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.

4-Hydroxybenzenesulfonic acid cas 98-67-9