Clarke Earley, Ph.D.
Department of Chemistry
Kent State University Stark Campus
North Canton, OH 44720
| % trans-cinnamic acid | % Urea | Melting Point Range |
| 0% | 100% | 131-133 |
| 5% | 95% | 127-131 |
| 10% | 90% | 120-126 |
| 15% | 85% | 126-128 |
| 20% | 80% | 99-113 |
| 25% | 75% | 115-129 |
| 30% | 70% | 119-129 |
| 50% | 50% | 97-126 |
| 75% | 25% | 98-126 |
| 80% | 20% | 97-123 |
| 85% | 15% | 116-131 |
| 90% | 10% | 97-121 |
| 95% | 5% | 100-124 |
| 100% | 0% | 132-133 |