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  Post Date: Jul 30,2019
  Expiry Date: Jul 29,2020
  Detailed Description: Cas No. :125-20-2 Thymolphthalein
CAS NO.: 125-20-2
Molecular formula: C28H30O4
Molecular weight: 430.54
Property : White or yellowish crystalline powder, dissolve in ethanol or diluted basic hydroxide solution, undissolved in water.
Use: acid-base indicator, chromatic spectrum analytic reagent.
Melting point : 251.0-255.0
Range of PH: 9.0(colorless)-10.2(blue)
Solubility test in ethanol: passed
Solubility test in sodium hydroxide: passed
Residue on ignition (sulfate): 0.1% Max.

  CAS Registry Number:


  Synonyms: ;TP;Thymolphthalein solid;3,3-bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide;3,3-bis[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]-2-benzofuran-1(3H)-one;Thymol phthalein;
  Molecular Formula: C28H30O4
  Molecular Weight: 430.5354
  Molecular Structure: 125-20-2 Thymolphthalein
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R40:;
  Safety Description: S36/37:;

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