quality, stable supply, and fast global shipping. Request Price, COA, and MSDS from Conscientia Industrial.

Product Overview

Acid Orange 33 (CAS 6507-77-3) is a specialized anionic azo dye categorized under the Fine Chemicals sector. It is highly valued for its superior solubility in aqueous solutions and its technical application as a precision colorant for protein-based fibers, polyamides, and specialized leather finishing. As a leading manufacturer based in China, Conscientia Industrial utilizes advanced sulfonation and coupling synthesis protocols to ensure high tinctorial strength and excellent leveling properties. Our product serves as a vital technical component for industrial textile processing, analytical laboratory staining, and the production of high-stability chemical formulations, maintaining a strict quality profile to meet global technical requirements for batch-to-batch consistency.


Technical Specifications

  • Product Name: Acid Orange 33

  • CAS Number: 6507-77-3

  • Category: Fine Chemicals

  • Quality Standard: In-House

  • Purity/Content: ≥98.0%

  • Molecular Formula: C34H31N4NaO8S2

  • Molecular Weight: 710.75

  • Appearance: Orange to reddish-brown powder

  • Solubility: Readily soluble in water

  • Brand: Conscientia Industrial

  • Country of Origin: China

  • Availability: In Stock

  • Pricing: Competitive price based on order quantity

  • Currency: USD

  • Molecular Structure:


CAS 6507-77-3 Acid Orange 33 molecular structure - Conscientia Industrial China


Why Partner with Conscientia Industrial

  • Technical Quality Control: Our manufacturing process follows rigorous analytical protocols to ensure high-grade batch-to-batch consistency for Acid Orange 33 CAS 6507-77-3.

  • Advanced Analytical Verification: Every batch is validated through UV-Vis spectrophotometry to confirm colorimetric values and shade consistency against standard samples.

  • 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 large-scale textile manufacturing and specialty chemical distribution.

  • Direct Source Advantage: As a primary manufacturer, we provide Acid Orange 33 CAS 6507-77-3 with efficient lead times and professional direct factory technical support.


Packaging & Storage

  • Standard Packaging: 25kg/iron drum, 25kg/fiber drum, or custom woven bags with plastic 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 clumping or color degradation.

  • Safety Handling: Standard industrial safety precautions should be followed. Use appropriate PPE to avoid inhalation of dust or contact with skin and eyes.


Our logistics team ensures secure distribution of Acid Orange 33 CAS 6507-77-3 via global courier, air freight, and sea freight options.


Request a Quote & COA for Acid Orange 33 CAS 6507-77-3 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.

bottom of page