Ph. It belongs to the class of dyes known as phthalein dyes. Manolo Moreno NuÑo 08-May-2007 10:11 am Report Abuse. Phenolphthalein has the chemical formula of C 20 H 14 O 4 and is a large organic molecule. Phenolphthalein is a chemical that is commonly used as a colorimetric pH indicator. Articles of Phenolphthalein … 77, No. 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. 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 Only free fatty acids are recorded. Phenolphthalein is a slightly acidic compound, hence considered a weak acid. The test item has a mean melting point of 263.7 °C. Melting point. Boiling point (bp) 78 °C Flash point (flp) 17 °C ADR 3 II WGK 3 UN-Nr. Phenolphthalein is a triphenylmethane salt whose three aromatic rings produce a red chromophore in basic and neutral solutions. 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 … Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as HIn or phph in shorthand notation. 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 Contact Seller Ask for best deal. The conjugation is disrupted in acidic solutions resulting in a clear solution. Melting Point (°C) 201 - 300 (1) Application. 77, No. Thus phenolphthalein is an effective acid base indicator for titrations of … Clostridium spp. 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. Ph Eur - Find MSDS or SDS, a COA, data sheets and more information. 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. Phenolphthalein CAS 77-09-8 indicator ACS,Reag. ... the sample is dissolved in a solvent and titrated against phenolphthalein with potassium hydroxide solution. Melting point/freezing point 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. In short, it can be written as "HIn" or "phph" ... Melting Point… Chapter 4 (4.1.1) and prepared in an ISO 9001 facility. Phenolphthalein 1. Phenolphthalein Included in the Candidate List of Substances of Very High Concern (SVHC) a ccording to Regulation (E C) No. If the concentration of indicator is particularly strong, it can appear purple. Chemsrc provides Phenolphthalein β-D-glucuronide(CAS#:15265-26-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. The Enthalpy of Fusion of Phenolphthalein is . Solubility: Insoluble in water. Due to its pH sensitivity, It is used to the check extend of carbonation in concrete, soap and in toys as diapering work. 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) … Boiling Point: Not available. Flammability limit - upper (%) Not available. 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. Phenolphthalein, 0.5% in 50% Ethanol Safety Data Sheet according to Federal Register / Vol. Get Latest Price Request a quote. 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 Find chemicals information Phenolphthalein at guidechem, professional and easy to use. Upper/lower flammability or explosive limits Flammability limit - lower (%) Not available. 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. Add a Physical Property of Phenolphthalein. The melting point of Phenolphthalein was investigated in an OECD guideline 102 compliant study. Indicator pH 8,0-10,0 ready-to-use. Applications. 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. Freezing/Melting Point:258 - 263 deg C Decomposition Temperature:Not available. It is used in Kastle-Meyer test, which identifies the substances containing blood. Phenolphthalein is normally dissolved in alcoholfor use in experiments. 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. (1) Featured Industry. Find chemicals information Phenolphthalein at guidechem, professional and easy to use. Conditions: Not Established Elizabeth Correa Macias 28-Feb-2007 6:16 am Report Abuse. 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. Product details. Phenolphthalein Solution R1, EP Grade, Reagecon™ is a ready-to-use 10g/L solution used as an indicator in acid–base titrations. In solutions containing a pH below 0, phenolphthalein turns a bright orange color. In crystalline form, phenolphthalein appears to be white to yellow in colour. Conditions: @ 534. Get Latest Price. For this application, it turns colorless in acidic solutions and pink in basic solutions. Buy Phenolphthalein (263°C) Melting Point Standard online at LGC Standards, high-quality reference standards for pharmaceutical testing. The Melting Point of Phenolphthalein is . 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 is widely used as an indicator in acid-base titrations, water treatment applications. Weight Average: 318.3228 Monoisotopic: 318.089208936 Chemical Formula C 20 H 14 O 4 Synonyms. It turns colorless in … Quantity Value Units Method Reference Comment; T fus: 534.7: K: N/A: Bebie, 1930: Uncertainty assigned by TRC = 2. 99% : Melting Point : 258 deg C - 263 deg C : View Complete Details. 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 … Information on Registered Substances comes from registration dossiers which have been assigned a registration number. 3,3-Bis(4-hydroxyphenyl)phthalide; Fenolftalein 1170. 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. 258 deg C - 263 deg C Decomposition Temperature: Not available is normally dissolved alcoholfor. 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