P-Toluenesulfonic Acid Monohydrate (CAS 6192-52-5): Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
P-Toluenesulfonic Acid Monohydrate (PTSA, CAS 6192-52-5) is a white crystalline solid widely used as an acid catalyst in organic synthesis. Key parameters include:
| Parameter | PTSA Monohydrate | Alternatives (e.g., H₂SO₄) |
|---|---|---|
| Molecular Weight | 190.22 g/mol | 98.08 g/mol |
| Acidity (pKa) | -2.8 | -3.0 |
| Solubility | Highly soluble in water, ethanol | Limited in organic solvents |
| Safety | Non-oxidizing, lower corrosion | Highly corrosive |
2. Key Applications & Use Cases
- Esterification & Transesterification: Catalyzes production of biodiesel, plasticizers, and fragrances.
- Polymerization: Used in phenolic resins and polyesters.
- Pharmaceutical Intermediates: Synthesizes APIs like ibuprofen and naproxen.
- Dye Manufacturing: Accelerates sulfonation reactions.
3. Industry-Specific Case Studies
Case 1: High-Yield Biodiesel Production
A biofuel company achieved 98% conversion efficiency using PTSA at 70°C, reducing reaction time by 40% compared to H₂SO₄.
Case 2: Pharmaceutical Synthesis Optimization
PTSA enabled a drug manufacturer to reduce byproduct formation by 22% in antirheumatic drug synthesis.
4. Client Success Stories
Client A: Chemtex Speciality Ltd.
Improved resin curing time by 35% in adhesive production through precise PTSA dosing (0.5-1.2 wt%).
Client B: Lanxess AG
Reduced wastewater acidity by 60% by switching to PTSA in dye intermediate synthesis.
5. Request a Quote or Technical Support
Email: info@vivalr.com
Phone: (86) 15866781826
Our experts will provide:
- Customized dosage recommendations
- Safety handling protocols
- Bulk pricing (25kg drums to ton-scale)
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