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phenolphthalein melting point

The conjugation is disrupted in acidic solutions resulting in a clear solution. 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. The Enthalpy of Fusion of Phenolphthalein is . In chemical analysis it is used as an indicator of acid-base titrations, its turning point being around the pH value of 8.2 – 8.3, making the color transition from colorless to pink. 58 / Monday, March 26, 2012 / Rules and Regulations ... Melting point : No data available Freezing point : No data available Boiling point : No data available Flash point : No data available Quantity Value Units Method Reference Comment; T fus: 534.7: K: N/A: Bebie, 1930: Uncertainty assigned by TRC = 2. 3,3-Bis(4-hydroxyphenyl)phthalide; Fenolftalein Melting point. Contact Seller Ask for best deal. hematology (2) histology (2) titration (1) Microorganism Suitability. In short, it can be written as "HIn" or "phph" ... Melting Point… Freezing/Melting Point:258 - 263 deg C Decomposition Temperature:Not available. In solutions containing a pH below 0, phenolphthalein turns a bright orange color. Melting point: mp 255-260° Density: d 420 1.290-1.296 CAUTION: Phenolphthalein is reasonably anticipated to be a human carcinogen: Report on Carcinogens, Eleventh Edition … ... Phenolphthalein solution 0.375% in methanol. Boiling point (bp) 78 °C Flash point (flp) 17 °C ADR 3 II WGK 3 UN-Nr. Indicator pH 8,0-10,0 ready-to-use. The test item has a mean melting point of 263.7 °C. Get Latest Price. 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. Buy Phenolphthalein (263°C) Melting Point Standard online at LGC Standards, high-quality reference standards for pharmaceutical testing. If the concentration of indicator is particularly strong, it can appear purple. Chemsrc provides Phenolphthalein(CAS#:77-09-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Phenolphthalein: EINECS: 201-004-7 CAS No. Ph Eur - Find MSDS or SDS, a COA, data sheets and more information. Applications. The Hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents.The information in CAMEO Chemicals comes from a variety of data sources. Articles of Phenolphthalein … Information on Registered Substances comes from registration dossiers which have been assigned a registration number. Add a Physical Property of Phenolphthalein. Solubility: Insoluble in water. 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. Phenolphthalein 1. Phenolphthalein CAS 77-09-8 indicator ACS,Reag. Conditions: @ 534. Phenolphthalein will have finished changing well before the equivalence point, and methyl orange falls off the graph altogether. Initial boiling point and boiling range 172 °F (78 °C) Flash point 75 °F (24 °C) P-M(CC) Evaporation rate Slower than Ether Flammability (solid, gas) Not applicable. It belongs to the class of dyes known as phthalein dyes. Phenolphthalein is a slightly acidic compound, hence considered a weak acid. Flammability limit - upper (%) Not available. Clostridium spp. Weight Average: 318.3228 Monoisotopic: 318.089208936 Chemical Formula C 20 H 14 O 4 Synonyms. Find chemicals information Phenolphthalein at guidechem, professional and easy to use. Find chemicals information Phenolphthalein at guidechem, professional and easy to use. Chapter 4 (4.1.1) and prepared in an ISO 9001 facility. 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 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. In crystalline form, phenolphthalein appears to be white to yellow in colour. Chemsrc provides Phenolphthalein β-D-glucuronide(CAS#:15265-26-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Phenolphthalein, ACS Safety Data Sheet according to Federal Register / Vol. The Melting Point of Phenolphthalein is . 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. (1) Featured Industry. Melting Point (°C) 201 - 300 (1) Application. Due to its pH sensitivity, It is used to the check extend of carbonation in concrete, soap and in toys as diapering work. Phenolphthalein is widely used as an indicator in acid-base titrations, water treatment applications. Melting point/freezing point Not available. Thus phenolphthalein is an effective acid base indicator for titrations of … Phenolphthalein White Powder. ... the sample is dissolved in a solvent and titrated against phenolphthalein with potassium hydroxide solution. Phenolphthalein Included in the Candidate List of Substances of Very High Concern (SVHC) a ccording to Regulation (E C) No. Ph. 1907/2006 (R EACH) ... Melting point/freezing No data available point f) Initial boiling point and No data available boiling range g) Flash point 17 °C - closed cup Boiling Point: Not available. 77, No. Phenolphthalein, 0.5% in 50% Ethanol Safety Data Sheet according to Federal Register / Vol. Conditions: Not Established Elizabeth Correa Macias 28-Feb-2007 6:16 am Report Abuse. It is used in Kastle-Meyer test, which identifies the substances containing blood. Product details. Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as HIn or phph in shorthand notation. Phenolphthalein is a chemical compound with the formula C 20 H 14 O 4 and is often written as "HIn" or "phph" in shorthand notation.Phenolphthalein is often used as an indicator in acid–base titrations.For this application, it turns colorless in acidic solutions and pink in basic solutions. Phenolphthalein Solution R1, EP Grade, Reagecon™ is a ready-to-use 10g/L solution used as an indicator in acid–base titrations. Phenolphthalein is often used as an indicator in acid–base titrations. 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. CAS : 77-09-8 : Appearance (Colour) White : Appearance (Form) Powder : Solubility (Turbidity) 2% solution in Methanol : Clear : Assay : Min. Phenolphthalein is a triphenylmethane salt whose three aromatic rings produce a red chromophore in basic and neutral solutions. Articles of Phenolphthalein are included as well. Get Latest Price Request a quote. Phenolphthalein is a chemical that is commonly used as a colorimetric pH indicator. For this application, it turns colorless in acidic solutions and pink in basic solutions. Upper/lower flammability or explosive limits Flammability limit - lower (%) Not available. 77-09-8: Density: 1.385 g/cm 3: Solubility: Water: 0.1 g/100 mL Melting Point: 258-263 °C: Formula: C 20 H 14 O 4: Boiling Point: 557.8 °C at 760 mmHg Molecular Weight: 318.32 Flash Point: 206.5 °C Transport Information Phenolphthalein Section 1 ­ Chemical Product and Company Identification MSDS Name: Phenolphthalein Catalog Numbers: 14771­0000, 14771­1000, 14771­5000, 41718­0000, 41718­0025, 41718­1000, 41718­ 5000 Synonyms: Company Identification: Acros Organics BVBA … 99% : Melting Point : 258 deg C - 263 deg C : View Complete Details. It turns colorless in … 1170. Manolo Moreno NuÑo 08-May-2007 10:11 am Report Abuse. PT.SMART-LAB INDONESIA MSDS – PHENOLPHTHALEIN INDICATOR 5 MATERIAL SAFETY DATA SHEET PHENOLPHTHALEIN INDICATOR Revision : 01 Date of Issue: 16.05.2017 MSDS Number : 152 Odour Threshold No data available pH No data available Melting point/freezingpoint Melting point… PRODUCT AND COMPANY IDENTIFICATION Product Name: Phenolphthalein Synonyms/Generic Names: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(p- ... Melting point/freezing point 260°C (500°F) Initial boiling point and boiling range Not Available Flash point … Manufactured according to Eu. Melting Point: 262 °C: Solubility in water: Insoluble: Degree of solubility in water : 400 mg/l : Solubility (very soluble in) Acetone,Ethanol: Solubility (soluble in) … The melting point of Phenolphthalein was investigated in an OECD guideline 102 compliant study. Phenolphthalein has the chemical formula of C 20 H 14 O 4 and is a large organic molecule. Only free fatty acids are recorded. 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