Phenolphthalein, 1 X 100 g (105945-100G)

MilliporeSigma® (Sigma-Aldrich)

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105945-100G

$59.80

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Phenolphthalein is an indicator for acid-base titration reactions. It changes from colorless to violet-red between pH 8.3-9.8, it is red in extremely acidic solutions, and colorless in extremely alkaline solutions. It is present as a nonionic, lipophilic lactone in aqueous neutral solutions. It exists as a hydrophilic dianion in alkaline sol…

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SDS

Î»max	374 nm (2nd)
InChI key	KJFMBFZCATUALV-UHFFFAOYSA-N
Î»max	552 nm
mp	261-263 °C (lit.)
InChI	1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H
application(s)	diagnostic assay manufacturinghematologyhistology
CAS_NO	77-09-8
technique(s)	titration: suitable
storage temp.	room temp
form	powder
visual transition interval	8.0-10, colorless to red
SMILES string	Oc1ccc(cc1)C2(OC(=O)c3ccccc23)c4ccc(O)cc4
solubility	acetone: soluble
density	1.27 g/cm3 at 32 °C
grade	ACS reagent
Quality Level	200

Phenolphthalein, 1 X 100 g (105945-100G)

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Phenolphthalein, 1 X 100 g (105945-100G)

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