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98-67-9
futurechemical
98-67-9
Product Description
Product name:4-Hydroxybenzenesulfonic acid
CAS：98-67-9
MF：C6H6O4S
MW：174.17
EINECS:202-691-6
Use:
1. It is the most important additive in acidic tin plating process
2. Used as a curing agent for casting resin at room temperature.
3. It also has the foaming effect of acidic resin
Specifications :
| 4-Hydroxybenzenesulfonic acid Basic information | |
| Product Name: | 4-Hydroxybenzenesulfonic acid |
| CAS: | 98-67-9 |
| MF: | C6H6O4S |
| MW: | 174.17 |
| EINECS: | 202-691-6 |
| Mol File: | 98-67-9.mol |
| 4-Hydroxybenzenesulfonic acid Chemical Properties | |
| Melting point | 52 °C |
| Boiling point | 275.14°C (rough estimate) |
| density | 1.337 g/mL at 25 °C |
| refractive index | n20/D 1.489 |
| pka | 9.11(at 25℃) |
| form | Liquid |
| Specific Gravity | 1.337 |
| Water Solubility | Soluble in water. |
| Merck | 14,7246 |
| BRN | 1869034 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | FEPBITJSIHRMRT-UHFFFAOYSA-N |
| CAS DataBase Reference | 98-67-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenesulfonic acid, 4-hydroxy-(98-67-9) |
| EPA Substance Registry System | p-Phenolsulfonic acid (98-67-9) |
COA
Items | Specification |
Appearance | Red brown transparent liquid |
Free ( H2SO4), % | ≤3.0 |
SO2, ppm | ≤60 |
Fe, ppm | ≤100 |
Density(20℃), g/cm3 | 1.32-1.37 |
Free phenol(C6H6O), % | ≤0.8 |
Assay, % | ≥65 |
Product Description
Product name:4-Hydroxybenzenesulfonic acid
CAS：98-67-9
MF：C6H6O4S
MW：174.17
EINECS:202-691-6
Use:
1. It is the most important additive in acidic tin plating process
2. Used as a curing agent for casting resin at room temperature.
3. It also has the foaming effect of acidic resin
Specifications :
| 4-Hydroxybenzenesulfonic acid Basic information | |
| Product Name: | 4-Hydroxybenzenesulfonic acid |
| CAS: | 98-67-9 |
| MF: | C6H6O4S |
| MW: | 174.17 |
| EINECS: | 202-691-6 |
| Mol File: | 98-67-9.mol |
| 4-Hydroxybenzenesulfonic acid Chemical Properties | |
| Melting point | 52 °C |
| Boiling point | 275.14°C (rough estimate) |
| density | 1.337 g/mL at 25 °C |
| refractive index | n20/D 1.489 |
| pka | 9.11(at 25℃) |
| form | Liquid |
| Specific Gravity | 1.337 |
| Water Solubility | Soluble in water. |
| Merck | 14,7246 |
| BRN | 1869034 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | FEPBITJSIHRMRT-UHFFFAOYSA-N |
| CAS DataBase Reference | 98-67-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzenesulfonic acid, 4-hydroxy-(98-67-9) |
| EPA Substance Registry System | p-Phenolsulfonic acid (98-67-9) |
COA
Items | Specification |
Appearance | Red brown transparent liquid |
Free ( H2SO4), % | ≤3.0 |
SO2, ppm | ≤60 |
Fe, ppm | ≤100 |
Density(20℃), g/cm3 | 1.32-1.37 |
Free phenol(C6H6O), % | ≤0.8 |
Assay, % | ≥65 |
