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BTB CAS 34722-90-2

3',3''-Dibromothymolsulphonephthalein,sodiumsalt;BromothymolBlue,watersolublep.a.;BromothymolBluesodiumsalt,0.04%w/vaq.soln.;BromothymolBlue,powder,sodiumsalt;BromothymolBlue,Reagent;Bromothymol;Sodium2-[(Z)-(3-bromo-4-hydroxy-2-methyl-5-propChemicalbookan-2-ylphenyl)-(3-bromo-2-methyl-4-oxo-5-propan-2-yl-1-cyclohexa-2,5-dienylidene)methyl]benzenesulfonate;Sodiumalpha-(3-bromo-5-isopropyl-4-oxo-2-methyl-2,5-cyclohexadienylidene)-2-(3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl)toluenesulfonate
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  • 34722-90-2

  • bosschem

  • 34722-90-2

BTB Basic information
Product Name: BTB
CAS: 34722-90-2
MF: C27H27Br2NaO5S
MW: 646.36
EINECS: 252-169-7
BTB Chemical Properties
Melting point 200-202°C
density 0.99
storage temp. Store at RT.
solubility Solubility Soluble in water, ethanol
pka 7.0, 7.1(at 25℃)
form Powder
color Orange-brown to dark green
Odor Characteristic odour
PH Range Yellow (6.0) to blue (7.6)
Water Solubility SOLUBLE
λmax 615nm, 392nm
BRN 6887926
Item Specification Result
PH 6.0(yellow)—7.6(blue) Passed
Ethanol dissolution test Passed Passed

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BTB 34722-90-2 C27H29Br2NaO5S

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