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CAS No 76-61-9 , 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,
1λ Search by region : India

  • Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,
    1λ
  • Synonyms: Thymolsulfophthalein; Thymolsulphonphthalein; 76-61-9;4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,
    1λThymolsulfonephthalein; Thymolsulfonphthalein; Thymosulfonphthalein;6-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol;
  • CAS Registry Number:
  • Transport: HAZARD
  • Melting Point: 221-224 ºC
  • Density: 1.252 g/cm3
  • Refractive index: 1.599
  • Safety Statements: S24/25;
  • EINECS: 200-973-3
  • Molecular Weight: 466.5891
  • InchiKey: PRZSXZWFJHEZBJ-UHFFFAOYSA-N
  • InChI: InChI=1S/C27H30O5S/c1-15(2)19-13-22(17(5)11-24(19)28)27(21-9-7-8-10-26
    (21)33(30,31)32-27)23-14-20(16(3)4)25(29)12-18(23)6/h7-16,28-29H,1-6H3
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: C27H30O5S
  • Molecular Structure:CAS No:76-61-9 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,<br />1λ

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References of 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,
1λ
Title: Thymol Blue
CAS Registry Number: 76-61-9
CAS Name: 4,4￠-(3H-2,1-Benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)phenol] S,S-dioxide
Synonyms: a-hydroxy-a,a-bis(5-hydroxycarvacryl)-o-toluenesulfonic acid g-sultone; thymolsulfonephthalein
Molecular Formula: C27H30O5S
Molecular Weight: 466.59
Percent Composition: C 69.50%, H 6.48%, O 17.15%, S 6.87%
Properties: Brownish-green, cryst powder; characteristic odor. Insol in water. Sol in alcohol, dil alkali solns.
Use: As as acid-base indicator; pH: red 1.2 to yellow 2.8; also yellow 8.0 to blue 9.6.