{"product_id":"rotes-methyl-natrium-solut-in-wasser-25g","title":"Red Methyl-Sodium Solut. In Water 25g","description":"\u003cp\u003e\u003cstrong\u003eMethyl red sodium salt of ind. CHEM*212725702\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical information about chemical reagents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eChemical formula: C₁₅H₁₄N₃NaO₂.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMolar mass: 291.28 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCAS number: 845-10-3\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eEC number: 212-682-9\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSynonyms: Methyl red sodium salt, Methyl red sodium salt\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePhysical state: Solid\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAppearance: Brownish-orange powder\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eColor: orange\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eOdor: odorless\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003epH value (10 g\/l, 20°C): approx. 8.2\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMelting point: 285°C\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eBoiling point: no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAutoignition temperature: no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFlash point: no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eExplosion limits: no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eVapor pressure: no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensity: no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eBulk density: approx. 360 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubility: in water - 800 g\/l (20°C); in organic solvents - no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubility in water: as per formulation\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMolar absorption coefficient: \u003cul\u003e \u003cli\u003eE (pH 6.2; 420-450 nm) ≥ 14000\u003c\/li\u003e \u003cli\u003eE (pH 4.4; 510-540 nm) ≥ 28000\u003c\/li\u003e \u003c\/ul\u003e \u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003epH color change range: 4.4 - 6.2 (red → yellow-orange)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSensitivity to pH changes: as specified\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eChromatographic homogeneity (TLC): as per formulation\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eResidue on ignition (Na₂SO₄): max. 40.0%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNet weight: Available packaging: 5 g, 25 g, 100 g, 250 g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eExamples of professional applications in various industries:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical Laboratories:\u003c\/strong\u003e pH indicator for titrations, shows a distinct color change between pH 4.4 and 6.2.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Analysis:\u003c\/strong\u003e For determining the pH of water, wastewater, and soil samples.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEducation and Teaching:\u003c\/strong\u003e Used as a classic indicator dye in analytical chemistry education.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBiotechnology and Pharmaceuticals:\u003c\/strong\u003e For visual pH monitoring in preparations requiring buffer control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHazard statements on the product label:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNone - the product is not classified as hazardous under the CLP Regulation.\u003c\/p\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eSafety information on the product label:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNot applicable - no mandatory P-phrases according to current classification.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTransport and classification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\n \u003cstrong\u003eRID\/ADR:\u003c\/strong\u003e Not applicable\u003cbr\u003e\n \u003cstrong\u003eUN number: Not applicable.\u003c\/strong\u003e \u003c\/p\u003e\n\n\u003cp style=\"\"\u003e\u003cb\u003eRecommended storage conditions:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eStore in a tightly closed container in a cool and dry place.\u003c\/li\u003e\n  \u003cli\u003eProtect from sunlight, heat sources, and moisture.\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with oxidizing substances and flammable materials.\u003c\/li\u003e\n  \u003cli\u003eObserve good laboratory practice when handling dye powder.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55048763736412,"sku":"CHEM-212725702-25g","price":71.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/624fdc9af1b5df826b7e72a78e3c0568.jpg?v=1752925853","url":"https:\/\/www.biolaboratorium.com\/en\/products\/rotes-methyl-natrium-solut-in-wasser-25g","provider":"Biolaboratorium","version":"1.0","type":"link"}