{"product_id":"azul-de-metileno-en-polvo-1-kg","title":"Methylene blue powder – 1 kg professional size (CAS 61-73-4)","description":"\u003cp\u003e\u003cstrong\u003eMethylene blue powder, 1 kg\u003c\/strong\u003e: methylthioninium chloride (CAS 61-73-4) in a 1 kg professional container, aimed at formulators, training centres and distributors.\u003c\/p\u003e\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMethylene blue (methylthioninium chloride)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCAS No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e61-73-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpaque airtight jar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eTechnical uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePreparation of staining solutions on a large scale\u003c\/li\u003e\n\u003cli\u003eTechnical supply and formulation\u003c\/li\u003e\n\u003cli\u003eResale in smaller sizes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eContents and packaging\u003c\/h2\u003e\u003cp\u003eOne 1 kg airtight jar. Keep closed, dry and protected from light.\u003c\/p\u003e\u003ch2\u003eA size designed for volume\u003c\/h2\u003e\u003cp\u003eMethylene blue is a classic dye used in staining and teaching microscopy. As a powder it packs the maximum amount of product into the minimum space: from this jar you can prepare large quantities of aqueous solution at whatever concentration each process requires. It is the right size for those who prepare their own staining solutions, for training centres with continuous consumption and for distributors who repack into smaller containers.\u003c\/p\u003e\u003ch2\u003eSizes and alternatives\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall powder size\u003c\/strong\u003e: \u003ca href=\"\/en-de\/products\/azul-de-metileno-en-polvo\"\u003esealed 2 g and 5 g tube\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlready dissolved\u003c\/strong\u003e: \u003ca href=\"\/en-de\/products\/azul-metileno-1-cuentagotas-tecnico\"\u003emethylene blue 1 % aqueous solution\u003c\/a\u003e with pipette.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor staining\u003c\/strong\u003e: \u003ca href=\"\/en-de\/products\/kit-tincion-azul-de-metileno-1-100-ml-lugol-2-100-ml\"\u003eStaining Pack with methylene blue 1 % and Lugol 2 %\u003c\/a\u003e and \u003ca href=\"\/en-de\/collections\/lugol-2\"\u003eLugol 2 %\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContainers for repacking\u003c\/strong\u003e: \u003ca href=\"\/en-de\/products\/botella-ambar-tapon-dosificador\"\u003eamber glass bottle with dispensing cap\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eThe full range in the \u003ca href=\"\/en-de\/collections\/azul-metileno\"\u003emethylene blue\u003c\/a\u003e collection and in \u003ca href=\"\/en-de\/collections\/b2b-y-granel\"\u003eB2B and bulk\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eStorage and handling\u003c\/h2\u003e\u003cp\u003eKeep the jar tightly closed, in a dry, cool place protected from light. It is a very intense dye: handle it with gloves, avoid raising dust and protect surfaces, as it stains skin, fabrics and many materials.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eHow much 1 % solution does 1 kg make?\u003c\/h3\u003e\u003cp\u003e100 litres of 1 % solution.\u003c\/p\u003e\u003ch3\u003eHow should it be stored once opened?\u003c\/h3\u003e\u003cp\u003eClosed after each use, in a dry place protected from light. Moisture cakes the powder, so always use dry utensils.\u003c\/p\u003e\u003ch3\u003eDo you issue invoices with VAT shown separately?\u003c\/h3\u003e\u003cp\u003eYes, on every order. It is shipped from Spain in protective packaging.\u003c\/p\u003e\u003ch2\u003eSafety and responsible use\u003c\/h2\u003e\u003cp\u003eKeep out of the reach of children. Sale restricted to adults (18+). Handle with gloves in a ventilated area. Safety data sheet (SDS) available on request.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEU responsible person:\u003c\/strong\u003e GRUPO SETEYTE SLU · Carril de los Pamies 1, 30130 Beniel (Murcia), Spain · NIF B73935769.\u003c\/p\u003e","brand":"aquapurelife","offers":[{"title":"Default Title","offer_id":53935470936397,"sku":null,"price":589.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/7589\/0509\/files\/ChatGPTImage18may2026_18_33_46.png?v=1779122080","url":"https:\/\/aquapurelife.es\/en-de\/products\/azul-de-metileno-en-polvo-1-kg","provider":"Aquapurelife","version":"1.0","type":"link"}