Agoral · Doxan · Fenolftalein [Czech] · Phenolphthaleinum · 3,3-Bis(p- hydroxyphenyl)phthalide · 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one · Evac-V-Lax. View the profiles of people named Fenolftalein Indikator. Join Facebook to connect with Fenolftalein Indikator and others you may know. Facebook gives. Page 1 of 5 Material Safety Data Sheet Phenolphthalein, Indicator ACC# Section 1 – Chemical Product and Company Identification MSDS Name.

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A false positive can result from the presence of substances with catalytic activity similar to hemoglobin. An animation of the pH dependent reaction mechanism: Benjah-bmm27 grants anyone the right to use this work for any purposewithout any conditions, unless such conditions are required by law. Environmental and Molecular Mutagenesis.

Remember me on this computer. Phenolphthalein’s pH sensitivity is exploited in other applications: For this application, it turns colourless in acidic solutions and magenta in basic solutions. Use proper personal protective equipment as indicated in Section 8.

The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. As the concrete reacts with carbon dioxide in the atmosphere, pH decreases to 8. Views View Edit History.



Concrete has naturally high pH due to the calcium hydroxide formed when Portland cement reacts with water. 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.

This is predicted by Fenolftaelin Chatelier’s principle. By using this site, you agree to the Terms of Use and Privacy Policy.

Log In Sign Up. Incompatible materials, excess heat. Indimator common use is as an indicator in acid-base titrations. Help Center Find new research papers in: Page 2 of 5 Inhalation: The pattern will eventually disappear again because of the reaction with carbon dioxide.


By using this site, you agree to the Terms of Use and Privacy Policy. Phenolphthalein fenooftalein been used for over a century as a laxativebut is now being removed from over-the-counter laxatives [5] because of concerns over carcinogenicity. To develop the hair and “magic” graphical patterns, incikator ink is sprayed with a solution of hydroxide, which leads to the appearance of the hidden graphics by the same mechanism described above for colour change in alkaline solution.


May cause kidney injury.

The following other wikis use this file: None of the chemicals in this product are considered highly hazardous by OSHA. Get medical aid if irritation or symptoms occur. Wash hands before eating. Store in a cool, dry, well-ventilated area away from incompatible substances.

Permission Reusing this file. Use with adequate ventilation.

Fenolftalein – Wikipedia

Avoid contact with eyes, skin, and clothing. This reaction leads to the pH falling below the colour change threshold indiktaor hydrogen ions are released by the reaction:.

May cause eye irritation. This material does not contain any Class 2 Ozone depletors.

The Annals of Pharmacotherapy.

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