4-Hydroxybenzenesulfonic acid cas 98-67-9
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Description
4-Hydroxybenzenesulfonic acid
4-Hydroxybenzenesulfonic acid Details
Product Name: 4-Hydroxybenzenesulfonic acid
CAS No.: 98-67-9
Molecular Formula: C6H6O4S
Molecular Weight: 174.17
4-Hydroxybenzenesulfonic acid Typical Properties
| Test item | Specification |
| Appearance | Brown-red transparent liquid |
| Assay | ≥65.00％ |
| Free acid | ≤3.0% |
| Free phenol | ≤1.2% |
| Fe | ≤100ppm |
| Sulfur dioxide | ≤100ppm |
| Density(20℃） | 1.32-1.36 |
4-Hydroxybenzenesulfonic acid Storage
Keep container tightly closed in a dry and well-ventilated place. Store in cool place.
4-Hydroxybenzenesulfonic acid Packaging
1.5MT/IBC drum
4-Hydroxybenzenesulfonic acid Application:
Used as the most important additive in acid tin plating process, it also has the function of acid resin foaming.
Used as curing agent at room temperature for casting resin.