4-Sulfo-1,8-naphthalic anhydride potassium salt (CAS 71501-16-1)
Table of Contents
Technical Specifications & Comparative Analysis
| Parameter | Specification | 1,8-Naphthalic Anhydride (CAS 81-84-5) |
|---|---|---|
| Molecular Formula | C12H5KO6S | C12H6O3 |
| Molecular Weight | 316.33 g/mol | 198.17 g/mol |
| Sulfonation | 4-position sulfonic group | N/A |
| Thermal Stability | Decomposes >300°C | Melting Point 269°C |
Industrial Applications
- Advanced organic synthesis intermediates for dyes/pigments
- Functional monomer for sulfonated polymers
- Key component in fluorescent whitening agents
- Coordination chemistry applications
Operational Guidelines
- Storage: Maintain in sealed containers at <25°C
- Handling: Use PPE including chemical goggles
- Solubility: 12g/100ml in deionized water (20°C)
- Incompatibilities: Avoid strong oxidizers
Implementation Case Studies
Case 1: Specialty Chemical Manufacturer
A Jiangsu-based chemical company achieved 18% yield improvement in sulfonated dye intermediates production through optimized reaction conditions using this compound.
Case 2: Polymer Research Institute
Researchers developed sulfonated polyimide membranes with 40% enhanced proton conductivity using this anhydride derivative as functional monomer.
Supplier Evaluation & Procurement Strategy
| Supplier | Packaging | Minimum Order |
|---|---|---|
| Wuhan JXYB Bio-Tech | 25kg fiber drums | 100kg |
| Specialty Chemical Co., Ltd | 1kg glass bottles | 5kg |
Procurement Checklist:
- Request current COA with HPLC purity analysis
- Confirm sulfonic acid content ≥98.5%
- Verify potassium content 11.8-12.2%
Technical Consultation & Ordering
Email: info@vivalr.com
Tel: (86) 15866781826
Request: Product specifications sheet
Lead time: Typically 2-4 weeks
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