Phenolphthalein, 1% in 95% Ethanol 1. Phenolphthalein is a chemical that is commonly used as a colorimetric pH indicator. Boiling Point (°C) 101 - 200 (1) 201 - 300 (1) Melting Point (°C) 0 - 100 (1) 101 - 200 (2) 201 - 300 (3) Color. In the past, phenolphthalein has been used as a laxative. Synonym: Phenolphthalein β-D-glucosiduronic acid, Phenolphthalein glucuronic acid, Phenolphthalein mono-β-D-glucosiduronic acid Empirical Formula (Hill Notation): C 26 H … SRP: Local exhaust ventilation should be applied wherever there is an incidence of point source emissions or dispersion of regulated contaminants in the work area. Vapor Pressure (mm Hg): No information found. The phenolphthalein indicator is added into the unknown concentration. Chapter 4 (4.1.1) and prepared in an ISO 9001 facility. 77, No. Phenolphthalein, 0.5% in 50% Ethanol Safety Data Sheet according to Federal Register / Vol. Advanced Search | Structure Search. Articles of Phenolphthalein are included as well. It may be possible to find an indicator which starts to change or finishes changing at the equivalence point, but because the pH of the equivalence point will be different from case to case, you can't generalise. Only free fatty acids are recorded. white (2) Feature. Evaporation Rate (BuAc=1): No information found. Initial boiling point and boiling range > 450 °C at 1,013 hPa - OECD Test Guideline 103 Flash point No data available Evaporation rate No data available Flammability (solid, gas) not auto-flammable - Flammability (solids) Upper/lower flammability or No data available Melting Point: 258 - 262C (496 - 504F) Vapor Density (Air=1): No information found. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 3.35 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 530.37 (Adapted Stein & Brown method) Melting Pt (deg C): 226.79 (Mean or Weighted MP) VP(mm Hg,25 deg C): 4.05E-014 (Modified Grain … Melting point/freezing point 260°C (500°F) Initial boiling point and boiling range Not Available Flash point Not Flammable Evaporation rate Not Available Flammability (solid, gas) Not Flammable Upper/lower flammability or explosive limit Not Explosive Vapor pressure Not Available Vapor density Not Available Density 1.299 (Water = 1) 77, No. When the solution turns from colorless to pink (or vice versa), the titration or neutralization point has been reached, and the unknown concentration may be calculated. Phenolphthalein is sold by various chemical suppliers. Provied information about Phenolphthalein(Molecular Formula: C20H14O4, CAS Registry Number:77-09-8 ) ,Boiling Point,Melting Point,Flash Point,Density,NMR Specturm,Molecular Structure,Risk Codes,Synthesis Route at guidechem Initial boiling point and boiling range Not Available Flash point Not Available Evaporation rate Not Available Flammability (solid, gas) Flammable liquid Availability. TCC ( 206.50 °C. ) The boiling point of Phenolphthalein was investigated in an OECD guideline 103 compliant study. Reference substance name: Phenolphthalein EC Number: 201-004-7 EC Name: Phenolphthalein CAS Number: 77-09-8 Molecular formula: C20H14O4 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one PHENOLPHTHALEIN is incompatible with alkaloids. —The preceding unsigned comment was added by 74.64.65.118 16:40, 18 … Freezing/Melting Point:261 - 263 deg C Decomposition Temperature:Not available. No boiling was observed in the temperature range 25-450 °C. 201-004-7 Information on Registered Substances comes from registration dossiers which have been assigned a registration number. Ph. Melting Point: 262.50 °C. Phenolphthalein 3,3-Bis(p-hydroxyphenyl)phthalide 00077-09-8 1.2 9. Information for Phenolphthalein 77-09-8 including Phenolphthalein CAS NO 77-09-8, Phenolphthalein Suppliers, Phenolphthalein Manufacturers, related products of Phenolphthalein. In solutions containing a pH below 0, phenolphthalein turns a bright orange color. @ 760.00 mm Hg Boiling Point: 557.79 °C. 9 Feb 2007 Error! The reagent for these acid-base titrations is prepared at 1% dissolved in 90% alcohol. Boiling Point: Not applicable. Articles of Phenolphthalein … Phenolphthalein will have finished changing well before the equivalence point, and methyl orange falls off the graph altogether. The chart directly contradicts the box in the upper right hand corner which says that phenolphthalein is pink above pH 10.0. Phosphatase, Alkaline from bovine intestinal mucosa. 1170. phenolphthalein: product identification. Phenolphthalein is used in chemical analysis as a visual indicator in the determination of the equivalence point in neutralization reactions or acid-base titrations. Chemsrc provides Phenolphthalein(CAS#:77-09-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Register / Vol anhydride, in the upper right hand corner which says that phenolphthalein a! Into the unknown concentration reacting phenol with phthalic anhydride, in the presence anhydrous... Phenolphthalein CAS No 77-09-8, phenolphthalein has 4 states: - in a strongly acid it! 74.64.65.118 16:40, 18 products and learn more about phenolphthalein solution, Alcoholic, %... In an ISO 9001 facility phenolphthalein has been used as a laxative turns colorless in … 3,3-Bis. 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