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4-Hydroxybenzenesulfonic Acid CAS No. 98-67-9

Product Name4-Hydroxybenzenesulfonic AcidMultiple Names4-Hydroxybenzenesulfonic Acid;Phenol-4-Sulfon

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Content

For resin curing, it is the most important additive in the acid tin plating process, and also has the function of acid resin foaming, and is used as the curing agent for casting resin at room temperature. Advantage of 4-Hydroxybenzenesulfonic Acid CAS No. 98-67-9 Soluble in water, hot alcohol and glycerin An intermediate that is very important in the pharmaceutical industry Stable, combustible, incompatible with strong oxidizing agents.

Namephenol-4-sulfonic acid
SynonymsARADUR 5003-1 BD
phenol sulphonate
Phenolsulfuric Acid
4-phenolsulfonicacid
4-Phenolsulfonic acid
phenol-4-sulfonic acid
phenol-p-sulphonic acid
4-hydroxyphenylsulfonicacid
4-hydroxy-benzenesulfonicaci
Phenol-4-sulfonicacidsolutio
4-Hydroxyphenylsulfonic acid
p-Phenolsulfonic acid hydrate
4-hydroxybenzenesulfonic acid
4-hydroxy-benzenesulfonicacid
p-Hydroxybenzenesulfonic acid
4-hydroxybenzenesulphonic acid
p-hydoroxybenzenesulfonic acid
Benzenesulfonicacid,4-hydroxy-
Benzenesulfonic acid, p-hydroxy-
4-(4-hydroxyphenyl)azobenzenesulfonic acid
CAS98-67-9
EINECS202-691-6
InChI1S/C6H6O4S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4,7H,(H,8,9,10)
InChIKeyFEPBITJSIHRMRT-UHFFFAOYSA-N


Molecular FormulaC6H6O4S
Molar Mass174.17
Density1.337g/mLat 25°C
Melting Point52 °C
Boling Point275.14°C (rough estimate)
Water SolubilitySoluble in water.
Vapor Presure69.8Pa at 20℃
AppearanceLiquid
Specific Gravity1.337
ColorWhite to Light yellow to Light red
Merck14,7246
BRN1869034
pKa9.11(at 25℃)
StabilityStable. Combustible. Incompatible with strong oxidizing agents.
Refractive Indexn20/D 1.489

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