Theophylline Anhydrous, USP
Product Description
| Product | Theophylline Anhydrous, USP |
| CAS | 58-55-9 |
| Formula | C7H8N4O2 |
| Synonym | 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl mo, 1H-Purine-2,6-dione, 3,9-dihydro-1,3-dimethyl-, 1H-Purine-2,6-dione,3,7-dihydro-1,3-dimethyl- |
Typical Product Specifications
| Slightly Soluble | in ether |
| Sensoric | White Crystaline Powder |
| Melting Range | 270 °C - 274 °C |
| Appearance of Solution | Clear, colorless |
| Related Substances | NMT 0.5% |
| Heavy Metals; USP <231> | NMT 20 ppm |
| Loss on Drying | NMT 0.5% |
| Residue on ignition; USP <281> | NMT 0.15 % |
| Assay | 97.0% - 102.0 % |
| Melting Point | 268 c |
| Odor | odorless |
| Molecular weight | 180.17 |
| Solubility | hot water, alkali hydroxides, ammonia, dil. hcl, hno3 |
| Notes | Use: SKIN CONDITIONING, TONIC |
| Class | Specialty Chemicals |
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