Home > Name List By 2 > 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1, 1-dioxo-2,1λ Switzerland

CAS No 76-59-5 , 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,
1-dioxo-2,1λ Search by region : Switzerland

  • Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,
    1-dioxo-2,1λ
  • Synonyms: 76-59-5; Dibromothymolsulfophthalein;Bromothymol blue;6-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol; NSC 7819; NSC7819; SBB057766;2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,
    1-dioxo-2,1λ EINECS 200-971-2; 3,3'-Dibromothymolsulfonphthalein; BROMTHYMOL BLUE;
  • CAS Registry Number:
  • Melting Point: 204 ºC
  • Density: 1.542 g/cm3
  • Refractive index: 1.4290 (20 C)
  • Safety Statements: S24/25
  • Hazard Symbols: Xn
  • HS Code: 29349990
  • EINECS: 200-971-2
  • Molecular Weight: 624.38122
  • InchiKey: NUHCTOLBWMJMLX-UHFFFAOYSA-N
  • InChI: InChI=1S/C27H28Br2O5S/c1-13(2)17-11-20(15(5)23(28)25(17)30)27(19-9-7-8-
    10-22(19)35(32,33)34-27)21-12-18(14(3)4)26(31)24(29)16(21)6/h7-14,
    30-31H,1-6H3
  • Risk Statements: S24/25
  • Molecular Formula: C27H28Br2O5S
  • Molecular Structure:CAS No:76-59-5 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,<br />1-dioxo-2,1λ

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76-59-5 Bromothymol blue

  • Bromothymol blue3,3'-Dibromothymolsulfonephthalein, Bromthymol blue, Bromthymol blauBTB, > 99.0%
  • Switzerland Biosynth AG [Manufacturer]
  • Tel: +41 71 858 20 20/ 630.305.8400 (USA)
  • Fax: +41 71 858 20 30
  • Address: BIOSYNTH AG
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    9422 Staad / Switzerland
    Phone: +41 (0)71 858 20 20
    Fax: +41 (0)71 858 20 30 null,nullSwitzerland
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References of 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,
1-dioxo-2,1λ
Title: Bromthymol Blue
CAS Registry Number: 76-59-5
CAS Name: 4,4￠-(3H-2,1-Benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)phenol] S,S-dioxide
Synonyms: a,a-bis(6-bromo-5-hydroxycarvacryl)-a-hydroxy-o-toluenesulfonic acid g-sultone; 3,3￠-dibromothymolsulfonphthalein
Molecular Formula: C27H28Br2O5S
Molecular Weight: 624.38
Percent Composition: C 51.94%, H 4.52%, Br 25.59%, O 12.81%, S 5.14%
Literature References: Prepd by the action of bromine on thymol blue in glacial acetic acid: Clark, Lubs, J. Wash. Acad. Sci. 5, 609 (1915); 6, 482 (1916); Chem. Zentralbl. 1916, I, 175; II, 1068. See also ref under Bromcresol Green.
Properties: Cream-colored crystals. Sparingly sol in water; sol in alcohol and in aq solns of alkalies. Also sol in ether. Less sol in benzene, toluene, xylene. Practically insol in petr ether. pK = 7.0. To prepare a soln for use as pH indicator, dissolve 0.10 g in 8.0 ml N/50 NaOH and dil with water to 250 ml. To prepare a soln for use as indicator in volumetric work, dissolve 0.1 g in 100 ml of 50% alc.
pKa: pK = 7.0
Use: As indicator, pH 6.0 yellow; pH 7.6 blue.