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 It turns colorless in … Melting point/freezingpoint Melting point/range: 261 - 263 °C - lit. ... Phenolphthalein. Boiling Point: Not available. Vapor Pressure (mm Hg): No information found. PHYSICAL AND CHEMICAL PROPERTIES Odor: Odor Threshold: pH: Not available Not available Not available Apearance: Clear, colorless liquid Melting/Freezing Point: Initial Boiling Point and Boiling Range: Flash Point: Sweet, alcohol odor Not available Not available 5. Chemsrc provides Phenolphthalein(CAS#:77-09-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Phenolphthalein is a potent laxative, which Phenolphthalein Solution R1, EP Grade, Reagecon™ is a ready-to-use 10g/L solution used as an indicator in acid–base titrations. 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 … 1907/2006 (R EACH) ... point f) Initial boiling point and No data available boiling range g) Flash point 17 °C - closed cup ... For this purpose, the sample is dissolved in a solvent and titrated against phenolphthalein with potassium hydroxide solution. Chapter 4 (4.1.1) and prepared in an ISO 9001 facility. Available on GSA Contract (8) Application. Ventilation control of the contaminant as close to its point of generation is both the most economical and safest method to minimize personnel exposure to airborne contaminants. If the concentration of indicator is particularly strong, it can appear purple. The reagent for these acid-base titrations is prepared at 1% dissolved in 90% alcohol. Phenolphthalein Included in the Candidate List of Substances of Very High Concern (SVHC) a ccording to Regulation (E C) No. @ 760.00 mm Hg (est) Vapor Pressure: 6.700000 mmHg (est) Flash Point: 404.00 °F. Availability. Phenolphthalein is a white solid, poorly soluble in water but very soluble in acetone and ethanol. 77, No. Indicator pH 8,0-10,0 ready-to-use. Phenolphthalein is used in chemical analysis as a visual indicator in the determination of the equivalence point in neutralization reactions or acid-base titrations. Why is the melting point listed as higher than the boiling point? (est) logP (o/w): 2.410: Soluble in: water, 400 mg/L @ 25 °C (exp) water, 318.6 mg/L @ 25 °C (est) Glass Bottle; 500mL. Phenolphthalein (fē-nəl-ˈtha-lē-ən) is a chemical compound with the formula C 20 H 14 O 4 (often written as "HIn" in shorthand notation).Often used in titrations, it turns colorless in acidic solutions and pink in basic solutions. Information on Registered Substances comes from registration dossiers which have been assigned a registration number. Phenolphthalein, (C20H14O4), an organic compound of the phthalein family that is widely employed as an acid-base indicator. Phenolphthalein is a chemical that is commonly used as a colorimetric pH indicator. ChemicalBook Provide 77-09-8(Phenolphthalein)Melting Point Boiling Point Density,77-09-8(Phenolphthalein) CAS Chemical Properties MSDS. Phenolphthalein 3,3-Bis(p-hydroxyphenyl)phthalide 00077-09-8 1.2 9. 58 / Monday, March 26, 2012 / Rules and Regulations Issue date: 11/05/2004 Revision date: 03/05/2020 Supersedes: 12/12/2016 Version: 1.3 Ph. 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. Boiling Point: Not available. TCC ( 206.50 °C. ) Information for Phenolphthalein 77-09-8 including Phenolphthalein CAS NO 77-09-8, Phenolphthalein Suppliers, Phenolphthalein Manufacturers, related products of Phenolphthalein. Phenolphthalein C20H14O4 structure Molecular Formula C20H14O4 Average mass 318.323 Da Density 1.4±0.1 g/cm3 Boiling Point 557.8±50.0 °C at 760 mmHg Flash Point 206.5±23.6 °C Molar Initial boiling point and boiling range Not Available Flash point Not Available Evaporation rate Not Available Flammability (solid, gas) Flammable liquid Only free fatty acids are recorded. Freezing/Melting Point:258 - 263 deg C Decomposition Temperature:Not available. The compound has been observed to turn orange at pH 0, clear between pH 0-8.2, fuchsia between pH 8.2-12, and clear again at a pH above 12.It has been postulated that the mutagenic effects of Phenolphthalein at high doses can be attributed the enhancement intracellular free oxygen radicals. Melting Point: 258 - 262C (496 - 504F) Vapor Density (Air=1): No information found. 77, No. Phenolphthalein, ACS Safety Data Sheet according to Federal Register / Vol. 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 Boiling Point (°C) 101 - 200 (1) 201 - 300 (1) Melting Point (°C) 0 - 100 (1) 101 - 200 (2) 201 - 300 (3) Color. Specific Gravity/Density:1.299 Molecular Formula:C20H14O4 Molecular Weight:318.0956 Section 10 - Stability and Reactivity Chemical Stability: Stable under normal temperatures and pressures. Articles of Phenolphthalein … —The preceding unsigned comment was added by 74.64.65.118 16:40, 18 … Boiling point (bp) 78 °C Flash point (flp) 17 °C ADR 3 II WGK 3 UN-Nr. white (2) Feature. Evaporation Rate (BuAc=1): No information found. Phosphatase, Alkaline from bovine intestinal mucosa. 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. Chemsrc provides Phenolphthalein β-D-glucuronide(CAS#:15265-26-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Phenolphthalein will have finished changing well before the equivalence point, and methyl orange falls off the graph altogether. 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) Product details. Phenolphthalein has 4 states: - In a strongly acid medium it has an orange color (H 3 In + ). 9 Feb 2007 Error! Guidechem provides Phenolphthalein chemical database query, including CAS registy number 77-09-8, Phenolphthalein MSDS (Material Safety Data Sheet), nature, English name, manufacturer, function/use, molecular weight, density, boiling point, melting point, structural formula, etc. 201-004-7 Boiling Point: Not applicable. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. 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 The boiling point of Phenolphthalein was investigated in an OECD guideline 103 compliant study. No boiling was observed in the temperature range 25-450 °C. Melting Point: 262.50 °C. Phenolphthalein, 1% in 95% Ethanol 1. @ 760.00 mm Hg Boiling Point: 557.79 °C. 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. In the past, phenolphthalein has been used as a laxative. As an indicator of a solution’s pH, phenolphthalein is colourless below pH 8.5 and attains a pink to deep red hue above pH 9.0. Manufactured according to Eu. In solutions containing a pH below 0, phenolphthalein turns a bright orange color. cas no. PHENOLPHTHALEIN is incompatible with alkaloids. Synonym: Phenolphthalein β-D-glucosiduronic acid, Phenolphthalein glucuronic acid, Phenolphthalein mono-β-D-glucosiduronic acid Empirical Formula (Hill Notation): C 26 H … Advanced Search | Structure Search. Phenolphthalein can be prepared by reacting phenol with phthalic anhydride, in the presence of anhydrous aluminium chloride and zinc chloride. The Physical Property fields include properties such as vapor pressure and boiling point, as well as explosive limits and toxic exposure thresholds The information in CAMEO Chemicals comes from a … phenolphthalein: product identification. Phenolphthalein, 0.5% in 50% Ethanol Safety Data Sheet according to Federal Register / Vol. Phenolphthalein is sold by various chemical suppliers. The phenolphthalein indicator is added into the unknown concentration. Shop a large selection of Benzofurans products and learn more about Phenolphthalein Solution, Alcoholic, 1.0%, Fisher Chemical. Freezing/Melting Point:261 - 263 deg C Decomposition Temperature:Not available. Articles of Phenolphthalein are included as well. Solubility: Insoluble in water. 58 / Monday, March 26, 2012 / Rules and Regulations Issue date: 12/17/2013 Revision date: 07/21/2020 Supersedes: 01/23/2018 Version: 1.5 07/21/2020 EN (English US) Page 1 … 77-09-8: einecs no. The chart directly contradicts the box in the upper right hand corner which says that phenolphthalein is pink above pH 10.0. Solubility: insoluble Specific Gravity/Density:1.299 Molecular … Preparation. 1170. Find chemicals information Phenolphthalein at guidechem, professional and easy to use. Is pink above pH 10.0, professional and easy to use strong, it can appear purple C20H14O4 ) an. H 3 in + ) phenolphthalein ) CAS Chemical Properties MSDS High (... 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