Comprehensive Guide to Tobias Acid (CAS 81-16-3)
Table of Contents
- 1. Product Parameters & Comparison
- 2. Key Applications
- 3. Usage Guidelines
- 4. Industry Case Studies
- 5. Request a Quote/Sample
1. Product Parameters & Comparison
| Parameter | Tobias Acid (CAS 81-16-3) | Similar Naphthalene Sulfonates |
|---|---|---|
| Chemical Formula | C10H7NaO4S | Varies by derivative |
| Molecular Weight | 262.21 g/mol | 250-280 g/mol |
| Appearance | White to off-white crystalline powder | Similar color range |
| Solubility | Highly soluble in water (>500 g/L at 20°C) | 200-400 g/L typical |
| Purity | ≥98% | 90-98% |
2. Key Applications
2.1 Dye & Pigment Manufacturing
Acts as critical intermediate for acid dyes, direct dyes, and reactive dyes. Enhances color fastness in textiles.
2.2 Pharmaceutical Synthesis
Used in production of sulfa drugs and anti-inflammatory agents due to stable sulfonic group.
2.3 Chemical Synthesis
Catalyst in Friedel-Crafts reactions and surfactant precursor in detergent formulations.
3. Usage Guidelines
3.1 Storage Conditions
Store in airtight containers at 15-25°C, ≤60% humidity. Shelf life: 24 months.
3.2 Safety Protocols
Wear PPE (gloves, goggles) during handling. Avoid inhalation and direct skin contact.
4. Industry Case Studies
4.1 Textile Dye Manufacturer (India)
| Challenge | Fading colors in cotton fabrics during washing |
|---|---|
| Solution | 0.8% Tobias Acid in dye formulation |
| Result | 30% improvement in wash-fastness ratings |
4.2 Pharma Intermediate Supplier (Germany)
| Challenge | Low yield in sulfamethoxazole synthesis |
|---|---|
| Solution | Tobias Acid as sulfonation agent |
| Result | Batch yield increased from 72% to 89% |
5. Request a Quote/Sample
Contact our technical team for:
- Custom purity specifications (98-99.9%)
- Bulk pricing (25kg drums to ISO tank quantities)
- Regulatory documentation (REACH, SDS)
Email: info@vivalr.com
Tel: (86) 15866781826
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