3,5-Dibromo-4-hydroxybenzenesulfonic Acid
Title: 3,5-Dibromo-4-hydroxybenzenesulfonic Acid
CAS Registry Number: 4232-99-9
Additional Names: 2,6-Dibromophenol-4-sulfonic acid; p-hydroxy-3,5-dibromobenzenesulfonic acid
Molecular Formula: C6H4Br2O4S
Molecular Weight: 331.97
Percent Composition: C 21.71%, H 1.21%, Br 48.14%, O 19.28%, S 9.66%
Literature References: Prepn: Senhofer, Ann. 156, 103 (1870); Armstrong, Brown, J. Chem. Soc. 25, 858 (1872). Prepn of the sodium salt: Cannell, J. Am. Chem. Soc. 79, 2927 (1957).
Properties: Rectangular platelets. Freely sol in water, alcohol; less sol in ether.
 
Derivative Type: Sodium salt dihydrate
Trademarks: Dibromol (Trommsdorff)
Molecular Formula: C6H3Br2NaO4S.2H2O
Molecular Weight: 389.98
Percent Composition: C 18.48%, H 1.81%, Br 40.98%, Na 5.90%, O 24.62%, S 8.22%
Properties: Needles. Freely sol in hot water, less sol in cold water.
 
Therap-Cat: Disinfectant.

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