Sharjah Chemicals is leading Supplier and Manufacturer of Phenolphthalein pH Indicator 1% Solution in Sharjah UAE, Al Qusais, Deira, Saif Zone, Fujairah,Dubai, Abudhabi, Ajman, Diera, UAE Middle East, Al Quoz, Jebel Ali, Umm Al Quwain, Ras Al Khaimah, Masafi, Khor Fakkan, Al Hayl, Al Ain, Ras Al Khor Industrial Area, Al khubaisi, Umm Ramool Industrial Area, Al Qusais Industrial Area, Jebel Ali.
Phenolphthalein pH Indicator 1% Solution : RXSOL-60-6298-500
Phenolphthalein is used as an acid or base indicator where, in contact or presence of acid, it will turn colorless and with a base, it will turn into a fuchsia color. It is also a component in universal indicator, a solution consisting of a mixture of pH indicators (usually phenolphthalein, methyl red, bromothymol blue, and thymol blue).
CAS Number 77-09-8
Empirical Formula (Hill Notation) C20H14O4
Molecular Weight 318.32
Phenolphthalein is another commonly used indicator for titrations, and is another weak acid.
Phenolphthalein Indicator, 1%. : Dissolve 1.0 g of phenolphthalein in 100 mL of alcohol (pH 8.0-10.0)
In this case, the weak acid is colourless and its ion is bright pink. Adding extra hydrogen ions shifts the position of equilibrium to the left, and turns the indicator colourless. Adding hydroxide ions removes the hydrogen ions from the equilibrium which tips to the right to replace them – turning the indicator pink.
The half-way stage happens at pH 9.3. Since a mixture of pink and colourless is simply a paler pink, this is difficult to detect with any accuracy!
Product Technical Specification:
Available Packing Size: 500 ml
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