
Chemical Formula: C6H6SO4
CAS Number: 98-67-9
IUPAC Name: 4-Hydroxybenzenesulfonic acid
Physical and Chemical Properties:
- Appearance: White to slightly yellow crystalline powder
- Molecular Weight: 174.17 g/mol
- Solubility: Highly soluble in water
- Melting Point: 83-85°C
- pH: Strongly acidic in aqueous solution
Industrial Applications:
- Chemical Synthesis
- Used as an intermediate in the production of dyes and pigments
- Manufacturing of pharmaceuticals
- Production of various chemical compounds
- Industrial Processes
- Metal surface treatment and cleaning
- Leather tanning industry
- Paper manufacturing
- Textile processing
- Laboratory Uses
- Analytical reagent
- Chemical indicator
- Research purposes
Safety and Handling:
- Corrosive substance
- Causes severe skin burns and eye damage
- Requires proper personal protective equipment (PPE)
- Should be stored in a cool, dry place
- Avoid contact with strong oxidizing agents
Environmental Considerations:
- Biodegradable under proper conditions
- Should be disposed of according to local regulations
- Avoid release into the environment
Transport and Storage:
- UN Number: 2586
- Hazard Class: 8 (Corrosive substances)
- Store in tightly sealed containers
- Keep away from incompatible materials
When handling or working with Phenolsulfonic Acid, it’s essential to follow proper safety protocols and refer to the material safety data sheet (MSDS) for detailed safety information.

About Taihua
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