Caffeine Anhydrous
Product Description
| Product | Caffeine Anhydrous |
| CAS | 58-08-2 |
| Formula | C8H10N4O2 |
| Synonym | 1,3,7-Trimethylxanthine, 1H-Purine-2,6-dione, 3,7-dihydro-1,3,7-trimethyl- |
Typical Product Specifications
| Density | 1.23 |
| Slightly Soluble | in water, alcohol, ether |
| Freely Soluble | in chloroform |
| Heavy Metals | <= 10 ppm |
| Chromatographic Purity | <= 0.1% |
| Organic Volatile Impurities | Meets the requirements |
| Identification | Positive Reaction |
| Other Alkaloids | No precipitate is formed |
| Appearance of Solution | Clear and Colorless |
| Loss on Drying | <= 0.5% |
| Sulphated Ash | <= 0.1% |
| Readily Carbonizable Substances | No more color than matching fluid D |
| Sulfate | <= 500 ppm |
| Acidity | 10 ml of solution S consumes 0.01 mol/l NaOH < 0.2 ml |
| Assay | 98.5 - 101.5% |
| Melting Point | 234° ~ 239°C |
| pH | neutral |
| Odor | wh. fleecy mass, powd. or need., odorless, bitter taste |
| Molecular weight | 194.22 |
| Class | Vitamins - Nutritional Ingredients - Amino Acids |
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