3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

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Product Description

Product3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
CAS115-40-2
FormulaC21H16Br2O5S
SynonymBromcresol purple, 4,4-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-bromo-6-methylphenol) S,S-dioxide, pourpredebromocresol, Bromocresolred, 5,5-Dibromo-o-cresol-sulfonphthalein, DIBROMO-O-CRESOLSULFONPHTHALEIN, 4,4โ€™-(3H-2,1-Benzoxathiol-3-ylidene)bis[2-bromo-b-methylphend]S,S-dioxide, 4,4โ€™-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methylphenol)s,s-dioxide, dibromo-o-cresolphthaleinsulfone, bromocresol, Bromocresol Purple, 4,4โ€™-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-o-cresol)s,s-dioxide

Typical Product Specifications

Molecular weight540.22
EINECS204-087-8
BRN Number359618
Melting Point240 °C (dec.)
StabilityStable. Incompatible with strong oxidizing agents.
Water solubilitypractically insoluble
Merck14,1387
Storage TemperatureStore at room temperature.
Flash Point36 °C
Notes3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide uses and applications include: pH indicator useful in the pH range 5.2 (yellow) to 6.8 (purple); commonly used as the water-solution sodium salt, as a solution in dil. sodium hydroxide, or as a solution in ethanol
ClassSpecialty Chemicals
IndustryOrganics
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