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Good Price Phenolphthalein CAS 77-09-81
Chemical ReagentPhenolphthaleinCAS 77-09-8
Getchem Co., Ltd.
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Product Description Phenolphthalein Quick DetailsChemical Name: PhenolphthaleinCAS No.: 77-09-8Molecular Fomula: C20H14O4Molecular weight: 318.32Appearance: A white powder, practically insoluble in water, soluble in alcohol.Assay: 98.0%-101.0%(C2OHi4O4)Phenolphthalein Typical PropertiesItemSpecificationsCharacteristicsA white or almost white powder, practically insoluble in water, soluble in alcohol.Melting PointIt melts at about 260oCIdentificationA:Positive B:PositiveAppearance of solutionThe solution is clear and not more intensely coloured than reference solution Y7Related substancesLess than 0.5%Heavy metalsNot more than0.001%Acidity or alkalinityCompliesChloridesNot more than 0.01%SulphatesNot more than 0.02%Loss on dryingNot more than 0.5%Sulphated ashNot more than 0.1%Assay98.0%-101.0%(C2OHi4O4)MicroorganismTPC<1000cfu/gY and M <100cfu/gE-coli - absentStaphylococcus Aureus-AbsentPseudomonas Aeruginosa-AbsentAlbicans Saccharomyces-AbsentPhenolphthalein UsageThis product is a commonly used acid indicator, and the color change range is pH 8.2 (colorless) -10.0 (red). PhenolphthaleinPackaging and ShippingFiber Drum,25kgPhenolphthaleinStorageStore in a cool, dry place.
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