|Appearance||White crystalline powder|
|PH domain discoloration||9.3(Colorless)–10.5( Blue)|
|Ethanol dissolution test||Conform|
|Sodium hydroxide dissolution test||Conform|
|Burning residue (As sulphate)||≤0.1%|
|Thymolphthalein Basic information|
|Synonyms:||3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-1(3H)-Isobenzofuranone;3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3h)-isobenzofuranon;Thymolphthalein, for analysis ACS;Thymolphthalein, indicator, pure;THYMOLPHTHALEIN REAGENT (ACS);THYMOLPHTHALEIN SOLUTION, 0.05%;1(3H)-Isobenzofuranone, 3,3-bis4-hydroxy-2-methyl-5-(1-methylethyl)phenyl-;thymolphthalein solution|
|Product Categories:||Miscellaneous Biochemicals;Analytical Chemistry;Indicator (pH);pH Indicators;Phthalein|
|Thymolphthalein Chemical Properties|
|Melting point||251-253 °C(lit.)|
|Boiling point||504.79°C (rough estimate)|
|density||0.92 g/mL at 25 °C|
|refractive index||1.6400 (estimate)|
|storage temp.||no restrictions.|
|solubility||ethanol: clarity passes test|
|form||Low Melting Mass|
|pka||9.70, 10.0(at 25℃)|
|color||White to slightly yellow|
|Odor||Mild characteristic odor|
|λmax||592nm, 396nm, 598nm|
|Major Application||Display device, semiconductors, recording materials, photoconductors, sol-gel matrix, tin electroplating process, counterfeit-proof paper, authentication system forsecure documents, inks, pencil leads, correction fluid, paints, petroleum marker, tennis ball, adhesives, floor coatings, textiles, detergents, insecticide, lotion, cleaning pads, food storage, determine bacterial growth, Streptococci in saliva, dental impressionmaterials|
|CAS DataBase Reference||125-20-2(CAS DataBase Reference)|
|EPA Substance Registry System||Thymolphthalein (125-20-2)|
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