Product Overview
Basic Blue 9 (CAS 61-73-4), commonly known as Methylene Blue, is a versatile cationic dye and a potent synthetic compound with extensive applications. As a premier China manufacturer within the industrial and pharmaceutical chemical sectors, Conscientia Industrial provides high-purity Basic Blue 9. This material is widely utilized in histological staining, as a redox indicator, and as an active pharmaceutical ingredient (API) for treating methemoglobinemia and other medical applications, ensuring consistent quality and stability for global professional markets.
Technical Specifications
- Product Name: Basic Blue 9
- Synonyms: Methylene Blue
- CAS Number: 61-73-4
- Quality Standard: Industrial Grade
- Purity (HPLC): ≥98.0% (Available up to 99% for Pharma Grade)
- Molecular Formula: C16H18ClN3S
- Molecular Weight: 319.85
- Appearance: Dark green crystalline powder with a bronze luster
- Solubility: Soluble in water and ethanol
- Residue on Ignition: ≤1.2%
- Country of Origin: China
Why Choose Conscientia Industrial
- Chemical Synthesis Expertise: Specialized in the high-purity production of thiazine dyes with minimal heavy metal content.
- Advanced Quality Control: Every batch of Basic Blue 9 is verified by spectrophotometry and HPLC to meet international pharmaceutical or 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 laboratory trials to bulk industrial manufacturing.
- As a leading China manufacturer, we provide Basic Blue 9 CAS 61-73-4 with factory-direct pricing.
Packaging & Storage
- Standard Packaging: 1kg/tin, 5kg/tin, or 25kg/fiber drum with internal PE lining.
- Storage Conditions: Store in a cool, dry, well-ventilated area. Keep the container tightly sealed and protected from light and moisture.
- Safety Handling: This material should be handled by trained professionals. Avoid contact with skin and eyes as it has strong staining properties.
- Our logistics team ensures safe delivery of Basic Blue 9 CAS 61-73-4 by courier / air / sea.
Request a Quote & COA for Basic Blue 9 CAS 61-73-4 Today.



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