Caronic Anhydride (CAS 67911-21-1) User Guide
Table of Contents
1. Product Overview
Caronic Anhydride (CAS 67911-21-1) is a high-purity chemical compound supplied in powder or crystalline form. Key specifications include:
- Chemical Name: Caronic Anhydride
- CAS Number: 67911-21-1
- Molecular Formula: C₈H₁₀O₃
- Purity: ≥99%
- Storage: Keep in a cool, dry place away from light and moisture.
2. Key Applications
Caronic Anhydride is widely used in:
- Organic Synthesis: As a versatile intermediate for esters, polymers, and specialty chemicals.
- Pharmaceuticals: In the production of APIs and drug formulations.
- Material Science: For synthesizing heat-resistant polymers and coatings.
3. Usage Instructions
- Safety Precautions: Wear PPE (gloves, goggles) and work in a well-ventilated area.
- Solubility: Soluble in polar solvents like acetone or DMSO; test compatibility before use.
- Reaction Conditions: Typical reactions occur at 60-80°C under inert gas (e.g., nitrogen).
4. Detailed Use Cases
Case 1: Pharmaceutical Intermediate Synthesis
Step-by-Step:
- Dissolve 5g Caronic Anhydride in 50ml acetone.
- Add 3g amine derivative dropwise at 70°C for 2 hours.
- Isolate the product via filtration (yield: 85-90%).
Case 2: Polymer Manufacturing
Process: React with diols at 80°C under nitrogen to create high-strength polyesters for automotive coatings.