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Phenol-4-sulfonic Acid
Other Name: p-Hydroxybenzenesulfonic Acid
Formula:C6H6O4S
F.W.: 174.17
CAS No.:98-67-9
EINECS No.202-691-6
UN No.1803
Class 8
PG II
Product details
Product name:  p-Hydroxybenzenesulfonic acid(4-Phenolsulfonic Acid)
Alias:

 4-Phenolsulfonic Acid

Molecular formula: C6H6O4S·2H2O
Molecular weight: 210.17
Structural formula: p-Hydroxybenzenesulfonic acid(Cas no:98-67-9)
Properties: light brown red solid
Quality index:

Index Item

Index

Appearance

light brown red solid

Assay (C6H6O4S·2H2O )%≥

98

Chloride (as Cl) %≤

0.2

Free sulfuric acid (as H2SO4) %≤

3.0

Fe %≤

0.01

Heavy metals (as Pb) %≤

0.005

Residue on ignition %≤

0.2

Uses: widely used in printing and dyeing, synthetic plastics, oil exploitation and pharmaceutical industry.
Packing&storage: double-layer plastic bag lined cardboard drum, Net wt 25KG/drum or 60Kg/drum. Sealed, kept in dark place. Common chemicals
 
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