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ALLANTOIN |
| Other Chemical Names | 5-Ureidohydantion; Glyoxldiureide 2, 5 - Dioxo - 4 imidzolidinyle - urea |
| Formula | C4H6N4O3 |
| Mol. Wt. | 158.12 |
| CAS No. | 97-59-6 |
| Elincs/Einecs No. | 202-592-8 |
The U.S. Food and Drug Administration (FDA) has classified Allantoin as a Category I (safe and effective) active ingredient skin protestant.
The FDA's Tentative Final Monograph on skin protestant drug products for Over-The-Counter (OTC) human use was published in the Federal Register (Volume 48, No. 32, pp. 6820-33 and Volume 55, No. 11, pp. 25240-81). Based on the wide use and clinical acceptance of Allantoin, as well as published reports in the literature, the FDA has approved the following statements for non-prescription, drug products containing Allantoin at 0.5% to 2.0%.
1. For
the temporary protection of minor cuts, scrapes, burns and sunburn.
2. Helps prevent and temporarily protects chafed, chapped,
cracked, or wind-burned skin and lips.
3. Relieves dryness and softens cold sores and fever blisters.
4. Helps treat and prevent diaper rash. Protects chafed skin/minor
skin irritation due to/associated with diaper
rash and helps protect from/seal out wetness
SPECIFICATIONS
| APPEARANCE | white crystalline powder |
| ASSAY | 99% MINIMUM |
| MELTING POINT. | 255o C min |
| PH (0.5% Aq. Soul) | 4.5-6.0 |
| Particle Size | 95% (75 um Sieve) |
| Solubility | Slightly in water Ethanol, mineral oils, Glycols |
| MOISTURE | 0.10% maximum |
| CHLORIDE | 20ppm maximum |
| HEAVY METALS | 10 ppm maximum |
| Pb | 5 ppm maximum |
| SULPHATED ASH | 0.1% maximum |
| UREA | 0.5% maximum |
| GLYOXYLLIC ACID | 0.5% maximum |
| MICROORGANISM | Nil on packing |