Phenolphthalein
10mM in DMSO
Reagent
Code: #224154
Alias
[pH]
CAS Number
77-09-8
blur_circular Chemical Specifications
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Molecular Information
Weight
318.32 g/mol
Formula
C₂₀H₁₄O₄
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Registry Numbers
EC Number
201-004-7
MDL Number
MFCD00005913
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Physical Properties
Melting Point
258-263 °C
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Storage & Handling
Storage
-20°C
description Product Description
Used as a pH indicator in acid-base titrations, turning pink in basic solutions above pH 8.2. Commonly used in educational labs to demonstrate neutralization reactions. Also employed in concrete testing to check for carbonation by detecting the presence of alkaline conditions. Historically used as a laxative, though this application has been discontinued in many countries due to safety concerns.
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