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

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Product Description

PRODUCT

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

CAS #

115-40-2

SYNONYM

Bromcresol 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; 4,4’-(3H-2,1-Benzoxathiol-3-ylidene)bis[2-bromo-b-methylphend]S,S-dioxide; 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methylphenol)s,s-dioxide; dibromo-o-cresolphthaleinsulfone; bromocresol; Bromocresol Purple; 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-o-cresol)s,s-dioxide

FORMULA

C21H16Br2O5S

Product Specifications

MOLECULAR WEIGHT

540.22

EINECS

204-087-8

BRN NUMBER

359618

MELTING POINT

240 °C (dec.)

STABILITY

Stable. Incompatible with strong oxidizing agents.

WATER SOLUBILITY

practically insoluble

MERCK

14,1387

STORAGE TEMPERATURE

Store at room temperature.

FLASH POINT

36 °C

NOTES

3,3-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

INDUSTRY

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