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CAS 123359-42-2

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Sulfobromophthalein sodium

Description:
Sulfobromophthalein sodium, also known as bromothymol blue sodium salt, is a synthetic organic compound primarily used as a pH indicator in various applications, including biological and chemical research. It exhibits a distinct color change in response to pH variations, transitioning from yellow in acidic conditions to blue in alkaline environments. This characteristic makes it valuable for monitoring pH levels in laboratory settings. The compound is soluble in water, which enhances its utility in aqueous solutions. Structurally, it contains a sulfonic acid group, contributing to its solubility and ionic nature. Sulfobromophthalein sodium is often employed in clinical diagnostics, particularly in liver function tests, where it helps assess the excretory function of the liver. Additionally, it has applications in histology and microbiology for staining purposes. Safety data indicates that while it is generally considered low in toxicity, appropriate handling and disposal measures should be observed to mitigate any potential environmental impact.
Formula:C20H10Br4Na2O11S2
InChI:InChI=1/C20H10Br4O10S2.2Na.H2O/c21-15-13-14(16(22)18(24)17(15)23)20(34-19(13)27,7-1-3-9(25)11(5-7)35(28,29)30)8-2-4-10(26)12(6-8)36(31,32)33;;;/h1-6,25-26H,(H,28,29,30)(H,31,32,33);;;1H2/q;2*+1;/p-2
Synonyms:
  • Bromosulfalein Sodium
  • Bromosulfonphthalein
  • Bromosulfophthalein
  • Bromosulfophthalein Sodium Salt
  • Bromo Sulphalein
  • Bromosulphalein Disodium Salt
  • 3,3'-(4,5,6,7-Tetrabromo-3-Oxo-1(3H)-Isobenzofuranylidene)Bis(6-Hydroxy-Benzenesulfonic Acid) Disodium Salt
  • Sodium 3,3'-(4,5,6,7-Tetrabromo-3-Oxo-1,3-Dihydro-2-Benzofuran-1,1-Diyl)Bis(6-Hydroxybenzenesulfonate) Hydrate (2:1:1)
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