{"product_id":"methylene-blue-powder-25g-pharmaceutical-grade-makes-25-litres-of-0-1-solution","title":"Methylene Blue Powder – 25g Pharmaceutical Grade – Makes 25 Litres of 0.1% Solution","description":"\u003cp\u003eHigh purity Pharmaceutical Grade Methylene Blue Powder – 25 grams.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003ePremium quality, deep blue crystalline powder with strong colour strength and excellent solubility.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eProduct Details:\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e• Net weight: 25 grams\u003c\/p\u003e\n\u003cp\u003e• Grade: Pharmaceutical Grade\u003c\/p\u003e\n\u003cp\u003e• Purity: High purity\u003c\/p\u003e\n\u003cp\u003e• Appearance: Dark green\/bronze crystals (appears blue when dissolved)\u003c\/p\u003e\n\u003cp\u003e• Solubility: Fully soluble in water\u003c\/p\u003e\n\u003cp\u003e• Storage: Keep sealed, dry, away from light\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMakes 25 Litres of 0.1% Solution\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e25 grams will prepare approximately 25 litres of 0.1% methylene blue solution (1 gram per litre).\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eHow to Tell Real Methylene Blue from Fake or Low-Quality Product\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eBecause methylene blue is sometimes diluted or substituted, here are practical ways to identify quality:\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e1. Appearance of the Powder\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGenuine methylene blue powder looks dark green to bronze metallic crystals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIt does NOT look bright blue as a dry powder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVery light blue powder can indicate low purity or textile dye grade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e2. Colour in Water\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhen dissolved, real methylene blue produces a deep, intense royal blue colour\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe solution should be clear and evenly coloured\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCloudiness or sediment may indicate impurities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e3. Solubility Test\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-grade methylene blue dissolves easily in distilled water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignificant residue suggests fillers or contamination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e4. Vitamin C (Ascorbic Acid) Reduction Test – Simple Authenticity Check\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a reliable redox test:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003ePrepare a dilute blue methylene blue solution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdd a small amount of Vitamin C (ascorbic acid) powder.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGenuine methylene blue will turn clear (colorless) as it is reduced to leucomethylene blue.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShake the container — exposure to oxygen may gradually turn it blue again.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIf the solution does not turn clear after adding vitamin C, it may not be genuine methylene blue or may be heavily diluted.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e5. Staining Strength\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eA very small amount should strongly stain paper or fabric\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeak staining power suggests dilution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e6. Smell\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePure methylene blue has little to no strong odour\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStrong chemical smell may indicate contamination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ChemicalShop","offers":[{"title":"Default Title","offer_id":43574461104193,"sku":null,"price":579.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5360\/9025\/files\/549D079E-8680-459B-A23F-877673FE190B.png?v=1771651114","url":"https:\/\/www.chemicalshop.com.au\/products\/methylene-blue-powder-25g-pharmaceutical-grade-makes-25-litres-of-0-1-solution","provider":"ChemicalShop","version":"1.0","type":"link"}