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Basic Blue 9, also known as methylthioninium chloride, is a high-purity medication and dye. It is primarily utilized in the medical field to treat methemoglobinemia, specifically for levels greater than 30% or when symptoms persist despite standard oxygen therapy. Historically, it has also been applied in various laboratory and biological indicator processes.
| Item Name | Requirements | Results |
|---|---|---|
| Assay, percent | Min 98.0 | 99 |
| Change color range | Passes | Passes |
| Solubility in ethanol test | Passes | Passes |
| Loss on drying, percent | Max 15.0 | 14.5 |
| Sulfated ash (as SO4), percent | Max 0.5 | 0.45 |
| Arsenic (As), percent | Max 0.005 | 0.005 |
| Copper (Cu), percent | Max 0.003 | 0.025 |
| Zinc (Zn), percent | Max 0.02 | 0.02 |
Methylene blue serves as a vital agent for treating methemoglobinemia resulting from toxin ingestion or certain pharmaceuticals. It functions by aiding the reduction of methemoglobin back to hemoglobin when natural enzymatic processes are overwhelmed.
Since 2010, we have specialized in the supply of high-quality pigments and dyes. With a strict quality guarantee system and professional management, we provide qualified colorants for the food, cosmetic, and pharmaceutical industries.
