Methylene Blue USP Powder – Advanced Pharma Grade Chemical Reagent
Formulated to meet the most stringent quality standards, our Methylene Blue USP Powder (Methylthioninium chloride) provides exceptional purity for critical laboratory, analytical, and diagnostic applications in its highly concentrated, dry crystalline form. Standard industrial grades often contain unacceptable levels of heavy metals and organic impurities. Manufactured and supplied by Gündüz Kimya, this premium United States Pharmacopeia (USP) grade powdered reagent guarantees ultra-low toxicity profiles, strict assay compliance, and rapid solubility. Engineered for professionals who require absolute reliability and precise concentration control, this high-purity powder delivers consistent, standardized results in your advanced research and quality control laboratories.
USP Purity Standards of the Powder
Understanding the purity profile is crucial for sensitive chemical and biological applications. Methylene Blue USP Powder is a basic thiazine dye that exhibits powerful oxidation-reduction (redox) properties. In its solid powder form, it appears as dark green, odorless crystals with a bronze luster. Complying with strict USP monographs ensures that this specific grade undergoes rigorous analytical testing to confirm the exact percentage of the active compound (minimizing hydration variances). It strictly limits moisture content, residual solvents, and heavy metal contaminants (such as zinc and arsenic) that could heavily interfere with delicate enzymatic or cellular assays when reconstituted.
Industry Applications for Methylene Blue USP Powder
The exceptional purity of this USP-grade dry reagent makes it indispensable across a wide spectrum of advanced scientific and medical-related fields where custom concentration formulations are required. This product is highly recommended for the following critical applications:
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Biological Staining and Microscopy: Serves as a foundational stain in bacteriology and histology, offering vital contrast for cellular structures (such as RNA and DNA) and acting as a primary component in preparing fresh Wright’s and Giemsa staining solutions.
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Analytical Chemistry: Functions as a highly reliable, reversible redox indicator in analytical titrations and acts as a complexing agent for the spectrophotometric determination of anionic surfactants.
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Diagnostic and Medical Research: Extensively utilized as the raw active pharmaceutical ingredient (API) equivalent in laboratory diagnostic formulations, vital staining procedures, and ongoing pharmacological research.
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Advanced Aquaculture: Employed in specialized, high-end veterinary and aquaculture formulations as a safe, high-purity anti-fungal and anti-parasitic agent for sensitive aquatic life.
MSDS, Storage, and Powder Handling Safety Guidelines
To maintain maximum chemical stability and ensure user safety, this premium grade chemical powder must be handled according to strict protocols to avoid airborne contamination. According to the Material Safety Data Sheet (MSDS) guidelines, the safety profile and physical properties are as follows:
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Chemical Identity: Methylthioninium chloride (C16H18ClN3S), USP Pharma Grade Powder.
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Handling Precautions: This product is an intense dye that will heavily stain skin, clothing, and laboratory surfaces upon contact with even minute amounts of moisture. Fine powder dust may cause mild respiratory or eye irritation if inhaled or if it makes contact with mucous membranes. Work in a draft-free environment.
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Personal Protective Equipment (PPE): Users must wear a particulate dust mask (N95 or equivalent), well-fitted nitrile gloves, chemical splash goggles, and a protective lab coat to prevent inhalation and stubborn skin staining.
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Storage and Shelf Life: Methylene Blue is highly photosensitive. The powder must be stored in a cool, dry, and well-ventilated laboratory cabinet in a tightly sealed, light-resistant (amber or opaque) container. When protected from direct light and moisture, the dry powder offers an exceptionally long and stable shelf life.
Preparation and Dissolution of the Powder
For accurate laboratory use, proper preparation of the aqueous or alcoholic solution from the dry powder is essential. Follow these standard guidelines:
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Weighing: Carefully weigh the required amount of the Methylene Blue USP Powder using a precision analytical balance. Work in a controlled, draft-free area to prevent the fine crystalline dust from spreading across the lab.
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Solvent Selection: The powder is highly soluble in water and sparingly soluble in ethanol. For biological stains and diagnostic applications, ultra-pure deionized or distilled water is strictly recommended to maintain USP purity integrity.
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Dissolution: Slowly add the powder to the solvent while stirring continuously with a magnetic stirrer. Gentle heating (do not boil) can be applied to accelerate complete dissolution of the crystals.
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Filtration: For critical microscopic or diagnostic applications, filter the final reconstituted solution through a fine laboratory filter paper to remove any potential undissolved microscopic particulates before use or bottling.
Technical Specifications
| Feature | Specification Details |
| Brand / Supplier | Gündüz Kimya (Gündüz Chemical Solutions) |
| Product Grade | USP (Pharma Grade) |
| Contact / WhatsApp | +90 542 205 10 80 |
| Chemical Name | Methylthioninium Chloride |
| Physical Form | Powder |
| Appearance | Dark Red Powder |
| Solubility | Soluble in Water, Sparingly Soluble in Ethanol |
| Storage Requirement | Store in a tightly closed, light-resistant container (Moisture sensitive) |
