{"product_id":"fisher-chemical-phenolphthalein-solution-0-2-in-methylated-spirit","title":"Fisher Chemical Phenolphthalein Solution 0.2% In Methylated Spirit","description":"\u003ch4\u003e\u003cstrong\u003ePhenolphthalein Solution 0.2%\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"88\" data-end=\"436\" class=\"\"\u003ePhenolphthalein solution (0.2%) is a\u003cstrong\u003e commonly used pH indicator\u003c\/strong\u003e in \u003cstrong\u003eacid-base titrations. I\u003c\/strong\u003et is a colorless, clear solution that turns pink in basic solutions (typically above\u003cstrong\u003e pH 8.2\u003c\/strong\u003e) and remains \u003cstrong\u003ecolorless in acidic environments. \u003c\/strong\u003eThis concentration is typically prepared by dissolving phenolphthalein in ethanol or alcohol, then diluting with water.\u003c\/p\u003e\n\u003chr data-start=\"438\" data-end=\"441\" class=\"\"\u003e\n\u003ch3 data-start=\"443\" data-end=\"466\" class=\"\"\u003e\u003cstrong data-start=\"447\" data-end=\"466\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"467\" data-end=\"875\"\u003e\n\u003cli data-start=\"467\" data-end=\"505\" class=\"\"\u003e\n\u003cp data-start=\"469\" data-end=\"505\" class=\"\"\u003e\u003cstrong data-start=\"469\" data-end=\"487\"\u003eChemical Name:\u003c\/strong\u003e Phenolphthalein\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"506\" data-end=\"567\" class=\"\"\u003e\n\u003cp data-start=\"508\" data-end=\"567\" class=\"\"\u003e\u003cstrong data-start=\"508\" data-end=\"526\"\u003eConcentration:\u003c\/strong\u003e 0.2% w\/v (0.2 g in 100 mL of solution)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"568\" data-end=\"618\" class=\"\"\u003e\n\u003cp data-start=\"570\" data-end=\"618\" class=\"\"\u003e\u003cstrong data-start=\"570\" data-end=\"585\"\u003eCAS Number:\u003c\/strong\u003e 77-09-8 (pure phenolphthalein)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"619\" data-end=\"677\" class=\"\"\u003e\n\u003cp data-start=\"621\" data-end=\"677\" class=\"\"\u003e\u003cstrong data-start=\"621\" data-end=\"638\"\u003eSolvent Base:\u003c\/strong\u003e Usually ethanol (95%) or isopropanol\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"678\" data-end=\"721\" class=\"\"\u003e\n\u003cp data-start=\"680\" data-end=\"721\" class=\"\"\u003e\u003cstrong data-start=\"680\" data-end=\"695\"\u003eAppearance:\u003c\/strong\u003e Clear, colorless liquid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"722\" data-end=\"787\" class=\"\"\u003e\n\u003cp data-start=\"724\" data-end=\"787\" class=\"\"\u003e\u003cstrong data-start=\"724\" data-end=\"748\"\u003epH Transition Range:\u003c\/strong\u003e pH 8.2 (colorless) to pH 10.0 (pink)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"788\" data-end=\"875\" class=\"\"\u003e\n\u003cp data-start=\"790\" data-end=\"875\" class=\"\"\u003e\u003cstrong data-start=\"790\" data-end=\"813\"\u003eStorage Conditions:\u003c\/strong\u003e Store in a tightly closed container, away from light and heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"877\" data-end=\"880\" class=\"\"\u003e\n\u003ch3 data-start=\"882\" data-end=\"895\" class=\"\"\u003e\u003cstrong data-start=\"886\" data-end=\"895\"\u003eUses:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"896\" data-end=\"1287\"\u003e\n\u003cli data-start=\"896\" data-end=\"969\" class=\"\"\u003e\n\u003cp data-start=\"898\" data-end=\"969\" class=\"\"\u003e\u003cstrong data-start=\"898\" data-end=\"923\"\u003eAcid–Base Titrations:\u003c\/strong\u003e As a visual pH indicator to detect endpoint\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"970\" data-end=\"1048\" class=\"\"\u003e\n\u003cp data-start=\"972\" data-end=\"1048\" class=\"\"\u003e\u003cstrong data-start=\"972\" data-end=\"1003\"\u003eEducational Demonstrations:\u003c\/strong\u003e In chemistry labs for teaching pH concepts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1049\" data-end=\"1126\" class=\"\"\u003e\n\u003cp data-start=\"1051\" data-end=\"1126\" class=\"\"\u003e\u003cstrong data-start=\"1051\" data-end=\"1068\"\u003eSoap Testing:\u003c\/strong\u003e In titration of fatty acids or saponification reactions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1127\" data-end=\"1208\" class=\"\"\u003e\n\u003cp data-start=\"1129\" data-end=\"1208\" class=\"\"\u003e\u003cstrong data-start=\"1129\" data-end=\"1153\"\u003eCleaning Validation:\u003c\/strong\u003e Sometimes used in pharmaceutical industry procedures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1209\" data-end=\"1287\" class=\"\"\u003e\n\u003cp data-start=\"1211\" data-end=\"1287\" class=\"\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1232\"\u003eForensic Testing:\u003c\/strong\u003e Part of Kastle-Meyer test for blood (in alkaline form)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1289\" data-end=\"1292\" class=\"\"\u003e\n\u003ch3 data-start=\"1294\" data-end=\"1311\" class=\"\"\u003e\u003cstrong data-start=\"1298\" data-end=\"1311\"\u003eFeatures:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1312\" data-end=\"1816\"\u003e\n\u003cli data-start=\"1312\" data-end=\"1386\" class=\"\"\u003e\n\u003cp data-start=\"1314\" data-end=\"1386\" class=\"\"\u003e✅ \u003cstrong data-start=\"1316\" data-end=\"1338\"\u003eSharp color change\u003c\/strong\u003e – Makes endpoint detection easy in titrations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1387\" data-end=\"1455\" class=\"\"\u003e\n\u003cp data-start=\"1389\" data-end=\"1455\" class=\"\"\u003e✅ \u003cstrong data-start=\"1391\" data-end=\"1412\"\u003eColorless to pink\u003c\/strong\u003e – Clear visual contrast around pH 8.2–10\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1456\" data-end=\"1529\" class=\"\"\u003e\n\u003cp data-start=\"1458\" data-end=\"1529\" class=\"\"\u003e✅ \u003cstrong data-start=\"1460\" data-end=\"1482\"\u003eSimple preparation\u003c\/strong\u003e – Easily diluted from phenolphthalein powder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1530\" data-end=\"1605\" class=\"\"\u003e\n\u003cp data-start=\"1532\" data-end=\"1605\" class=\"\"\u003e✅ \u003cstrong data-start=\"1534\" data-end=\"1564\"\u003eStable in alcohol solution\u003c\/strong\u003e – Long shelf life when properly stored\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1606\" data-end=\"1677\" class=\"\"\u003e\n\u003cp data-start=\"1608\" data-end=\"1677\" class=\"\"\u003e✅ \u003cstrong data-start=\"1610\" data-end=\"1651\"\u003eWidely used in education and industry\u003c\/strong\u003e – Reliable and low-cost\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1678\" data-end=\"1742\" class=\"\"\u003e\n\u003cp data-start=\"1680\" data-end=\"1742\" class=\"\"\u003e⚠️ \u003cstrong data-start=\"1683\" data-end=\"1711\"\u003eFlammable (ethanol base)\u003c\/strong\u003e – Keep away from open flames\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1743\" data-end=\"1816\" class=\"\"\u003e\n\u003cp data-start=\"1745\" data-end=\"1816\" class=\"\"\u003e⚠️ \u003cstrong data-start=\"1748\" data-end=\"1776\"\u003eMildly toxic if ingested\u003c\/strong\u003e – Use proper PPE and handle with care\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fisher Chemical","offers":[{"title":"500 mL \/ Yellow \/ Unit \/ New - Unopened (Sealed) \/ 30-06-2026","offer_id":51516263629127,"sku":"10579190","price":27.27,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/7245\/8055\/files\/convert_f6e414ba-041b-49d2-9913-bb5ac41f7be8.png?v=1745939523","url":"https:\/\/checkout.wasteless.bio\/products\/fisher-chemical-phenolphthalein-solution-0-2-in-methylated-spirit","provider":"Wasteless Bio","version":"1.0","type":"link"}