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o-hydroxybenzenesulphonic acid

Product Name
o-hydroxybenzenesulphonic acid
CAS No.
609-46-1
Chemical Name
o-hydroxybenzenesulphonic acid
Synonyms
Phenol-2-sulfonic acid;o-hydroxybenzenesulphonic acid;Calcium Dobesilate Impurity 13;Benzenesulfonic acid, 2-hydroxy-
CBNumber
CB7940017
Molecular Formula
C6H6O4S
Formula Weight
174.17444
MOL File
609-46-1.mol
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o-hydroxybenzenesulphonic acid Property

Melting point:
145°C (rough estimate)
Boiling point:
275.14°C (rough estimate)
Density 
1.384 (estimate)
refractive index 
1.5500 (estimate)
form 
solid
pka
-0.60±0.15(Predicted)
EPA Substance Registry System
o-Phenolsulfonic acid (609-46-1)
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Labseeker
Product number
SC-86781
Product name
Benzenesulfonicacid,2-hydroxy-
Purity
95
Packaging
10g
Price
$2583
Updated
2021/12/16
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o-hydroxybenzenesulphonic acid Chemical Properties,Usage,Production

Definition

ChEBI: An arenesulfonic acid that is phenol substituted by a sulfo group at C-2.

Production Methods

If phenol is sulfonated with an equal amount of 100% sulfuric acid under mild conditions, a mixture consisting of 2-hydroxy- and 4-hydroxybenzenesulfonic acid in a ratio of roughly 2:3 is obtained. The 2-hydroxybenzenesulfonic acid (o-hydroxybenzenesulphonic acid) can be isolated from this mixturevia the monobarium salt. The pure compound is obtained by diazotizing 2- aminobenzenesulfonic acid and boiling it under acid conditions.

o-hydroxybenzenesulphonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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o-hydroxybenzenesulphonic acid Suppliers

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609-46-1, o-hydroxybenzenesulphonic acidRelated Search:


  • o-hydroxybenzenesulphonic acid
  • Phenol-2-sulfonic acid
  • Calcium Dobesilate Impurity 13
  • Benzenesulfonic acid, 2-hydroxy-
  • 609-46-1