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Bithionol

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Identification
Molecular formula
C12H6Br2O2S
CAS number
97-18-7
IUPAC name
2-bromo-4-[3-(3-bromo-4-hydroxy-5-methyl-phenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-6-methyl-phenol
State
State

At room temperature, bithionol is a solid. It is typically found in a crystalline powder form and is insoluble in water, but soluble in organic solvents like alcohol, ether, and chloroform.

Melting point (Celsius)
188.00
Melting point (Kelvin)
461.15
Boiling point (Celsius)
401.70
Boiling point (Kelvin)
674.85
General information
Molecular weight
394.05g/mol
Molar mass
394.2380g/mol
Density
1.7574g/cm3
Appearence

Bithionol typically appears as a white to off-white crystalline powder. It may sometimes have a slightly yellowish hue due to impurities. The substance has a characteristic odor.

Comment on solubility

Solubility of 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methyl-phenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-6-methyl-phenol

The solubility of complex organic compounds such as 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methyl-phenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-6-methyl-phenol can vary significantly due to their intricate structures and functional groups. In general, the following points can be made regarding its solubility:

  • Polar vs Nonpolar: The presence of hydroxyl groups (-OH) often increases solubility in polar solvents, such as water. Conversely, nonpolar parts of the molecule may tend to favor solubility in organic solvents.
  • Hydrophobic Interactions: The compound contains multiple aromatic rings which likely contribute to hydrophobic interactions, potentially limiting water solubility.
  • Solvent Selection: It is crucial to test solubility in various solvents, including:
    • Water
    • Ethanol
    • Acetone
    • Dichloromethane
  • Temperature Effect: Increasing the temperature can enhance solubility in some solvents by providing kinetic energy to overcome intermolecular forces.
  • Chemical Stability: Consideration of the compound's stability in the chosen solvent is important; some solvents may lead to degradation or transformation.

In conclusion, the solubility of 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methyl-phenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-6-methyl-phenol is influenced by an interplay of molecular structure, solvent characteristics, and experimental conditions. It is recommended to perform empirical solubility tests to ascertain the best solvent for this compound.

Interesting facts

Interesting Facts about 2-Bromo-4-[3-(3-bromo-4-hydroxy-5-methyl-phenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-6-methyl-phenol

This intriguing compound, known for its complex structure, participates in various fascinating chemical reactions and applications. Its intricate anatomy allows it to play an essential role in diverse fields:

  • Antimicrobial Properties: Compounds with similar structures often exhibit antimicrobial activity, making them promising candidates for pharmaceutical research aimed at developing new antibiotics.
  • Drug Development: The presence of bromine and hydroxy groups can enhance biological activity, raising interest in its potential in medicinal chemistry.
  • Research Applications: Due to its unique properties, this compound may serve as a useful tool in material science and organic synthesis, providing insights into reaction pathways.

Moreover, the combination of the dioxo and benzothiazole moiety in its structure is particularly noteworthy. As one researcher stated, "The incorporation of heavy elements such as bromine can augment biological properties, opening new therapeutic avenues." As a chemistry student or enthusiast, understanding such compounds broadens your knowledge of how molecular modifications lead to desired chemical behavior.

In summary, 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methyl-phenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-6-methyl-phenol stands as an example of how complex organic compounds possess multifaceted relevance in scientific research, paving the way for advancements in chemistry and medicine.

Synonyms
Bromocresol purple
115-40-2
BROMCRESOL PURPLE
3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
Bromcresol purple sultone form
MFCD00011681
5,5'-Dibromo-o-cresolsulfonphthalein
UNII-201C22C3EC
HSDB 7729
EINECS 204-087-8
NSC 374134
NSC-374134
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-
BROMCRESOL PURPLE [MI]
BROMCRESOL PURPLE [HSDB]
DTXSID3059428
CHEBI:86154
201C22C3EC
NSC374134
5',5"-dibromo-o-cresolsulfophthalein
4,4'-(3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(2-BROMO-6-METHYLPHENOL) S,S-DIOXIDE
2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-6-methylphenol
3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-2,1lambda(6)-benzoxathiole-1,1(3H)-dione
4,4'-(1,1-DIOXIDO-3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(2-BROMO-6-METHYLPHENOL)
Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methyl-, S,S-dioxide
Purple, Bromcresol
.ALPHA.-(5-BROMO-4-HYDROXY-M-TOLYL)-.ALPHA.-(3-BROMO-5-METHYL-4-OXO-2,5-CYCLOHEXADIEN-1-YLIDENE)-O-TOLUENESULFONIC ACID
Purple, Bromocresol
Bromkresolpurpur
Bromocresol Roxo
3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide;
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methyl-
Bromocresol Purpura
Bromo-cresol purple
Pourpre de bromocresol
Purpura de bromocresol
SCHEMBL63004
dibromo-o-cresolsulfonphthalein
DTXCID8033354
Bromocresol Purple, Technical grade
STL453007
AKOS000813823
Bromocresol Purple, SAJ special grade
Bromocresol purple free acid ACS grade
FB47132
HY-W087928
Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methyl)-, S,S-dioxide
5?,5??-Dibromo-o-cresolsulfonephthalein
2-bromo-4-[3-(3-bromo-4-hydroxy-5-methyl-phenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-methyl-phenol
5',5''-Dibromo-2-cresolsulfonephthalein
AC-18341
AS-14673
Bromocresol purple solution TS conforme USP
B0115
B0116
B0129
B0580
CS-0128759
NS00019934
D88669
Q425039
Phenol, 4,4'(1,1dioxido3H2,1benzoxathiol3ylidene)bis(2bromo6methyl
3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1-benzoxathiole-1,1-dione
Bromocresol Purple, BioReagent, suitable for indicator, Dye content 90 %
Bromocresol Purple, for microscopy (Hist., Vit.), indicator (pH 5.2-6.8)
Phenol, 4,4'(3H2,1benzoxathiol3ylidene)bis(2bromo6methyl, S,Sdioxide
3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1lambda-benzoxathiole-1,1-dione
4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-bromo-6-methylphenol)
ALPHA-(5-BROMO-4-HYDROXY-M-TOLYL)-ALPHA-(3-BROMO-5-METHYL-4-OXO-2,5-CYCLOHEXADIEN-1-YLIDENE)-O-TOLUENESULFONIC ACID