Phenolsulfonic Acid
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Product Description
Product
Phenolsulfonic Acid
CAS
98-67-9
Formula
C6H6O4S
Synonym
4-hydroxybenzenesulfonic acid; 4-Phenolsulfonic Acid Salt; Benzenesulfonic acid, 4-hydroxy-; PSA65; p-Sulfophenol
Typical Product Specifications
Iron
50 ppm max
Sulfones
1.0% max
Sulfuric Acid
2.8% max
Appearence
clear to brown transparent liquid
Freezing Point
3 to 6 C
Vapor Density
>1.0
Evaporation Rate
<1
Water solubility
Miscible at 25C
Density
1.32 to 1.36 g/ml at 20C
pH
<1.0
Boiling Point
270 to 271 C Decomposes
Flash Point
>198F
Assay
65 to 67%
Refractive Index
1.489 (20) n (C/D)
Free Phenol
1.0% max
Freezing Point
3 C max
Molecular weight
174.18
Notes
Used in oilfield chemicals, metal working, textile dye manufacturing, chemical intermediates, and as a polymerization catalyst.
Available in 65% aq. solution.
Class
Industry
Functions
Phenolsulfonic Acid
Product Description
Product
Phenolsulfonic Acid
CAS
98-67-9
Formula
C6H6O4S
Synonym
4-hydroxybenzenesulfonic acid; 4-Phenolsulfonic Acid Salt; Benzenesulfonic acid, 4-hydroxy-; PSA65; p-Sulfophenol
Typical Product Specifications
Iron
50 ppm max
Sulfones
1.0% max
Sulfuric Acid
2.8% max
Appearence
clear to brown transparent liquid
Freezing Point
3 to 6 C
Vapor Density
>1.0
Evaporation Rate
<1
Water solubility
Miscible at 25C
Density
1.32 to 1.36 g/ml at 20C
pH
<1.0
Boiling Point
270 to 271 C Decomposes
Flash Point
>198F
Assay
65 to 67%
Refractive Index
1.489 (20) n (C/D)
Free Phenol
1.0% max
Freezing Point
3 C max
Molecular weight
174.18
Notes
Used in oilfield chemicals, metal working, textile dye manufacturing, chemical intermediates, and as a polymerization catalyst.
Available in 65% aq. solution.
Class
Industry
Functions
