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Synonyms: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. Phenolphthalein is often used as an indicator in acid–base titrations
P 1537 (OTTO) Phenolphthalein, GR Cas 77-09-8 - used as a colorimetric pH indicator.
Hazard Codes Xn
Certificate Of Analysis
(For eg. B 1615-0108)
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β-Naphthol violet
3567-69-9
Carmoisine A
83-72-7
2-Hydroxy-1,4-naphoquinone, 98%
119-93-7
o-Tolidine, GR 99%+
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