{"product_id":"phenolphthalein-10kg","title":"Phenolphthalein 10kg","description":"\u003cp\u003e\u003cstrong\u003ePhenolphthalein ind. CHEM*214145003\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical information about chemical reagents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChemical name: Phenolphthalein (3,3-Bis-(4-hydroxyphenyl)phthalide).\u003c\/li\u003e\n  \u003cli\u003eChemical formula: \u003csub\u003eC20H14O4\u003c\/sub\u003e\n\u003c\/li\u003e\n  \u003cli\u003eMolar mass: 318.33 g\/mol\u003c\/li\u003e\n  \u003cli\u003eCAS number: 77-09-8\u003c\/li\u003e\n  \u003cli\u003eEC number: 201-004-7\u003c\/li\u003e\n  \u003cli\u003eCatalog number: CHEM*214145003\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePhysicochemical properties:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForm: solid, fine crystalline powder\u003c\/li\u003e\n  \u003cli\u003eColor: white or light yellow\u003c\/li\u003e\n  \u003cli\u003eOdor: faint\u003c\/li\u003e\n  \u003cli\u003eMelting point: 258-263°C\u003c\/li\u003e\n  \u003cli\u003eDensity: approx. 1.3 g\/cm³\u003c\/li\u003e\n  \u003cli\u003eBulk density: approx. 350-450 kg\/m³\u003c\/li\u003e\n  \u003cli\u003eSolubility in water: practically insoluble\u003c\/li\u003e\n  \u003cli\u003eSolubility in ethanol: approx. 14 g\/l (20°C)\u003c\/li\u003e\n  \u003cli\u003eSolubility in other solvents: slightly soluble in acetone, soluble in diethyl ether\u003c\/li\u003e\n  \u003cli\u003eMolar absorption coefficient: E(pH 9.8; 540-560 nm) min. 21000\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAdditional quality parameters:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolubility in ethanol: as required\u003c\/li\u003e\n  \u003cli\u003eSensitivity to pH change: as specified\u003c\/li\u003e\n  \u003cli\u003eChromatographic homogeneity (TLC): as required\u003c\/li\u003e\n  \u003cli\u003eResidue on ignition: max. 0.2%\u003c\/li\u003e\n  \u003cli\u003eColor change depending on pH: colorless below pH 8.2, red-violet above pH 10.0\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eExamples of professional applications in various industries:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAnalytical laboratories - as a classic pH indicator in alkalimetry and titration determinations.\u003c\/li\u003e\n  \u003cli\u003eEducation and didactics - for demonstrating color change depending on solution reaction.\u003c\/li\u003e\n  \u003cli\u003eChemical industry - for quality control and alkalinity testing of solutions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHazard warnings (H):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eH341 - Suspected of causing genetic defects.\u003c\/li\u003e\n  \u003cli\u003eH350 - May cause cancer.\u003c\/li\u003e\n  \u003cli\u003eH361f - Suspected of damaging fertility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrecautionary measures (P):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eP201 - Obtain special instructions before use.\u003c\/li\u003e\n  \u003cli\u003eP280 - Wear protective gloves\/protective clothing\/eye protection\/face protection.\u003c\/li\u003e\n  \u003cli\u003eP308+P313 - If exposed or concerned: Get medical advice\/attention.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended storage conditions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eStore in tightly closed containers in a dry and cool place.\u003c\/li\u003e\n  \u003cli\u003eProtect from light, moisture and heat sources.\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with acids, alkalis and oxidizing substances.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55056640115036,"sku":"CHEM-214145003-10kg","price":1841.16,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/488ff572b4df09a2557c273e94fb9937.jpg?v=1753010937","url":"https:\/\/biolaboratoriuhot.com\/en\/products\/phenolphthalein-10kg","provider":"Biolaboratorium","version":"1.0","type":"link"}