Product Name4-Hydroxybenzenesulfonic AcidMultiple Names4-Hydroxybenzenesulfonic Acid;Phenol-4-Sulfon
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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.
| Name | phenol-4-sulfonic acid |
| Synonyms | ARADUR 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 |
| CAS | 98-67-9 |
| EINECS | 202-691-6 |
| InChI | 1S/C6H6O4S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4,7H,(H,8,9,10) |
| InChIKey | FEPBITJSIHRMRT-UHFFFAOYSA-N |
| Molecular Formula | C6H6O4S |
| Molarmassa | 174.17 |
| Täthet | 1.337g/mLat 25°C |
| Melting Point | 52 °C |
| Boling Point | 275.14°C (rough estimate) |
| Vattenlöslighet | Soluble in water. |
| Vapor Presure | 69.8Pa at 20℃ |
| Utseende | Liquid |
| Specific Gravity | 1.337 |
| Färg | White to Light yellow to Light red |
| Merck | 14,7246 |
| BRN | 1869034 |
| pKa | 9.11(at 25℃) |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | n20/D 1.489 |
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