chemical properties of phenolphthalein
The physical properties of these compounds result directly from the formation of hydrogen bonds and are manifested in relatively high b.p., high viscosity, and their water solubility. Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. The source is also providing more information like the publication year, authors and more. For this application, it turns colorless in acidic solutions and pink in basic solutions. Phenolphthalein. It is a weak aci.... (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), 3,3-Bis(4-hydroxyphenyl)phthalide (77-09-8), P210-P260-P280a-P303+P361+P353-P405-P501a-P201-P202-P280-P308+P313, 40-22-10-36/38-23/25-11-36/37/38-68-62-45-39/23/24/25-23/24/25, Phenolphthalein (0.1% in ca. No: F/QCL/008 Rev.01 PT.SMART-LAB INDONESIA MSDS – PHENOLPHTHALEIN INDICATOR 1 MATERIAL SAFETY DATA SHEET PHENOLPHTHALEIN INDICATOR Revision : 01 Date of Issue: 16.05.2017 MSDS Number : 152 Section 1 - Chemical Product and Company Identification When dissolved in alcohol solution, it can be made of acid and alkali indicator. Find patient medical information for Phenolphthalein, Yellow Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. CAS Number: 77-09-8 Formula: C20H14O4 Density: 1.299 g/mL Solubility: Alcohol and Alkalis Shelf Life: 36 Months. Chemical Properties Phenolphthalein is a weak organic acid, at room temperature, appearing as white or microstrip yellow small crystals, being odorless, tasteless, insoluble in water and soluble in alcohol (ethanol) and ether. Predict properties. The phenolphthalein structure is a is good example of a C3 Point Group & shows "propeller" rotation. Chemicals for Science Education. Phenolphthalein is used in chemical analysis as a visual indicator in the determination of the equivalence point in neutralization reactions or acid-base titrations. Specific Gravity 1.30 g/mL @ 20°C. Phenolphthalein has the chemical formula of C 20 H 14 O 4 and is a large organic molecule. Information on Registered Substances comes from registration dossiers which have been assigned a registration number. Blood. Note: The chemical specifications for some items on this product page may differ from the specifications listed above. Phenolphthalein is absorbed in the intestine and is almost completely converted to its glucuronide during extensive first-pass metabolism in the intestinal epithelium and liver via uridine diphosphate glucuronosyltransferase (UDPGT) in rodents and dogs. It is available in the form of an oral solution, oral capsule, oral tablet, wafer and chewing gum. Phenolphthalein is commonly used as a chemical indicator, which turns from colorless to pink in the range of 8–10 pH, which makes it ideal for the titration of strong acids, such as hydrochloric acid. Melting Point 262°C. Appearance White powder. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. How does phenolphthalein function as an indicator? © 2016 Céondo GmbH | Odor Threshold N/A. 3,3-Bis(4-hydroxyphenyl)phthalide; Fenolftalein Molecular weight 318.33. +Add Attachment The reagent for these acid-base titrations is prepared at 1% dissolved in 90% alcohol. Public Notices Related to this Chemical. 8 Kuwabara, Tetsuo et al. Phenolphthalein is used as a laxative to treat incomplete and infrequent bowel movement. Download as Excel file In acidic solutions, the compound is colourless. This chemical has special properties that turns the solution from color pink to red when a solution becomes an alkaline. Find more compounds similar to Phenolphthalein. The melting point of Phenolphthalein was investigated in an OECD guideline 102 compliant study. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification. In terms of chemical properties, they are typical of other alcohols and are specific because of the presence of two hydroxyl groups on adjacent carbon atoms. Structure, properties, spectra, suppliers and links for: Phenolphthalein, 77-09-8. Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in … OSHA Vacated PELs: Phenolphthalein: No OSHA Vacated PELs are listed for this chemical. 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. Phenolphthalein was widely used as a laxativ… In crystalline form, phenolphthalein appears to be white to yellow in colour. Safety Data Sheet according to 29CFR1910/1200 and GHS Rev. In such cases, it is used to empty the bowels. Find patient medical information for Phenolphthalein Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Phenolphthalein-Modified β-Cyclodextrin as a Molecule-Responsive Colorless-to-Color Change Indicator. Phenolphthalein is a slightly acidic compound, hence considered a weak acid. Chemical and physical properties of Phenolphthalein. It has traditionally been used as a laxative but has more recently been used as part of a test to Pricing & More Info Phenolphthalein Indicator, … Phenolphthalein (PTH), which has been used as the active ingredient in a number of prescription and over-the-counter laxative products, is a rodent chemical carcinogen in multiple organs in the NTP 2-year bioassay at doses of 291-2927 mg/kg. Phenolphthalein (C 20 H 14 O 4).An indicator used in the solution. 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 90% Ethanol) [for Titration], .alpha, alpha.-Di(p-hydroxyphenyl)phthalide, 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-, 1(3H)-Isobenzofuranone,3,3-bis(4-hydroxyphenyl)-, 3,3-bis(4-hydroxyphenyl)-1(3h)-isobenzofuranon, alpha-(p-hydroxyphenyl)-alpha-(4-oxo-2,5-cyclohexadien-1-ylidine)-o-toluicacid, 3,3-BIS(4-HYDROXYPHENYL)-1(3H)-ISOBENZOFURANONE, 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone, Phenolphthaleinum. 3 Effective date : 01.14.2015 Page 2 of 8 Phenolphthalein Indicator Created by Global Safety Management, Inc. -Tel: 1-813-435-5161 - www.gsmsds.com Phenolphthalein is also prescribed for the treatment of chronic atonic or spastic constipation and of constipation associated with rectal disorders; management of irritable bowel syndrome. Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. Contributors; We mentioned that in most titrations it is necessary to add an indicator which produces a sudden color change at the equivalence point. It is pinkish in simple solutions (with the transition occurring around pH 9). A light pink color of the phenolphthalein is aimed in this experiment. JOC 1998 , 63, 8729–8735. Phenolphthalein has 4 states: - In a strongly acid medium it has an orange color (H 3 In +). Solubility Soluble in alcohol and alkalis. Take the time to validate and double check the source of the data. (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), The username will be used as the login user name and retrieve the password, Copyright 2017 © ChemicalBook. Vapor Density (air=1) N/A. | Blog about Cheméo's technical and scientific challenges, Blog about Cheméo's technical and scientific challenges, .alpha, alpha.-Di(p-hydroxyphenyl)phthalide, 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-, 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone, 3,3-Bis(4-hydroxyphenyl)-2-benzofuran-1(3h)-one. PHYSICAL PROPERTIES OF PHENOLPHTHALEIN Page in Marketizer.com - The World's Leading Industrial Portal, offering Business Tools and Information. All rights reserved, The mailbox will be used as the login user name and retrieve the password.
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